Investment Risks |
Oct. 28, 2026 |
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| GraniteShares 2x Long AAL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long AAL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the air travel sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock may be significantly affected by changes in fuel prices, which may be very volatile, the imposition of tariffs, and/or changes in labor relations and insurance costs. The Underlying Stock is highly dependent on aircraft or related equipment from a small number of suppliers, and consequently, issues affecting the availability, reliability, safety, or longevity of such aircraft or equipment. The Underlying Stock has a high level of debt and other obligations which may limit its ability to fund general corporate requirements and obtain additional financing, may limit its flexibility in responding to competitive developments and may cause its business to be vulnerable to adverse economic and industry conditions. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long AAL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 49.27%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 58.73% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -7.32%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long AAL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 150% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long AAL Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AAL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long AAL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long AAL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long AAL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long AAL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long AAL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long AAL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long AAL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long AAL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long AAL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long AAL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long AAL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long AAL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long AAL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long AAL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long AAL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long AAL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long AAL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short AAL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short AAL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the air travel sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock may be significantly affected by changes in fuel prices, which may be very volatile, the imposition of tariffs, and/or changes in labor relations and insurance costs. The Underlying Stock is highly dependent on aircraft or related equipment from a small number of suppliers, and consequently, issues affecting the availability, reliability, safety, or longevity of such aircraft or equipment. The Underlying Stock has a high level of debt and other obligations which may limit its ability to fund general corporate requirements and obtain additional financing, may limit its flexibility in responding to competitive developments and may cause its business to be vulnerable to adverse economic and industry conditions. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short AAL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 49.27%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 58.73% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -7.32%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short AAL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short AAL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short AAL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short AAL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short AAL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short AAL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short AAL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short AAL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short AAL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short AAL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short AAL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short AAL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short AAL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short AAL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short AAL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short AAL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short AAL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short AAL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short AAL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short AAL Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short AAL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short AAL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the air travel sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock may be significantly affected by changes in fuel prices, which may be very volatile, the imposition of tariffs, and/or changes in labor relations and insurance costs. The Underlying Stock is highly dependent on aircraft or related equipment from a small number of suppliers, and consequently, issues affecting the availability, reliability, safety, or longevity of such aircraft or equipment. The Underlying Stock has a high level of debt and other obligations which may limit its ability to fund general corporate requirements and obtain additional financing, may limit its flexibility in responding to competitive developments and may cause its business to be vulnerable to adverse economic and industry conditions. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short AAL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 49.27%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 58.73% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -7.32%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short AAL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short AAL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short AAL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short AAL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short AAL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short AAL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short AAL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short AAL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short AAL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short AAL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short AAL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short AAL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short AAL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short AAL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short AAL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short AAL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short AAL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short AAL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short AAL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short AAL Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AAPL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long AAPL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for Apple’s products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long AAPL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to track indices that replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 28.48%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 36.48% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 16.33%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long AAPL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long AAPL Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AAPL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long AAPL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long AAPL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long AAPL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long AAPL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long AAPL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long AAPL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long AAPL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long AAPL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long AAPL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long AAPL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long AAPL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long AAPL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long AAPL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long AAPL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long AAPL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long AAPL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long AAPL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long AAPL Daily ETF | Computer Technology Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Computer Technology Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 1x Short AAPL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short AAPL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for Apple’s products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short AAPL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 28.48%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 36.48% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 16.33%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short AAPL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short AAPL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short AAPL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short AAPL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short AAPL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short AAPL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short AAPL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short AAPL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short AAPL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short AAPL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short AAPL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short AAPL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short AAPL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short AAPL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short AAPL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short AAPL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short AAPL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short AAPL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short AAPL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short AAPL Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short AAPL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short AAPL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for Apple’s products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short AAPL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 28.48%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 36.48% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 16.33%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short AAPL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short AAPL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short AAPL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short AAPL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short AAPL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short AAPL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short AAPL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short AAPL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short AAPL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short AAPL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short AAPL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short AAPL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short AAPL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short AAPL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short AAPL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short AAPL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short AAPL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short AAPL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short AAPL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short AAPL Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short AAPL Daily ETF | Computer Technology Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Computer Technology Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Long ABNB Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long ABNB Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the online home-sharing and hospitality marketplace industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including but are not limited to downturn in economic conditions that can result in decreased demand for leisure and business travel. Due to the discretionary nature of business and leisure travel spending, travel company revenues are heavily influenced by the condition of the U.S. and foreign economies. Travel companies may also be significantly affected by changes in labor relations and insurance costs. Lodging industry companies, in particular, are subject to various risks that may cause significant losses, which includes risks related to uncertainty in travel (due to global, regional or local events), guest safety, security, and privacy, changing consumer demands, consumer perception of risk (for example, due to terrorist attacks, pandemics, and political or social violence), and changing or increased regulations. Beginning in the first quarter of 2020, financial markets in the United States and around the world experienced extreme and in many cases unprecedented volatility and severe losses due to the global pandemic caused by COVID-19, a novel coronavirus. The pandemic resulted in a wide range of social and economic disruptions, including closed borders and reduced or prohibited domestic or international travel. Some sectors of the economy and individual issuers, including travel companies, experienced particularly large losses, which may continue for an extended period of time or reoccur in the future to a similar or greater extent.
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| GraniteShares 2x Long ABNB Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 45.04%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 63.68% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 3.19%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long ABNB Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long ABNB Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long ABNB Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long ABNB Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long ABNB Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long ABNB Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long ABNB Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long ABNB Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long ABNB Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long ABNB Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long ABNB Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long ABNB Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long ABNB Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long ABNB Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long ABNB Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long ABNB Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long ABNB Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long ABNB Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long ABNB Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long ABNB Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long ADBE Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long ADBE Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Long ADBE Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 38.32%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 48.00% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -15.15%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long ADBE Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long ADBE Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long ADBE Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long ADBE Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long ADBE Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long ADBE Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long ADBE Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long ADBE Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long ADBE Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long ADBE Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long ADBE Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long ADBE Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long ADBE Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long ADBE Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long ADBE Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long ADBE Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long ADBE Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long ADBE Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long ADBE Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long ADBE Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short ADBE Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short ADBE Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Short ADBE Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 38.32%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 48.00% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -15.15%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short ADBE Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short ADBE Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short ADBE Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short ADBE Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short ADBE Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short ADBE Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short ADBE Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short ADBE Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short ADBE Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short ADBE Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short ADBE Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short ADBE Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short ADBE Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short ADBE Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short ADBE Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short ADBE Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short ADBE Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short ADBE Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short ADBE Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short ADBE Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AMC Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long AMC Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the entertainment industry. The entertainment industry is highly competitive and relies on consumer spending and the availability of disposable income for success. The prices of the securities of companies in the entertainment industry may fluctuate widely due to competitive pressures, heavy expenses incurred for research and development of products, problems related to bringing products to market, consumer preferences and rapid obsolescence of products. Legislative or regulatory changes and increased government supervision also may affect companies in the entertainment industry. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long AMC Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 102.00%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 146.24% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -60.39%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long AMC Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by the Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long AMC Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AMC Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long AMC Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long AMC Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long AMC Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long AMC Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long AMC Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long AMC Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long AMC Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long AMC Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long AMC Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long AMC Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long AMC Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long AMC Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long AMC Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long AMC Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long AMC Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S.
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| GraniteShares 2x Long AMC Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long AMC Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long AMD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long AMD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s significant customer losses, its inability to develop and implement new technologies, its reliance on third-party distributors and platforms, cybersecurity attacks, its inability to protect its intellectual property rights and global laws and regulations affecting privacy, data protection and technology protections. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long AMD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to track indices that replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 58.02%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 73.05% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 33.75%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long AMD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long AMD Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AMD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long AMD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long AMD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long AMD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long AMD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long AMD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long AMD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long AMD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long AMD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long AMD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long AMD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long AMD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long AMD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long AMD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long AMD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long AMD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long AMD Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long AMD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long AMD Daily ETF | Semiconductor Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Semi-Conductor Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The risks of investments in the semiconductor sector industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole.
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| GraniteShares 2x Short AMD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short AMD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s significant customer losses, its inability to develop and implement new technologies, its reliance on third-party distributors and platforms, cybersecurity attacks, its inability to protect its intellectual property rights and global laws and regulations affecting privacy, data protection and technology protections. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short AMD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 58.02%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 73.05% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 33.75%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short AMD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short AMD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short AMD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short AMD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short AMD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short AMD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short AMD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short AMD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short AMD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short AMD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short AMD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short AMD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short AMD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2x the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short AMD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short AMD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short AMD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short AMD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short AMD Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short AMD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short AMD Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AMZN Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long AMZN Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to expand into new products, services or technologies, increased competition in the e-commerce industry, successfully operate its fulfillment and data centers, cybersecurity attacks, changes in supplier relationships, demand for certain consumer products, product liability issues, changes in tax liability and evolving government regulations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long AMZN Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 37.04%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 52.28% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.35%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long AMZN Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long AMZN Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AMZN Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long AMZN Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long AMZN Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long AMZN Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long AMZN Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long AMZN Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long AMZN Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long AMZN Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long AMZN Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long AMZN Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long AMZN Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long AMZN Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investments as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long AMZN Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long AMZN Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long AMZN Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long AMZN Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long AMZN Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long AMZN Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long AMZN Daily ETF | Online Business Services And Retail Company Risks [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | On-Line Business Services and Retail Company Risks: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the online retail company sector. Companies that operate in the online marketplace and retail segments are subject to fluctuating consumer demand. Unlike traditional brick and mortar retailers, online marketplaces and retailers must assume shipping costs or pass such costs to consumers. Consumer access to price information for the same or similar products may cause companies that operate in the online marketplace and retail segments to reduce profit margins in order to compete. Due to the nature of their business models, companies that operate in the online marketplace and retail segments may also be subject to heightened cyber security risk, including the risk of theft or damage to vital hardware, software and information systems. The loss or public dissemination of sensitive customer information or other proprietary data may negatively affect the financial performance of such companies to a greater extent than traditional brick and mortar retailers. As a result of such companies being web-based and the fact that they process, store, and transmit large amounts of data, including personal information, for their customers, failure to prevent or mitigate data loss or other security breaches, including breaches of vendors’ technology and systems, could expose companies that operate in the online marketplace and retail segments or their customers to a risk of loss or misuse of such information, adversely affect their operating results, result in litigation or potential liability, and otherwise harm their businesses.
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| GraniteShares 2x Long APP Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long APP Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long APP Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 79.64%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 95.60% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 33.24%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long APP Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long APP Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long APP Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long APP Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long APP Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long APP Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long APP Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long APP Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long APP Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long APP Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long APP Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long APP Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long APP Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long APP Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long APP Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long APP Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long APP Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long APP Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long APP Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long APP Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long ARM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long ARM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s significant customer losses, its inability to develop and implement new technologies, its reliance on third-party distributors and platforms, cybersecurity attacks, its inability to protect its intellectual property rights and global laws and regulations affecting privacy, data protection and technology protections. The semiconductor industry may also be affected by risks that affect the broader technology sector, including government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long ARM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from September 13, 2023 (the Underlying Stock’s IPO date) to August 31, 2026, was 79.31%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 93.70% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was 68.99%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long ARM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long ARM Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long ARM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long ARM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long ARM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long ARM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long ARM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long ARM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long ARM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long ARM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long ARM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long ARM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long ARM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long ARM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2x the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long ARM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long ARM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long ARM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long ARM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long ARM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long ARM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long ARM Daily ETF | U K Investing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | U.K. Investing Risk: the Underlying Stock will subject the Fund to regulatory, political, currency, security, and economic risks specific to the U.K. The U.K.’s economy relies heavily on the export of financial services to the U.S. and other European countries. A prolonged slowdown in the financial services sector may have a negative impact on the U.K.’s economy. In the past, the U.K. has been a target of terrorism. Acts of terrorism in the U.K. or against U.K. interests may cause uncertainty in the U.K.’s financial markets and adversely affect the performance of the issuers to which the Fund has exposure. Secessionist movements, such as the Catalan movement in Spain and the independence movement in Scotland, may have an adverse effect on the U.K. economy.
On January 31, 2020, the U.K. officially left the EU (Brexit), subject to a transitional period that ended December 31, 2020. The U.K. and EU have reached an agreement on the terms of their future trading relationship effective January 1, 2021, which principally relates to the trading of goods rather than services, including financial services. Further discussions are to be held between the U.K. and the EU in relation to matters not covered by the trade agreement, such as financial services. The Fund faces risks associated with the potential uncertainty and consequences that may follow Brexit, including with respect to volatility in exchange rates and interest rates. Brexit could adversely affect European or worldwide political, regulatory, economic or market conditions and could contribute to instability in global political institutions, regulatory agencies and financial markets. Brexit has also led to legal uncertainty and could lead to politically divergent national laws and regulations as a new relationship between the U.K. and EU is defined and the U.K. determines which EU laws to replace or replicate. Any of these effects of Brexit could adversely affect the Underlying Stock to which the Fund has exposure and any other assets that the Fund invests in. The political, economic and legal consequences of Brexit are not yet known. In the short term, financial markets may experience heightened volatility, particularly those in the U.K. and Europe, but possibly worldwide. The U.K. and Europe may be less stable than they have been in recent years, and investments in the U.K. and the EU may be difficult to value or subject to greater or more frequent volatility. In the longer term, there is likely to be a period of significant political, regulatory and commercial uncertainty as the U.K. continues to negotiate the terms of its future trading relationship with the EU.
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| GraniteShares 2x Long AVGO Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long AVGO Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the information technology and semi-conductor industries. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
The performance of the Underlying Stock, and consequently the Fund’s performance, is also subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole.
The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long AVGO Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 44.98%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 64.23% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 52.50%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long AVGO Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long AVGO Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long AVGO Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long AVGO Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long AVGO Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long AVGO Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long AVGO Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long AVGO Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long AVGO Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long AVGO Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long AVGO Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long AVGO Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long AVGO Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long AVGO Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long AVGO Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long AVGO Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long AVGO Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long AVGO Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long AVGO Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long AVGO Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short AVGO Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short AVGO Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the information technology and semi-conductor industries. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
The performance of the Underlying Stock, and consequently the Fund’s performance, is also subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole.
The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short AVGO Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 44.98%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 64.23% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 52.50%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short AVGO Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short AVGO Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short AVGO Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short AVGO Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short AVGO Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short AVGO Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short AVGO Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short AVGO Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short AVGO Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short AVGO Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short AVGO Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short AVGO Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short AVGO Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short AVGO Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short AVGO Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short AVGO Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short AVGO Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short AVGO Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short AVGO Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short AVGO Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long BABA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long BABA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by trends in commerce, and cloud computing, changes in the economic conditions in China and globally, international trade policies, the company’s investment transactions and changes in governmental regulations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long BABA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 52.40%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 77.32% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -6.91%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long BABA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to the Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of the Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and the Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long BABA Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long BABA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long BABA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long BABA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long BABA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long BABA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long BABA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long BABA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long BABA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long BABA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long BABA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long BABA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long BABA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long BABA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long BABA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long BABA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long BABA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long BABA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long BABA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long BABA Daily ETF | Online Business Services And Retail Company Risks [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | On-Line Business Services and Retail Company Risks: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the online retail company sector. Companies that operate in the online marketplace and retail segments are subject to fluctuating consumer demand. Unlike traditional brick and mortar retailers, online marketplaces and retailers must assume shipping costs or pass such costs to consumers. Consumer access to price information for the same or similar products may cause companies that operate in the online marketplace and retail segments to reduce profit margins in order to compete. Due to the nature of their business models, companies that operate in the online marketplace and retail segments may also be subject to heightened cyber security risk, including the risk of theft or damage to vital hardware, software and information systems. The loss or public dissemination of sensitive customer information or other proprietary data may negatively affect the financial performance of such companies to a greater extent than traditional brick and mortar retailers. As a result of such companies being web-based and the fact that they process, store, and transmit large amounts of data, including personal information, for their customers, failure to prevent or mitigate data loss or other security breaches, including breaches of vendors’ technology and systems, could expose companies that operate in the online marketplace and retail segments or their customers to a risk of loss or misuse of such information, adversely affect their operating results, result in litigation or potential liability, and otherwise harm their businesses.
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| GraniteShares 2x Long CCL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long CCL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer discretionary industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. Success depends heavily on disposable household income and consumer spending and may be strongly affected by social trends and marketing campaigns. Also, companies in the consumer discretionary industry may be subject to severe competition, which may have an adverse impact on a company’s profitability. Changes in demographics and consumer tastes also can affect the demand for, and success of, consumer discretionary products in the marketplace. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long CCL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 55.91%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 80.17% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.64%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long CCL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long CCL Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CCL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long CCL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long CCL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long CCL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long CCL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long CCL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long CCL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long CCL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long CCL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long CCL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long CCL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long CCL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long CCL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long CCL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long CCL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long CCL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long CCL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long CCL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short CCL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short CCL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer discretionary industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. Success depends heavily on disposable household income and consumer spending and may be strongly affected by social trends and marketing campaigns. Also, companies in the consumer discretionary industry may be subject to severe competition, which may have an adverse impact on a company’s profitability. Changes in demographics and consumer tastes also can affect the demand for, and success of, consumer discretionary products in the marketplace. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short CCL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 55.91%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 80.17% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.64%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short CCL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short CCL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short CCL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short CCL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short CCL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short CCL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short CCL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short CCL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short CCL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short CCL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short CCL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short CCL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short CCL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short CCL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short CCL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short CCL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short CCL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short CCL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short CCL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short CCL Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CEG Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long CEG Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the electric utility industry. Companies in the electric utility industry are subject to many risks that can negatively impact their revenue and viability including, but are not limited to supply and demand, operating costs, government regulation, environmental factors, liabilities for environmental damage and general civil liabilities, and rate caps or rate changes. Although rate changes of a regulated utility usually fluctuate in approximate correlation with financing costs, due to political and regulatory factors rate changes ordinarily occur only following a delay after the changes in financing costs. This factor will tend to favorably affect a regulated utility company’s earnings and dividends in times of decreasing costs, but conversely, will tend to adversely affect earnings and dividends when costs are rising. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
The value of regulated utility equity securities may tend to have an inverse relationship to the movement of interest rates. Certain utility companies have experienced full or partial deregulation in recent years. These utility companies are frequently more similar to industrial companies in that they are subject to greater competition and have been permitted by regulators to diversify outside of their original geographic regions and their traditional lines of business. These opportunities may permit certain utility companies to earn more than their traditional regulated rates of return. Some companies, however, may be forced to defend their core business and may be less profitable. In addition, natural disasters, terrorist attacks, government intervention or other factors may render a utility company’s equipment unusable or obsolete and negatively impact profitability.
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| GraniteShares 2x Long CEG Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from January 19, 2022 (Underlying Stock’s spin-off from Exelon) to August 31, 2026, was 49.69%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 71.17% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was 51.45%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long CEG Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long CEG Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CEG Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long CEG Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long CEG Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long CEG Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long CEG Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long CEG Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long CEG Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long CEG Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long CEG Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long CEG Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long CEG Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long CEG Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long CEG Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long CEG Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long CEG Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long CEG Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long CEG Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long CEG Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long COIN Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long COIN Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the value of crypto assets, the volume of transactions on its platform, the overall development and growth of crypto assets, cyberattacks and security breaches affecting its platforms or third-party service providers, increased crypto platform competition and government regulations affecting the crypto industry. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long COIN Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 87.73%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 121.07% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -6.69%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long COIN Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long COIN Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long COIN Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long COIN Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long COIN Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long COIN Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long COIN Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long COIN Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long COIN Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long COIN Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long COIN Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long COIN Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long COIN Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long COIN Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long COIN Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long COIN Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long COIN Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long COIN Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long COIN Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long COIN Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long COIN Daily ETF | Digital Asset And Finance Services Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Digital Asset and Finance Services Company Risk: The performance of the Underlying Stock, and subsequently the Fund’s performance, is subject to the risks of the digital asset and finance company sectors. Such companies may be adversely impacted by government regulations, economic conditions and deterioration in credit markets. These companies typically face intense competition and could be negatively affected by new entrants into the market, especially those located in markets with lower production costs. Competitors in the digital payments space include financial institutions and well-established payment processing companies. In addition, many companies engaged in these businesses store sensitive consumer information and could be the target of cybersecurity attacks and other types of theft, which could have a negative impact on these companies. Online digital asset trading platforms currently operate under less regulatory scrutiny than traditional financial services companies and banks, but there is a significant risk that regulatory oversight could increase in the future. Higher levels of regulation could increase costs and adversely impact the current business models of some digital asset-related companies and could severely impact the viability of these companies. These companies could be negatively impacted by disruptions in service caused by hardware or software failure, or by interruptions or delays in service by third-party data center hosting facilities and maintenance providers.
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| GraniteShares 2x Short COIN Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short COIN Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and subsequently the Fund’s performance, is subject to the risks of the digital asset and finance company sectors. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the value of crypto assets, the volume of transactions on its platform, the overall development and growth of crypto assets, cyberattacks and security breaches affecting its platforms or third-party service providers, increased crypto platform competition and government regulations affecting the crypto industry. Higher levels of regulation could increase costs and adversely impact the current business models of the Underlying Stock and could severely impact its viability. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short COIN Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 87.73%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 121.07% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -6.69%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short COIN Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short COIN Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short COIN Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short COIN Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short COIN Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short COIN Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short COIN Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short COIN Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short COIN Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short COIN Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short COIN Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short COIN Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short COIN Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short COIN Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short COIN Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short COIN Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short COIN Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short COIN Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short COIN Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short COIN Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long COST Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long COST Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer staples industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including but are not limited to government regulation affecting its products which may negatively impact such companies’ performance. For instance, government regulations may affect the permissibility of using various food additives and production methods of companies that make food products, which could affect company profitability. Tobacco companies may be adversely affected by the adoption of proposed legislation and/or by litigation. Also, the success of food, beverage, household and personal product companies may be strongly affected by consumer interest, marketing campaigns and other factors affecting supply and demand, including performance of the overall domestic and global economy, interest rates, competition and consumer confidence and spending. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long COST Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 23.36%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 32.78% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 16.89%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long COST Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long COST Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long COST Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long COST Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long COST Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long COST Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long COST Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long COST Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long COST Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long COST Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long COST Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long COST Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long COST Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long COST Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long COST Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long COST Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long COST Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long COST Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long COST Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long COST Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long CRWD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long CRWD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Long CRWD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 52.85%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 67.44% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 27.90%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long CRWD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long CRWD Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CRWD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long CRWD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long CRWD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long CRWD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long CRWD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long CRWD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long CRWD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long CRWD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long CRWD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long CRWD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long CRWD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long CRWD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long CRWD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long CRWD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long CRWD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long CRWD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long CRWD Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long CRWD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short CRWD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short CRWD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Short CRWD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 52.85%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 67.44% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 27.90%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short CRWD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short CRWD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short CRWD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short CRWD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short CRWD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short CRWD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short CRWD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short CRWD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short CRWD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short CRWD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short CRWD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short CRWD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short CRWD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short CRWD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short CRWD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short CRWD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short CRWD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short CRWD Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short CRWD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short CRWD Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CRWV Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long CRWV Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the computer software industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the microprocessor market, reliance on third-party manufacturers, the company’s ability to new develop new products, losses of significant customers, changes in customer demand for its products, risks associated with defective products political, legal and economic risks affecting the company’s global operations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long CRWV Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from March 27, 2025 (the Underlying Stock’s IPO date) to August 31, 2026, was 114.95%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 121.32% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was 69.24%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long CRWV Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long CRWV Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CRWV Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long CRWV Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long CRWV Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long CRWV Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long CRWV Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long CRWV Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long CRWV Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long CRWV Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long CRWV Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long CRWV Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long CRWV Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long CRWV Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long CRWV Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long CRWV Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long CRWV Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long CRWV Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long CRWV Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long CRWV Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long CVNA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long CVNA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the automotive retail industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including but are not limited to high dependency on consumer demand, which can be influenced by various factors such as economic conditions, consumer confidence, fuel prices, and preferences for particular vehicle types. Economic downturns or decreases in consumer spending can lead to reduced vehicle sales, impacting the profitability of automotive retailers. Effective inventory management is essential to avoid excess holding costs, obsolescence, and missed sales opportunities. Additionally, the industry’s reliance on auto lending and financing means that changes in interest rates, lending standards, and credit availability can greatly influence consumer purchasing behavior. Regulatory compliance is another crucial aspect, as automotive retailers must adhere to various consumer protection, advertising, financing, and environmental standards, with non-compliance resulting in substantial fines, legal costs, and reputational damage.
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| GraniteShares 2x Long CVNA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 113.70%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 187.54% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 2.14%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long CVNA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long CVNA Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long CVNA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long CVNA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long CVNA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long CVNA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long CVNA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long CVNA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long CVNA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long CVNA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long CVNA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long CVNA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long CVNA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long CVNA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long CVNA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long CVNA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long CVNA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long CVNA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long CVNA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long CVNA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long DELL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long DELL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long DELL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 53.67%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 73.35% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 59.29%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long DELL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long DELL Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long DELL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long DELL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long DELL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long DELL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long DELL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long DELL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long DELL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long DELL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long DELL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long DELL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long DELL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long DELL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long DELL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long DELL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long DELL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long DELL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long DELL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long DELL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short DELL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short DELL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short DELL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 53.67%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 73.35% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 59.29%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short DELL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short DELL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short DELL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short DELL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short DELL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short DELL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short DELL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short DELL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short DELL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short DELL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short DELL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short DELL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short DELL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short DELL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short DELL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short DELL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short DELL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short DELL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short DELL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short DELL Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long DIS Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long DIS Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by changes in consumer preferences for entertainment offerings and products, its ability to generate revenue from its intellectual property rights, labor and employment disputes, the seasonality of certain of Disney’s businesses and changes in FCC, environmental, consumer safety and tax regulations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long DIS Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to track indices that replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 30.08%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 38.30% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -9.57%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long DIS Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long DIS Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long DIS Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long DIS Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long DIS Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long DIS Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long DIS Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long DIS Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long DIS Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long DIS Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long DIS Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long DIS Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long DIS Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long DIS Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruption. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long DIS Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long DIS Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long DIS Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long DIS Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long DIS Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long DIS Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long DIS Daily ETF | Amusement And Leisure Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Amusement and Leisure Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the amusement and leisure company sector. Companies engaged in the design, production, or distribution of goods or services for the leisure and entertainment industries (including hospitality industry companies such as airlines, hotels, restaurants and bars, cruise lines, casinos, and all other recreation and amusement businesses; as well as entertainment programming companies engaged in the production of motion pictures, music by recording artists, programming for radio and television, related post-production and movie theaters) may become obsolete quickly. Additionally, several factors can significantly affect the leisure and entertainment industries, including the performance of the overall economy, changing consumer tastes and discretionary income levels, intense competition, technological developments and government regulation.
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| GraniteShares 2x Long F Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long F Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by changes in consumer preferences affecting the automotive industry including electric vehicles, its reliance on third-party suppliers, vehicle defect issues, labor and employment issues, trade policies and tariffs, governmental investigations and litigations, and new or increased credit or consumer protection regulations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long F Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 39.93%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 51.56% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 7.71%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long F Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long F Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long F Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long F Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long F Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long F Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long F Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long F Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long F Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long F Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long F Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long F Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long F Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long F Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long F Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long F Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long F Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long F Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long F Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long F Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long F Daily ETF | Automotive Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Automotive Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The automotive sector industry can be highly cyclical, and companies in the industry may suffer periodic operating losses. Automotive companies can be significantly affected by labor relations and fluctuating component prices. Developments in automotive technologies (e.g., autonomous vehicle technologies) may require significant capital expenditures that may not generate profits for several years, if ever. Automotive companies may be significantly subject to government policies and regulations regarding imports and exports of automotive products. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. While most of the major automotive manufacturers are large companies, certain others may be non-diversified in both product line and customer base and may be more vulnerable to certain events that may negatively impact the automotive industry.
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| GraniteShares 2x Long FSLR Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long FSLR Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the solar technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including intense competition, short product lifecycles and potentially rapid product obsolescence. These companies may be significantly affected by fluctuations in energy prices and in the supply and demand of renewable energy, tax incentives, permitting application timelines, availability of transmission capacity, subsidies, and other governmental regulations and policies. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long FSLR Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 55.39%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 66.40% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 16.51%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long FSLR Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long FSLR Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long FSLR Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long FSLR Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long FSLR Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long FSLR Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long FSLR Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long FSLR Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long FSLR Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long FSLR Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long FSLR Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long FSLR Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long FSLR Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long FSLR Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long FSLR Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long FSLR Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long FSLR Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long FSLR Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long FSLR Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long FSLR Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long GLXY Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long GLXY Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the digital asset and financial services industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the value and trading volume of digital assets and cryptocurrencies, regulatory actions targeting cryptocurrency and blockchain businesses, the security of its digital asset custody and financial services platforms, competition from other digital asset firms and traditional financial institutions, and the overall development and adoption of blockchain technology. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long GLXY Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 95.54%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 119.40% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 6.13%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long GLXY Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long GLXY Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long GLXY Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long GLXY Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long GLXY Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long GLXY Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuating more than other types of investments.
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| GraniteShares 2x Long GLXY Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long GLXY Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long GLXY Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long GLXY Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long GLXY Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long GLXY Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long GLXY Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long GLXY Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long GLXY Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long GLXY Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long GLXY Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long GLXY Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long GLXY Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long GLXY Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long GLXY Daily ETF | Bitcoin Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Bitcoin Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks associated with bitcoin. Investing in bitcoin is exposed to significant risks that are not typically present in other investments. These risks include the uncertainty surrounding new technology, limited evaluation due to bitcoin’s short trading history, and the potential decline in adoption and value over the long term. The extreme volatility of bitcoin’s price is also a risk factor. Regulatory uncertainties, such as potential government interventions and conflicting regulations across jurisdictions, can impact the demand for bitcoin and restrict its usage. Bitcoin is not presently widely accepted as a medium of exchange, which may be due to a number of common impediments and/or disadvantages to adopting the Bitcoin Network as a payment network, including the slowness of transaction processing and finality, variability of transaction fees, and volatility of the price of bitcoin. Additionally, risks associated with the sale of newly mined bitcoin, bitcoin trading platforms, competition from alternative digital assets, mining operations, network modifications, and intellectual property claims pose further challenges to bitcoin-linked investments. The value of bitcoin has been, may continue to be, substantially dependent on speculation, such that trading and investing in these assets generally may not be based on fundamental analysis. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long GLXY Daily ETF | Bitcoin Halving [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Bitcoin Halving. While bitcoin prices have historically increased around halving events (a process designed to control the overall supply and reduce the risk of inflation in bitcoin, which uses a proof-of-work consensus algorithm and results in the mining reward being cut in half) there is no guarantee that the price change will be favorable or would compensate for the reduction in mining rewards. If a corresponding and proportionate increase in the price of Bitcoin does not follow future halving events, the revenue GLXY earns from its bitcoin mining operations would see a decrease, which could have a material adverse effect on GLXY’s results of operations and financial condition.
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| GraniteShares 2x Long GLXY Daily ETF | Hash Rate and Difficulty [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Hash Rate and Difficulty. As demand for bitcoin has increased, the global network hash rate (i.e., the aggregate amount of computing power devoted to supporting the bitcoin blockchain at a given time) has increased rapidly, and as greater adoption of bitcoin occurs, it is expected that demand for new bitcoin will likewise increase as more mining companies are drawn into the industry by this increased demand. Further, as a greater number of increasingly powerful miners have been deployed, the network difficulty for bitcoin has consequently also increased. A high difficulty means that more computing power will be required in order to solve a block and earn a new bitcoin reward, which, in turn, makes the bitcoin network more secure by limiting the possibility of one miner or mining pool gaining control of the network. Therefore, as new and existing miners deploy additional hash rate, the global network hash rate will continue to increase, meaning a miner’s share of the global network hash rate (and therefore its chance of earning bitcoin rewards) will decline if it fails to deploy additional hash rate at pace with the industry. If an effort to grow the hash rate, results in the inability to complete planned expansions on schedule and within anticipated cost estimates, deployment of newly purchased miners may be delayed, which could affect its competitiveness and results of operation, which could have a material adverse effect on the Underlying Stock’s financial condition and market price for its securities.
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| GraniteShares 2x Long GLXY Daily ETF | Blockchain Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Blockchain Risk: Blockchain companies may be adversely impacted by government regulations or economic conditions. Blockchain technology is new and its uses are in many cases untested or unclear. These companies may also have significant exposure to fluctuations in the spot prices of digital assets, particularly to the extent that demand for a company’s hardware or services may increase as the spot price of digital assets increases. Blockchain companies typically face intense competition and potentially rapid product obsolescence. In addition, many Blockchain companies store sensitive consumer information and could be the target of cybersecurity attacks and other types of theft, which could have a negative impact on these companies. Access to a given blockchain may require a specific cryptographic key (in effect a string of characters granting unique access to initiate transactions related to specific digital assets) or set of keys, the theft, loss, or destruction of which, either by accident or as a result of the efforts of a third party, could irrevocably impair a claim to the digital assets stored on that blockchain. Many Blockchain companies currently operate under less regulatory scrutiny than traditional financial services companies and banks, but there is significant risk that regulatory oversight could increase in the future. Higher levels of regulation could increase costs and adversely impact the current business models of some Blockchain companies. For example, restrictions imposed by foreign governments, including China, on the use and mining of digital assets, may adversely impact Blockchain Companies and in turn the Fund. These companies could be negatively impacted by disruptions in service caused by hardware or software failure, or by interruptions or delays in service by third-party data center hosting facilities and maintenance providers. Blockchain companies involved in digital assets may face slow adoption rates and be subject to higher levels of regulatory scrutiny in the future, which could severely impact the viability of these companies. Blockchain companies, especially smaller companies, tend to be more volatile than companies that do not rely heavily on technology. The customers and/or suppliers of Blockchain companies may be concentrated in a particular country, region or industry. Any adverse event affecting one of these countries, regions or industries could have a negative impact on Blockchain companies.
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| GraniteShares 2x Long GME Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long GME Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer discretionary industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. Success depends heavily on disposable household income and consumer spending and may be strongly affected by social trends and marketing campaigns. Also, companies in the consumer discretionary industry may be subject to severe competition, which may have an adverse impact on a company’s profitability. Changes in demographics and consumer tastes also can affect the demand for, and success of, consumer discretionary products in the marketplace. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long GME Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 95.31%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 154.99% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -19.16%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long GME Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by the Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long GME Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long GME Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long GME Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long GME Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long GME Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long GME Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long GME Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long GME Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long GME Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long GME Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long GME Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long GME Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long GME Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long GME Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long GME Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long GME Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long GME Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long GME Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long GME Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long GOOGL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND.
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long GOOGL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by changes in advertising revenues, increased competition and ability to retain users and customers, its ability to enforce the company’s intellectual property rights, manufacturing and supply chain risks, global market conditions, cyber-attacks and changes in regulatory oversight. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long GOOGL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to track indices that replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 32.65%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 40.64% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 18.71%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long GOOGL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long GOOGL Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long GOOGL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long GOOGL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long GOOGL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long GOOGL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long GOOGL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long GOOGL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long GOOGL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long GOOGL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long GOOGL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long GOOGL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long GOOGL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long GOOGL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long GOOGL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long GOOGL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long GOOGL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long GOOGL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long GOOGL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long GOOGL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long GOOGL Daily ETF | Social Media And Computer Programming Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Social Media and Computer Programming Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media and computer programming sector. Such companies provide social networking, file sharing, and other web-based media applications. The risks related to investing in such companies include disruption in service caused by hardware or software failure, interruptions or delays in service by third-party data center hosting facilities and maintenance providers, security breaches involving certain private, sensitive, proprietary and confidential information managed and transmitted by social media companies, and privacy concerns and laws, evolving Internet regulation and other foreign or domestic regulations that may limit or otherwise affect the operations of such companies. Additionally, the collection of data from consumers and other sources could face increased scrutiny as regulators consider how the data is collected, stored, safeguarded and used. Furthermore, the business models employed by the companies in the social media and computer programming industries may not prove to be successful.
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| GraniteShares 2x Long HIMS Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long HIMS Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the Healthcare Providers and Services Industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to changing economic conditions, evolving patient demographics, and fluctuations in demand for healthcare services. Profitability in this industry is often dependent on reimbursement rates from government programs and private payors, as well as the ability to manage operational costs effectively. Changes in healthcare regulations and policies, including those related to insurance coverage and reimbursement, can materially impact the industry. Companies in the healthcare providers and services industry are subject to extensive and frequently changing government regulation, which may affect the scope of their activities, the rates they can charge for services, and their compliance costs. Additionally, the industry faces risks related to litigation, operational disruptions, and evolving technologies that may alter traditional service delivery models. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long HIMS Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 85.70%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 118.07% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 29.51%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long HIMS Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long HIMS Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long HIMS Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long HIMS Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long HIMS Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long HIMS Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long HIMS Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long HIMS Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long HIMS Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long HIMS Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long HIMS Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long HIMS Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long HIMS Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long HIMS Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long HIMS Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long HIMS Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long HIMS Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long HIMS Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long HIMS Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long HIMS Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long HOOD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long HOOD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the investment banking and brokerage industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock operates in a heavily regulated and supervised environment. The impact interpretation, and enforcement of new rules can have major impacts on its operations. The Underlying Stock has material exposure to market, credit, and liquidity risks. The Underlying Stock relies on complex systems, and its inability to operate them accurately and timely could materially impact its ability to operate. The Underlying Stock may be significantly affected by stock and bank trading activity, continuing increases in price competition, decreases in fees or fee-related business, including investment banking, brokerage, asset management and other servicing fees, fluctuation in interest rates and other factors which could adversely affect financial markets. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long HOOD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 69.20%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 86.79% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 18.65%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long HOOD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long HOOD Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long HOOD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long HOOD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long HOOD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long HOOD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long HOOD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long HOOD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long HOOD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long HOOD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long HOOD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long HOOD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long HOOD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long HOOD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long HOOD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long HOOD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long HOOD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long HOOD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long HOOD Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long HOOD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long INTC Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long INTC Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long INTC Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 55.43%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 80.56% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 12.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long INTC Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long INTC Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long INTC Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long INTC Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long INTC Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long INTC Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long INTC Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long INTC Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long INTC Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long INTC Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long INTC Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long INTC Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long INTC Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long INTC Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long INTC Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long INTC Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long INTC Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long INTC Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long INTC Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long INTC Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short INTC Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short INTC Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short INTC Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 55.43%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 80.56% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 12.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short INTC Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short INTC Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short INTC Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short INTC Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short INTC Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short INTC Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short INTC Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short INTC Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short INTC Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short INTC Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short INTC Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short INTC Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short INTC Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short INTC Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short INTC Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short INTC Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short INTC Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short INTC Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short INTC Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short INTC Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long IONQ Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long IONQ Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the financial technology and digital payments industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the volume and value of payment transactions on its platforms, government regulations affecting financial technology and payment processing, cybersecurity and data breach risks, competition from traditional financial institutions and other financial technology companies, and its ability to expand its ecosystem of financial products and services. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long IONQ Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 103.70%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 130.15% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 31.57%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long IONQ Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long IONQ Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long IONQ Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long IONQ Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long IONQ Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long IONQ Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long IONQ Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long IONQ Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long IONQ Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long IONQ Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long IONQ Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long IONQ Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long IONQ Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long IONQ Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long IONQ Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long IONQ Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long IONQ Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long IONQ Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long IONQ Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long IONQ Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long ISRG Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long ISRG Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the smart medical devices industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to intense competition and potentially rapid product -obsolescence. These companies are also heavily dependent on intellectual property rights and may be adversely affected by loss or impairment of those rights. There can be no assurance these companies will be able to successfully protect their intellectual property to prevent the misappropriation of their technology, or that competitors will not develop technology that is substantially similar or superior to such companies’ technology. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long ISRG Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 35.09%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 45.25% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 1.25%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long ISRG Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long ISRG Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long ISRG Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long ISRG Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long ISRG Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long ISRG Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long ISRG Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long ISRG Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long ISRG Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long ISRG Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long ISRG Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long ISRG Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long ISRG Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long ISRG Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long ISRG Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long ISRG Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long ISRG Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long ISRG Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long ISRG Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long ISRG Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long JPM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long JPM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the financial services industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock operates in a heavily regulated and supervised environment. The impact interpretation, and enforcement of new rules can have major impacts on its operations. The Underlying Stock has material exposure to market, credit, and liquidity risks. The Underlying Stock relies on complex systems, and its inability to operate them accurately and timely could materially impact its ability to operate. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long JPM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 24.80%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 30.56% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 20.36%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long JPM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long JPM Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long JPM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long JPM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long JPM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long JPM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long JPM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long JPM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long JPM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long JPM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long JPM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long JPM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long JPM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long JPM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long JPM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long JPM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long JPM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long JPM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long JPM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long JPM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short JPM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short JPM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the financial services industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock operates in a heavily regulated and supervised environment. The impact interpretation, and enforcement of new rules can have major impacts on its operations. The Underlying Stock has material exposure to market, credit, and liquidity risks. The Underlying Stock relies on complex systems, and its inability to operate them accurately and timely could materially impact its ability to operate. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short JPM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 24.80%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 30.56% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 20.36%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short JPM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short JPM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short JPM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short JPM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short JPM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short JPM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short JPM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short JPM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short JPM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short JPM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short JPM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short JPM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short JPM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short JPM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short JPM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short JPM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short JPM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short JPM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short JPM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short JPM Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short JPM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short JPM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the financial services industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock operates in a heavily regulated and supervised environment. The impact interpretation, and enforcement of new rules can have major impacts on its operations. The Underlying Stock has material exposure to market, credit, and liquidity risks. The Underlying Stock relies on complex systems, and its inability to operate them accurately and timely could materially impact its ability to operate. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short JPM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 24.80%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 30.56% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 20.36%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short JPM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short JPM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short JPM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short JPM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short JPM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short JPM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short JPM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short JPM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short JPM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short JPM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short JPM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short JPM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short JPM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short JPM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short JPM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short JPM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short JPM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short JPM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short JPM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short JPM Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long KO Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long KO Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the beverage industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to food safety, product quality, supply chain disruptions, regulatory compliance, consumer trends, price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s significant customer losses, its inability to develop and implement new products, its reliance on third-party distributors, cybersecurity attacks and its inability to protect its intellectual property rights. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long KO Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 16.97%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 20.76% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 12.64%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long KO Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long KO Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long KO Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long KO Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long KO Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long KO Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long KO Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long KO Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long KO Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long KO Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long KO Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long KO Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long KO Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long KO Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long KO Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long KO Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long KO Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long KO Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long KO Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long KO Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short LCID Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short LCID Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock has a limited operating history and evaluating its prospects is difficult. The Underlying Stock has incurred net losses each year since its inception and is expected to suffer substantial losses in the coming future. It has limited control over substantial costs associated with its operations. The automotive sector industry can be highly cyclical, and companies in the industry may suffer periodic operating losses. Automotive companies can be significantly affected by labor relations and fluctuating component prices. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short LCID Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 85.74%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 94.90% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -51.35%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short LCID Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short LCID Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short LCID Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short LCID Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short LCID Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short LCID Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short LCID Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short LCID Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short LCID Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short LCID Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short LCID Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short LCID Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short LCID Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short LCID Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short LCID Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short LCID Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short LCID Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short LCID Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short LCID Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short LCID Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short LCID Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock has a limited operating history and evaluating its prospects is difficult. The Underlying Stock has incurred net losses each year since its inception and is expected to suffer substantial losses in the coming future. It has limited control over substantial costs associated with its operations. The automotive sector industry can be highly cyclical, and companies in the industry may suffer periodic operating losses. Automotive companies can be significantly affected by labor relations and fluctuating component prices. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short LCID Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 85.74%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 94.90% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -51.35%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short LCID Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short LCID Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short LCID Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short LCID Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short LCID Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short LCID Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short LCID Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short LCID Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short LCID Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short LCID Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short LCID Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short LCID Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short LCID Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short LCID Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short LCID Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short LCID Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short LCID Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short LCID Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short LCID Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short LCID Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short LCID Daily ETF | Automotive Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Automotive Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The automotive sector industry can be highly cyclical, and companies in the industry may suffer periodic operating losses. Automotive companies can be significantly affected by labor relations and fluctuating component prices. Developments in automotive technologies (e.g., autonomous vehicle technologies) may require significant capital expenditures that may not generate profits for several years, if ever. Automotive companies may be significantly subject to government policies and regulations regarding imports and exports of automotive products. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. While most of the major automotive manufacturers are large companies, certain others may be non-diversified in both product line and customer base and may be more vulnerable to certain events that may negatively impact the automotive industry.
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| GraniteShares 2x Long LLY Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long LLY Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the pharmaceutical industry. Pharmaceutical research and development are very costly and highly uncertain; the Underlying Stock may not succeed in developing, licensing, or acquiring commercially successful products sufficient in number or value to replace revenues of products that have lost or will lose intellectual property protection or are displaced by competing products or therapies. The Underlying Stock and its products face intense competition from multinational pharmaceutical companies, biotechnology companies, and lower-cost generic and biosimilar manufacturers, and such competition could have a material adverse effect on the Underlying Stock’s business. The Underlying Stock’s business is subject to increasing government price controls and other public and private restrictions on pricing, reimbursement, and access for the Underlying Stock’s drugs, which could have a material adverse effect on the Underlying Stock’s results of operations, reputation or business. Pharmaceutical products can develop safety or efficacy concerns, which could have a material adverse effect on Underlying Stock’s revenues, income, and reputation. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long LLY Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 33.39%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 43.28% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 36.29%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long LLY Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long LLY Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long LLY Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long LLY Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long LLY Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long LLY Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long LLY Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long LLY Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long LLY Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long LLY Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long LLY Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long LLY Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long LLY Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long LLY Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long LLY Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long LLY Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long LLY Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long LLY Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long LLY Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long LLY Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short LLY Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short LLY Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the pharmaceutical industry. Pharmaceutical research and development are very costly and highly uncertain; the Underlying Stock may not succeed in developing, licensing, or acquiring commercially successful products sufficient in number or value to replace revenues of products that have lost or will lose intellectual property protection or are displaced by competing products or therapies. The Underlying Stock and its products face intense competition from multinational pharmaceutical companies, biotechnology companies, and lower-cost generic and biosimilar manufacturers, and such competition could have a material adverse effect on the Underlying Stock’s business. The Underlying Stock’s business is subject to increasing government price controls and other public and private restrictions on pricing, reimbursement, and access for the Underlying Stock’s drugs, which could have a material adverse effect on the Underlying Stock’s results of operations, reputation or business. Pharmaceutical products can develop safety or efficacy concerns, which could have a material adverse effect on Underlying Stock’s revenues, income, and reputation. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short LLY Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 33.39%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 43.28% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 36.29%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short LLY Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short LLY Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short LLY Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short LLY Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short LLY Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short LLY Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short LLY Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short LLY Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short LLY Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short LLY Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short LLY Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short LLY Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short LLY Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short LLY Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short LLY Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short LLY Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short LLY Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short LLY Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short LLY Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short LLY Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MARA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MARA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the digital asset and cryptocurrency mining industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the price and trading volume of Bitcoin and other cryptocurrencies, increases in Bitcoin network mining difficulty, rising energy costs, regulatory actions targeting cryptocurrency mining, technological developments in mining hardware, and environmental concerns related to the energy-intensive nature of cryptocurrency mining. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MARA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 107.88%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 137.87% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -23.53%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MARA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MARA Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MARA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MARA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long MARA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long MARA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MARA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MARA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MARA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MARA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MARA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MARA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MARA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MARA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MARA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MARA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MARA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MARA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MARA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MARA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long MARA Daily ETF | Bitcoin Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Bitcoin Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks associated with bitcoin. Investing in bitcoin exposes to significant risks that are not typically present in other investments. These risks include the uncertainty surrounding new technology, limited evaluation due to bitcoin’s short trading history, and the potential decline in adoption and value over the long term. The extreme volatility of bitcoin’s price is also a risk factor. Regulatory uncertainties, such as potential government interventions and conflicting regulations across jurisdictions, can impact the demand for bitcoin and restrict its usage. Bitcoin is not presently widely accepted as a medium of exchange, which may be due to a number of common impediments and/or disadvantages to adopting the Bitcoin Network as a payment network, including the slowness of transaction processing and finality, variability of transaction fees, and volatility of the price of bitcoin. Additionally, risks associated with the sale of newly mined bitcoin, bitcoin trading platforms, competition from alternative digital assets, mining operations, network modifications, and intellectual property claims pose further challenges to bitcoin-linked investments. The value of bitcoin has been, may continue to be, substantially dependent on speculation, such that trading and investing in these assets generally may not be based on fundamental analysis. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MARA Daily ETF | Bitcoin Halving [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Bitcoin Halving. While bitcoin prices have historically increased around halving events (a process designed to control the overall supply and reduce the risk of inflation in bitcoin, which uses a proof-of-work consensus algorithm and results in the mining reward being cut in half) there is no guarantee that the price change will be favorable or would compensate for the reduction in mining rewards. If a corresponding and proportionate increase in the price of Bitcoin does not follow future halving events, the revenue RIOT earns from its bitcoin mining operations would see a decrease, which could have a material adverse effect on RIOT’s results of operations and financial condition.
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| GraniteShares 2x Long MARA Daily ETF | Hash Rate and Difficulty [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Hash Rate and Difficulty. As demand for bitcoin has increased, the global network hash rate (i.e., the aggregate amount of computing power devoted to supporting the bitcoin blockchain at a given time) has increased rapidly, and as greater adoption of bitcoin occurs, it is expected that demand for new bitcoin will likewise increase as more mining companies are drawn into the industry by this increased demand. Further, as a greater number of increasingly powerful miners have been deployed, the network difficulty for bitcoin has consequently also increased. A high difficulty means that more computing power will be required in order to solve a block and earn a new bitcoin reward, which, in turn, makes the bitcoin network more secure by limiting the possibility of one miner or mining pool gaining control of the network. Therefore, as new and existing miners deploy additional hash rate, the global network hash rate will continue to increase, meaning a miner’s share of the global network hash rate (and therefore its chance of earning bitcoin rewards) will decline if it fails to deploy additional hash rate at pace with the industry. If an effort to grow the hash rate, results in the inability to complete planned expansions on schedule and within anticipated cost estimates, deployment of newly purchased miners may be delayed, which could affect its competitiveness and results of operation, which could have a material adverse effect on the Underlying Stock’s financial condition and market price for its securities.
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| GraniteShares 2x Long MARA Daily ETF | Blockchain Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Blockchain Risk: Blockchain companies may be adversely impacted by government regulations or economic conditions. Blockchain technology is new and its uses are in many cases untested or unclear. These companies may also have significant exposure to fluctuations in the spot prices of digital assets, particularly to the extent that demand for a company’s hardware or services may increase as the spot price of digital assets increase. Blockchain companies typically face intense competition and potentially rapid product obsolescence. In addition, many Blockchain companies store sensitive consumer information and could be the target of cybersecurity attacks and other types of theft, which could have a negative impact on these companies. Access to a given blockchain may require a specific cryptographic key (in effect a string of characters granting unique access to initiate transactions related to specific digital assets) or set of keys, the theft, loss, or destruction of which, either by accident or as a result of the efforts of a third party, could irrevocably impair a claim to the digital assets stored on that blockchain. Many Blockchain companies currently operate under less regulatory scrutiny than traditional financial services companies and banks, but there is significant risk that regulatory oversight could increase in the future. Higher levels of regulation could increase costs and adversely impact the current business models of some Blockchain companies. For example, restrictions imposed by foreign governments, including China, on the use and mining of digital assets, may adversely impact Blockchain Companies and in turn the Fund. These companies could be negatively impacted by disruptions in service caused by hardware or software failure, or by interruptions or delays in service by third-party data center hosting facilities and maintenance providers. Blockchain companies involved in digital assets may face slow adoption rates and be subject to higher levels of regulatory scrutiny in the future, which could severely impact the viability of these companies. Blockchain companies, especially smaller companies, tend to be more volatile than companies that do not rely heavily on technology. The customers and/or suppliers of Blockchain companies may be concentrated in a particular country, region or industry. Any adverse event affecting one of these countries, regions or industries could have a negative impact on Blockchain companies.
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| GraniteShares 2x Long MARA Daily ETF | Delays In Receipt Of Hardware Due To Custom Inspections Risks [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Delays in Receipt of Hardware Due to Customs Inspections Risk: Custom inspections can lead to delivery delays, potentially causing issues like supply chain disruptions, missed delivery schedules, and unsatisfied customers, as well as potentially leading to additional fees and inventory shortages.
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| GraniteShares 2x Long MARA Daily ETF | Delays In Receipt Of Hardware Due To Custom Inspections Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Delays in Receipt of Hardware Due to Customs Inspections Risk: Custom inspections can lead to delivery delays, potentially causing issues like supply chain disruptions, missed delivery schedules, and unsatisfied customers, as well as potentially leading to additional fees and inventory shortages.
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| GraniteShares 2x Long MCD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MCD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer discretionary industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including but are not limited to overall domestic and global economy, interest rates, competition and consumer confidence. Success depends heavily on disposable household income and consumer spending. Also, companies in the consumer discretionary sector may be subject to severe competition, which may have an adverse impact on their respective profitability. Changes in demographics and consumer tastes can also affect the demand for, and success of, consumer products and services in the marketplace. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MCD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 18.02%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 20.62% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 4.30%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MCD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 150% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 150% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MCD Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MCD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MCD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long MCD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long MCD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MCD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MCD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MCD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MCD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MCD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MCD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MCD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MCD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MCD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MCD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MCD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MCD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MCD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long MCD Daily ETF | U S Treasury Risk U [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MELI Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MELI Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the e-commerce industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to expand into new products, services or technologies, increased competition in the e-commerce industry, successfully operate its fulfillment and data centers, cybersecurity attacks, changes in supplier relationships, demand for certain consumer products, product liability issues, changes in tax liability and evolving government regulations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MELI Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 50.31%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 79.62% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.42%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MELI Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MELI Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MELI Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MELI Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long MELI Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long MELI Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MELI Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MELI Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MELI Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MELI Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MELI Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MELI Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MELI Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MELI Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MELI Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MELI Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MELI Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MELI Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MELI Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MELI Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long META Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long META Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media and computer programming sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to add and retain users of its social media products, disruption in service caused by hardware or software failure, interruptions or delays in service by third-party data center hosting facilities and maintenance providers, security breaches involving certain private, sensitive, proprietary and confidential information its ability to enforce its intellectual property rights and increased competition in the social and digital media space. Additionally, the collection of data from consumers and other sources could face increased scrutiny as regulators consider how the data is collected, stored, safeguarded and used. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long META Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 45.58%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 69.50% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long META Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long META Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
Social Media and Computer Programming Company Riss: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media and computer programming sector. Such companies provide social networking, file sharing, and other web-based media applications. The risks related to investing in such companies include disruption in service caused by hardware or software failure, interruptions or delays in service by third-party data center hosting facilities and maintenance providers, security breaches involving certain private, sensitive, proprietary and confidential information managed and transmitted by social media companies, and privacy concerns and laws, evolving Internet regulation and other foreign or domestic regulations that may limit or otherwise affect the operations of such companies. Additionally, the collection of data from consumers and other sources could face increased scrutiny as regulators consider how the data is collected, stored, safeguarded and used. Furthermore, the business models employed by the companies in the social media and computer programming industries may not prove to be successful.
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| GraniteShares 2x Long META Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long META Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long META Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long META Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long META Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long META Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long META Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long META Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long META Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long META Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long META Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long META Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long META Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long META Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long META Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long META Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long META Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long META Daily ETF | Investing In U [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short META Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short META Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media and computer programming sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to add and retain users of its social media products, disruption in service caused by hardware or software failure, interruptions or delays in service by third-party data center hosting facilities and maintenance providers, security breaches involving certain private, sensitive, proprietary and confidential information its ability to enforce its intellectual property rights and increased competition in the social and digital media space. Additionally, the collection of data from consumers and other sources could face increased scrutiny as regulators consider how the data is collected, stored, safeguarded and used. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short META Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 45.58%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 69.50% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short META Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short META Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short META Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short META Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short META Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short META Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short META Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short META Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short META Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short META Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short META Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short META Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short META Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short META Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short META Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short META Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short META Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short META Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short META Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short META Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short META Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short META Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media and computer programming sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to add and retain users of its social media products, disruption in service caused by hardware or software failure, interruptions or delays in service by third-party data center hosting facilities and maintenance providers, security breaches involving certain private, sensitive, proprietary and confidential information, its ability to enforce its intellectual property rights and increased competition in the social and digital media space. Additionally, the collection of data from consumers and other sources could face increased scrutiny as regulators consider how the data is collected, stored, safeguarded and used. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short META Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 45.58%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 69.50% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short META Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -150% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short META Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short META Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short META Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short META Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short META Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short META Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short META Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short META Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short META Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short META Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short META Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short META Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short META Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short META Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short META Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short META Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short META Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short META Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short META Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MRVL Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MRVL Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s significant customer losses, its inability to develop and implement new technologies, its reliance on third-party distributors and platforms, cybersecurity attacks, its inability to protect its intellectual property rights and global laws and regulations affecting privacy, data protection and technology protections. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MRVL Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 65.77%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 82.19% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 28.85%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MRVL Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MRVL Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MRVL Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MRVL Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long MRVL Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long MRVL Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MRVL Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MRVL Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. The COVID-19 pandemic and the aggressive responses taken by many governments, including closing borders, restricting international and domestic travel, and the imposition of prolonged quarantines or similar restrictions, as well as the forced or voluntary closure of, or operational changes to, many retail and other businesses, had negative impacts, and in many cases severe negative impacts, on markets worldwide. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MRVL Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MRVL Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MRVL Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MRVL Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MRVL Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MRVL Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MRVL Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MRVL Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MRVL Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MRVL Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MRVL Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MRVL Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long MSFT Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MSFT Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the microprocessor market, reliance on third-party manufacturers, the company’s ability to new develop new products, losses of significant customers, changes in customer demand for its products, risks associated with defective products political, legal and economic risks affecting the company’s global operations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MSFT Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 28.61%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 36.33% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 11.86%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MSFT Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MSFT Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MSFT Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MSFT Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long MSFT Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long MSFT Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MSFT Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MSFT Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MSFT Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MSFT Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MSFT Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MSFT Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MSFT Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MSFT Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MSFT Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MSFT Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MSFT Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MSFT Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MSFT Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MSFT Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long MSFT Daily ETF | Software And Information Computer Technology Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Software and Information Computer Technology Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Long MSTR Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MSTR Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MSTR Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 91.80%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 113.05% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 13.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MSTR Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MSTR Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MSTR Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MSTR Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long MSTR Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long MSTR Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MSTR Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MSTR Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MSTR Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MSTR Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MSTR Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MSTR Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MSTR Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MSTR Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may have difficulty achieving its daily leveraged investment objective due to its difficulty to adjust its exposure to the Underlying Security, resulting in over or under-exposition. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MSTR Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MSTR Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MSTR Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MSTR Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MSTR Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MSTR Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long MSTR Daily ETF | Bitcoin Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Bitcoin Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks associated with bitcoin. Investing in bitcoin exposes to significant risks that are not typically present in other investments. These risks include the uncertainty surrounding new technology, limited evaluation due to bitcoin’s short trading history, and the potential decline in adoption and value over the long term. The extreme volatility of bitcoin’s price is also a risk factor. Regulatory uncertainties, such as potential government interventions and conflicting regulations across jurisdictions, can impact the demand for bitcoin and restrict its usage. Bitcoin is not presently widely accepted as a medium of exchange, which may be due to a number of common impediments and/or disadvantages to adopting the Bitcoin Network as a payment network, including the slowness of transaction processing and finality, variability of transaction fees, and volatility of the price of bitcoin. Additionally, risks associated with the sale of newly mined bitcoin, bitcoin trading platforms, competition from alternative digital assets, mining operations, network modifications, and intellectual property claims pose further challenges to bitcoin-linked investments. The value of bitcoin has been, may continue to be, substantially dependent on speculation, such that trading and investing in these assets generally may not be based on fundamental analysis. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MU Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long MU Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long MU Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 57.47%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 82.70% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 67.88%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long MU Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long MU Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long MU Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long MU Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long MU Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long MU Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long MU Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long MU Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long MU Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long MU Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long MU Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long MU Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long MU Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long MU Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long MU Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long MU Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long MU Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long MU Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long MU Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long MU Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short MU Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short MU Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The risks of investments in the industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short MU Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 57.47%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 82.70% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 67.88%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short MU Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short MU Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short MU Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short MU Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short MU Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short MU Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short MU Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short MU Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short MU Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short MU Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short MU Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short MU Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short MU Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short MU Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short MU Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short MU Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short MU Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short MU Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short MU Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short MU Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NBIS Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long NBIS Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the artificial intelligence infrastructure and cloud computing industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the artificial intelligence cloud computing market, the availability and cost of specialized hardware for AI workloads, demand for AI training and inference services, government regulations related to artificial intelligence and data privacy, cybersecurity risks affecting its cloud infrastructure and services, and geopolitical risks given its operations across multiple jurisdictions. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long NBIS Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from October 21, 2024 (Underlying Stock’s listing date) to August 31, 2026, was 117.17%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 120.83% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was 250.61%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long NBIS Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long NBIS Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NBIS Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long NBIS Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long NBIS Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long NBIS Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long NBIS Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long NBIS Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long NBIS Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long NBIS Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long NBIS Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long NBIS Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long NBIS Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long NBIS Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long NBIS Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long NBIS Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long NBIS Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long NBIS Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long NBIS Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long NBIS Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long NFLX Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long NFLX Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology as well as the entertainment industries.
The software and information technology industry is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
The entertainment industry is highly competitive and relies on consumer spending and the availability of disposable income for success. The prices of the securities of companies in the entertainment industry may fluctuate widely due to competitive pressures, heavy expenses incurred for research and development of products, problems related to bringing products to market, consumer preferences and rapid obsolescence of products. Legislative or regulatory changes and increased government supervision also may affect companies in the entertainment industry. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long NFLX Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 44.34%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 71.78% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 6.85%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long NFLX Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long NFLX Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NFLX Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long NFLX Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long NFLX Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long NFLX Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long NFLX Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long NFLX Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long NFLX Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long NFLX Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long NFLX Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long NFLX Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long NFLX Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long NFLX Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long NFLX Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long NFLX Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long NFLX Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long NFLX Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long NFLX Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long NFLX Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short NFLX Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short NFLX Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry as well as the entertainment industry.
The software and information technology industry are particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
The entertainment industry is highly competitive and relies on consumer spending and the availability of disposable income for success. The prices of the securities of companies in the entertainment industry may fluctuate widely due to competitive pressures, heavy expenses incurred for research and development of products, problems related to bringing products to market, consumer preferences and rapid obsolescence of products. Legislative or regulatory changes and increased government supervision also may affect companies in the entertainment industry. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short NFLX Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 44.34%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 71.78% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 6.85%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short NFLX Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short NFLX Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short NFLX Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short NFLX Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short NFLX Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short NFLX Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short NFLX Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short NFLX Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short NFLX Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short NFLX Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short NFLX Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short NFLX Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short NFLX Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short NFLX Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short NFLX Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short NFLX Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short NFLX Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short NFLX Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short NFLX Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short NFLX Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NKE Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long NKE Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer discretionary industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to overall domestic and global economy, interest rates, competition and consumer confidence. Success depends heavily on disposable household income and consumer spending. Also, companies in the consumer discretionary sector may be subject to severe competition, which may have an adverse impact on their respective profitability. Changes in demographics and consumer tastes can also affect the demand for, and success of, consumer products and services in the marketplace. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long NKE Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 36.33%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 45.12% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -23.77%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long NKE Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long NKE Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NKE Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long NKE Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long NKE Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long NKE Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long NKE Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long NKE Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long NKE Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long NKE Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long NKE Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long NKE Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long NKE Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long NKE Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long NKE Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long NKE Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long NKE Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long NKE Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long NKE Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long NKE Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long NOW Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long NOW Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the microprocessor market, reliance on third-party manufacturers, the company’s ability to new develop new products, losses of significant customers, changes in customer demand for its products, risks associated with defective products political, legal and economic risks affecting the company’s global operations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long NOW Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 45.83%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 57.82% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 2.60%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long NOW Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long NOW Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NOW Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long NOW Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long NOW Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long NOW Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long NOW Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long NOW Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long NOW Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long NOW Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long NOW Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long NOW Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long NOW Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long NOW Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long NOW Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long NOW Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long NOW Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long NOW Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long NOW Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long NOW Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long NVDA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long NVDA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by NVIDIA Corporation’s ability to identify new products, technologies or services, global competition and business conditions, its dependence on third-party product manufacturers, product defect issues, cybersecurity breaches, and customer concentration.
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| GraniteShares 2x Long NVDA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 52.84%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 65.27% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 58.08%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long NVDA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long NVDA Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NVDA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long NVDA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long NVDA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long NVDA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long NVDA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long NVDA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long NVDA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long NVDA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long NVDA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long NVDA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long NVDA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long NVDA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long NVDA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long NVDA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long NVDA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long NVDA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long NVDA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long NVDA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long NVDA Daily ETF | Semiconductor Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Semi-Conductor Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The risks of investments in the semiconductor sector industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole.
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| GraniteShares 1x Short NVDA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short NVDA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by NVIDIA Corporation’s ability to identify new products, technologies or services, global competition and business conditions, its dependence on third-party product manufacturers, product defect issues, cybersecurity breaches, and customer concentration. The Underlying Stock may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short NVDA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 52.84%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 65.27% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 58.08%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short NVDA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short NVDA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short NVDA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short NVDA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short NVDA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short NVDA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short NVDA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short NVDA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short NVDA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short NVDA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods.
Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short NVDA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short NVDA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short NVDA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short NVDA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short NVDA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short NVDA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short NVDA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short NVDA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short NVDA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short NVDA Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short NVDA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short NVDA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by NVIDIA Corporation’s ability to identify new products, technologies or services, global competition and business conditions, its dependence on third-party product manufacturers, product defect issues, cybersecurity breaches, and customer concentration. The Underlying Stock may also be affected by risks that affect the broader technology sector, including: government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short NVDA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 52.84%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 65.27% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 58.08%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short NVDA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short NVDA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short NVDA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short NVDA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short NVDA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short NVDA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short NVDA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short NVDA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short NVDA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short NVDA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods.
Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short NVDA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short NVDA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short NVDA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short NVDA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short NVDA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short NVDA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short NVDA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short NVDA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short NVDA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short NVDA Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NVO Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long NVO Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the pharmaceutical industry. Pharmaceutical research and development are very costly and highly uncertain; the Underlying Stock may not succeed in developing, licensing, or acquiring commercially successful products sufficient in number or value to replace revenues of products that have lost or will lose intellectual property protection or are displaced by competing products or therapies. The Underlying Stock and its products face intense competition from multinational pharmaceutical companies, biotechnology companies, and lower-cost generic and biosimilar manufacturers, and such competition could have a material adverse effect on the Underlying Stock’s business. The Underlying Stock’s business is subject to increasing government price controls and other public and private restrictions on pricing, reimbursement, and access for the Underlying Stock’s drugs, which could have a material adverse effect on the Underlying Stock’s results of operations, reputation or business. Pharmaceutical products can develop safety or efficacy concerns, which could have a material adverse effect on Underlying Stock’s revenues, income, and reputation. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long NVO Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 39.43%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 56.21% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.14%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long NVO Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long NVO Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long NVO Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long NVO Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long NVO Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long NVO Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long NVO Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long NVO Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long NVO Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long NVO Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long NVO Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long NVO Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long NVO Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long NVO Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long NVO Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long NVO Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long NVO Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long NVO Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long NVO Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long NVO Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long NVO Daily ETF | Denmark Investing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Denmark Investing Risk: Investments in a Danish issuer will subject the Fund to legal, regulatory, political, currency, security, and economic risks specific to Denmark. Denmark’s industrialized market economy depends on imported raw materials and foreign trade. As a result, Denmark is dependent on trading relationships with certain key trading partners, including other EU countries and the U.S. Denmark’s economy has also been characterized by slow growth and is facing demographic challenges, including an aging population, that could lead to labor supply shortages in the near future.
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| GraniteShares 2x Short NVO Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short NVO Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the pharmaceutical industry. Pharmaceutical research and development are very costly and highly uncertain; the Underlying Stock may not succeed in developing, licensing, or acquiring commercially successful products sufficient in number or value to replace revenues of products that have lost or will lose intellectual property protection or are displaced by competing products or therapies. The Underlying Stock and its products face intense competition from multinational pharmaceutical companies, biotechnology companies, and lower-cost generic and biosimilar manufacturers, and such competition could have a material adverse effect on the Underlying Stock’s business. The Underlying Stock’s business is subject to increasing government price controls and other public and private restrictions on pricing, reimbursement, and access for the Underlying Stock’s drugs, which could have a material adverse effect on the Underlying Stock’s results of operations, reputation or business. Pharmaceutical products can develop safety or efficacy concerns, which could have a material adverse effect on Underlying Stock’s revenues, income, and reputation. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short NVO Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 39.43%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 56.21% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.14%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short NVO Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short NVO Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short NVO Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short NVO Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short NVO Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short NVO Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short NVO Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short NVO Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short NVO Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short NVO Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short NVO Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short NVO Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short NVO Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short NVO Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short NVO Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short NVO Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short NVO Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short NVO Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short NVO Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short NVO Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short NVO Daily ETF | Denmark Investing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Denmark Investing Risk: Investments in a Danish issuer will subject the Fund to legal, regulatory, political, currency, security, and economic risks specific to Denmark. Denmark’s industrialized market economy depends on imported raw materials and foreign trade. As a result, Denmark is dependent on trading relationships with certain key trading partners, including other EU countries and the U.S. Denmark’s economy has also been characterized by slow growth and is facing demographic challenges, including an aging population, that could lead to labor supply shortages in the near future.
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| GraniteShares 2x Long OKLO Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long OKLO Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the electric utility industry. Companies in the electric utility industry are subject to many risks that can negatively impact their revenue and viability including, but are not limited to supply and demand, operating costs, government regulation, environmental factors, liabilities for environmental damage and general civil liabilities, and rate caps or rate changes. Although rate changes of a regulated utility usually fluctuate in approximate correlation with financing costs, due to political and regulatory factors rate changes ordinarily occur only following a delay after the changes in financing costs. This factor will tend to favorably affect a regulated utility company’s earnings and dividends in times of decreasing costs, but conversely, will tend to adversely affect earnings and dividends when costs are rising. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long OKLO Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 89.50%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 152.73% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 32.74%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long OKLO Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long OKLO Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long OKLO Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long OKLO Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long OKLO Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long OKLO Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long OKLO Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long OKLO Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long OKLO Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long OKLO Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long OKLO Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long OKLO Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long OKLO Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long OKLO Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long OKLO Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long OKLO Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long OKLO Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long OKLO Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long OKLO Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long OKLO Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long PANW Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long PANW Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long PANW Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 42.94%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 49.93% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 37.87%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long PANW Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long PANW Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long PANW Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long PANW Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long PANW Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long PANW Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long PANW Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long PANW Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. The COVID-19 pandemic and the aggressive responses taken by many governments, including closing borders, restricting international and domestic travel, and the imposition of prolonged quarantines or similar restrictions, as well as the forced or voluntary closure of, or operational changes to, many retail and other businesses, had negative impacts, and in many cases severe negative impacts, on markets worldwide. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long PANW Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long PANW Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long PANW Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long PANW Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long PANW Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long PANW Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long PANW Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long PANW Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long PANW Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long PANW Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long PANW Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long PANW Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short PANW Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short PANW Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short PANW Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 42.94%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 49.93% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 37.87%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short PANW Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short PANW Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short PANW Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short PANW Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short PANW Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short PANW Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short PANW Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short PANW Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short PANW Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short PANW Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short PANW Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short PANW Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short PANW Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short PANW Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short PANW Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short PANW Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short PANW Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short PANW Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short PANW Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short PANW Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long PDD Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long PDD Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the e-commerce industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the global e-commerce market, government regulations in China and other international markets affecting its platforms and operations, consumer spending trends and demand for online retail services, its ability to attract and retain merchants and consumers on its platforms, cybersecurity risks, and currency exchange rate fluctuations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long PDD Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 67.40%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 112.36% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -4.69%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long PDD Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long PDD Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long PDD Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long PDD Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long PDD Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long PDD Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long PDD Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long PDD Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long PDD Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long PDD Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long PDD Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long PDD Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long PDD Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long PDD Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long PDD Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long PDD Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long PDD Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long PDD Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long PDD Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long PDD Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long PLTR Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long PLTR Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by significant customer losses, its inability to develop and implement new technologies, its reliance on third-party distributors and platforms, cybersecurity attacks, its inability to protect its intellectual property rights and global laws and regulations affecting privacy, data protection and technology protections. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long PLTR Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to track indices that replicate leveraged daily returns. For a Fund aiming to replicate 1.25 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 68.06%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 77.37% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 48.05%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long PLTR Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long PLTR Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long PLTR Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long PLTR Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long PLTR Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long PLTR Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long PLTR Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long PLTR Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long PLTR Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long PLTR Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long PLTR Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long PLTR Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long PLTR Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long PLTR Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long PLTR Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long PLTR Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long PLTR Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long PLTR Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long PLTR Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long PLTR Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long PLTR Daily ETF | Software And Information Technology Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Software and Information Technology Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology sector. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation, and competition, both domestically and internationally, including competition from competitors with lower production costs. In addition, many information technology companies have limited product lines, markets, financial resources or personnel. The prices of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile and less liquid than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology sector may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Long PM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long PM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer staples industry. Consumer staples companies are subject to many risks that can negatively impact their revenue and viability including but are not limited to government regulation affecting their products which may negatively impact such companies’ performance. For instance, government regulations may affect the permissibility of using various food additives and production methods of companies that make food products, which could affect company profitability. Tobacco companies may be adversely affected by the adoption of proposed legislation and/or by litigation. Also, the success of food, beverage, household and personal product companies may be strongly affected by consumer interest, marketing campaigns and other factors affecting supply and demand, including performance of the overall domestic and global economy, interest rates, competition and consumer confidence and spending.
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| GraniteShares 2x Long PM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 23.72%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 29.57% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 17.97%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long PM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long PM Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long PM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long PM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long PM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long PM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long PM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long PM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long PM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long PM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long PM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long PM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long PM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long PM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long PM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long PM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long PM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long PM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long PM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long PM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long QCOM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long QCOM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long QCOM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 42.90%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 53.17% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 5.24%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long QCOM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long QCOM Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long QCOM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long QCOM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long QCOM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long QCOM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long QCOM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long QCOM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long QCOM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long QCOM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long QCOM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long QCOM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long QCOM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long QCOM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long QCOM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long QCOM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long QCOM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long QCOM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long QCOM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long QCOM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short QCOM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short QCOM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The risks of investments in the semiconductor industry include: intense competition, both domestically and internationally, including competition from subsidized foreign competitors with lower production costs; wide fluctuations in securities prices due to risks of rapid obsolescence of products; economic performance of the customers of semiconductor companies; their research costs and the risks that their products may not prove commercially successful; capital equipment expenditures that could be substantial and suffer from rapid obsolescence; and thin capitalization and limited product lines, markets, financial resources or personnel. The semiconductor industry may also be affected by risks that affect the broader technology sector, including government regulation; dramatic and often unpredictable changes in growth rates and competition for qualified personnel; heavy dependence on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability; and a small number of companies representing a large portion of the technology sector as a whole. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short QCOM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 42.90%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 53.17% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 5.24%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short QCOM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short QCOM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short QCOM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short QCOM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short QCOM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short QCOM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short QCOM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short QCOM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short QCOM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short QCOM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short QCOM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short QCOM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short QCOM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short QCOM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short QCOM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short QCOM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short QCOM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short QCOM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short QCOM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short QCOM Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long RDDT Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long RDDT Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to add and retain users and communities on its platform, government restrictions and enforcement actions, security breaches, its ability to monetize its user base through advertising and data licensing, increased competition from other social media platforms, and changes in content moderation policies and user behavior. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long RDDT Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from March 20, 2024 (the Underlying Stock’s IPO date) to August 31, 2026, was 88.76%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 104.95% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was 82.21%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long RDDT Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long RDDT Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long RDDT Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long RDDT Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long RDDT Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long RDDT Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long RDDT Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long RDDT Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long RDDT Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long RDDT Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long RDDT Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long RDDT Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long RDDT Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long RDDT Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long RDDT Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long RDDT Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long RDDT Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long RDDT Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long RDDT Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long RDDT Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long RGTI Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long RGTI Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the quantum computing industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition from established technology companies and other quantum computing firms, the pace of development and commercialization of quantum computing technology, government funding and regulatory support for quantum research, the company’s limited operating history and development-stage nature, and the long timeframes typically required to achieve commercial viability in the quantum computing sector. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long RGTI Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 132.89%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 189.93% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 9.99%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long RGTI Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long RGTI Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long RGTI Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long RGTI Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long RGTI Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long RGTI Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long RGTI Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long RGTI Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long RGTI Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long RGTI Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long RGTI Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long RGTI Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long RGTI Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long RGTI Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long RGTI Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long RGTI Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long RGTI Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long RGTI Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long RGTI Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long RGTI Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long RIOT Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long RIOT Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the digital asset and cryptocurrency mining industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the price and trading volume of Bitcoin and other cryptocurrencies, increases in Bitcoin network mining difficulty, rising energy costs, regulatory actions targeting cryptocurrency mining, cybersecurity risks to its mining infrastructure, and environmental and sustainability concerns related to energy-intensive cryptocurrency mining operations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long RIOT Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 95.65%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 111.42% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -12.25%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long RIOT Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long RIOT Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long RIOT Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long RIOT Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long RIOT Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long RIOT Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long RIOT Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long RIOT Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long RIOT Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long RIOT Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long RIOT Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long RIOT Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long RIOT Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long RIOT Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long RIOT Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long RIOT Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long RIOT Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long RIOT Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long RIOT Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long RIOT Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long RIOT Daily ETF | Bitcoin Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Bitcoin Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks associated with bitcoin. Investing in bitcoin exposes to significant risks that are not typically present in other investments. These risks include the uncertainty surrounding new technology, limited evaluation due to bitcoin’s short trading history, and the potential decline in adoption and value over the long term. The extreme volatility of bitcoin’s price is also a risk factor. Regulatory uncertainties, such as potential government interventions and conflicting regulations across jurisdictions, can impact the demand for bitcoin and restrict its usage. Bitcoin is not presently widely accepted as a medium of exchange, which may be due to a number of common impediments and/or disadvantages to adopting the Bitcoin Network as a payment network, including the slowness of transaction processing and finality, variability of transaction fees, and volatility of the price of bitcoin. Additionally, risks associated with the sale of newly mined bitcoin, bitcoin trading platforms, competition from alternative digital assets, mining operations, network modifications, and intellectual property claims pose further challenges to bitcoin-linked investments. The value of bitcoin has been, may continue to be, substantially dependent on speculation, such that trading and investing in these assets generally may not be based on fundamental analysis. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long RIOT Daily ETF | Bitcoin Halving [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Bitcoin Halving. While bitcoin prices have historically increased around halving events (a process designed to control the overall supply and reduce the risk of inflation in bitcoin, which uses a proof-of-work consensus algorithm and results in the mining reward being cut in half) there is no guarantee that the price change will be favorable or would compensate for the reduction in mining rewards. If a corresponding and proportionate increase in the price of Bitcoin does not follow future halving events, the revenue RIOT earns from its bitcoin mining operations would see a decrease, which could have a material adverse effect on RIOT’s results of operations and financial condition.
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| GraniteShares 2x Long RIOT Daily ETF | Hash Rate and Difficulty [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Hash Rate and Difficulty. As demand for bitcoin has increased, the global network hash rate (i.e., the aggregate amount of computing power devoted to supporting the bitcoin blockchain at a given time) has increased rapidly, and as greater adoption of bitcoin occurs, it is expected that demand for new bitcoin will likewise increase as more mining companies are drawn into the industry by this increased demand. Further, as a greater number of increasingly powerful miners have been deployed, the network difficulty for bitcoin has consequently also increased. A high difficulty means that more computing power will be required in order to solve a block and earn a new bitcoin reward, which, in turn, makes the bitcoin network more secure by limiting the possibility of one miner or mining pool gaining control of the network. Therefore, as new and existing miners deploy additional hash rate, the global network hash rate will continue to increase, meaning a miner’s share of the global network hash rate (and therefore its chance of earning bitcoin rewards) will decline if it fails to deploy additional hash rate at pace with the industry. If an effort to grow the hash rate, results in the inability to complete planned expansions on schedule and within anticipated cost estimates, deployment of newly purchased miners may be delayed, which could affect its competitiveness and results of operation, which could have a material adverse effect on the Underlying Stock’s financial condition and market price for its securities.
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| GraniteShares 2x Long RIOT Daily ETF | Blockchain Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Blockchain Risk: Blockchain companies may be adversely impacted by government regulations or economic conditions. Blockchain technology is new and its uses are in many cases untested or unclear. These companies may also have significant exposure to fluctuations in the spot prices of digital assets, particularly to the extent that demand for a company’s hardware or services may increase as the spot price of digital assets increase. Blockchain companies typically face intense competition and potentially rapid product obsolescence. In addition, many Blockchain companies store sensitive consumer information and could be the target of cybersecurity attacks and other types of theft, which could have a negative impact on these companies. Access to a given blockchain may require a specific cryptographic key (in effect a string of characters granting unique access to initiate transactions related to specific digital assets) or set of keys, the theft, loss, or destruction of which, either by accident or as a result of the efforts of a third party, could irrevocably impair a claim to the digital assets stored on that blockchain. Many Blockchain companies currently operate under less regulatory scrutiny than traditional financial services companies and banks, but there is significant risk that regulatory oversight could increase in the future. Higher levels of regulation could increase costs and adversely impact the current business models of some Blockchain companies. For example, restrictions imposed by foreign governments, including China, on the use and mining of digital assets, may adversely impact Blockchain Companies and in turn the Fund. These companies could be negatively impacted by disruptions in service caused by hardware or software failure, or by interruptions or delays in service by third-party data center hosting facilities and maintenance providers. Blockchain companies involved in digital assets may face slow adoption rates and be subject to higher levels of regulatory scrutiny in the future, which could severely impact the viability of these companies. Blockchain companies, especially smaller companies, tend to be more volatile than companies that do not rely heavily on technology. The customers and/or suppliers of Blockchain companies may be concentrated in a particular country, region or industry. Any adverse event affecting one of these countries, regions or industries could have a negative impact on Blockchain companies.
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| GraniteShares 2x Long RIVN Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long RIVN Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock has a limited operating history and a history of losses and is expected to incur significant expenses and continuing losses for the foreseeable future. The Underlying Stock’s management may underestimate or not effectively manage the capital expenditures and costs associated with the business and operations, which could have a material and adverse effect on the business, prospects, financial condition, results of operations, and cash flows. The Underlying Stock may require additional financing to support its business, which may not be available in a timely manner or on terms that are acceptable, or at all. The Underlying Stock’s management ability to develop and manufacture vehicles of sufficient quality and appeal to customers on schedule and on a large scale is unproven, and it has experienced, and may in the future experience, significant delays in the manufacture and delivery of its vehicles, which could harm the business, prospects, financial condition, results of operations, and cash flows. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long RIVN Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from November 9, 2021 (the Underlying Stock’s IPO date) to August 31, 2026, was 79.69%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 101.90% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was -28.00%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long RIVN Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long RIVN Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long RIVN Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long RIVN Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long RIVN Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long RIVN Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long RIVN Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long RIVN Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long RIVN Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long RIVN Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long RIVN Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long RIVN Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long RIVN Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long RIVN Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long RIVN Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long RIVN Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long RIVN Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long RIVN Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long RIVN Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long RIVN Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short RIVN Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short RIVN Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock has a limited operating history and a history of losses and is expected to incur significant expenses and continuing losses for the foreseeable future. The Underlying Stock’s management may underestimate or not effectively manage the capital expenditures and costs associated with the business and operations, which could have a material and adverse effect on the business, prospects, financial condition, results of operations, and cash flows. The Underlying Stock may require additional financing to support its business, which may not be available in a timely manner or on terms that are acceptable, or at all. The Underlying Stock’s management ability to develop and manufacture vehicles of sufficient quality and appeal to customers on schedule and on a large scale is unproven, and it has experienced, and may in the future experience, significant delays in the manufacture and delivery of its vehicles, which could harm the business, prospects, financial condition, results of operations, and cash flows. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short RIVN Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from November 9, 2021 (the Underlying Stock’s IPO date) to August 31, 2026, was 79.69%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 101.90% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was -28.00%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short RIVN Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short RIVN Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short RIVN Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short RIVN Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short RIVN Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short RIVN Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short RIVN Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short RIVN Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short RIVN Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short RIVN Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods.
Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short RIVN Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short RIVN Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short RIVN Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short RIVN Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short RIVN Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short RIVN Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short RIVN Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short RIVN Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short RIVN Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short RIVN Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short RIVN Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short RIVN Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock has a limited operating history and a history of losses and is expected to incur significant expenses and continuing losses for the foreseeable future. The Underlying Stock’s management may underestimate or not effectively manage the capital expenditures and costs associated with the business and operations, which could have a material and adverse effect on the business, prospects, financial condition, results of operations, and cash flows. The Underlying Stock may require additional financing to support its business, which may not be available in a timely manner or on terms that are acceptable, or at all. The Underlying Stock’s management ability to develop and manufacture vehicles of sufficient quality and appeal to customers on schedule and on a large scale is unproven, and it has experienced, and may in the future experience, significant delays in the manufacture and delivery of its vehicles, which could harm the business, prospects, financial condition, results of operations, and cash flows. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short RIVN Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate from November 9, 2021 (the Underlying Stock’s IPO date) to August 31, 2026, was 79.69%. During the period observed the Underlying Stock’s highest volatility rate over a 12-month period was 101.90% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the period considered was -28.00%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short RIVN Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short RIVN Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short RIVN Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short RIVN Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short RIVN Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short RIVN Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short RIVN Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short RIVN Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short RIVN Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short RIVN Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods.
Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short RIVN Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short RIVN Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short RIVN Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short RIVN Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short RIVN Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short RIVN Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short RIVN Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short RIVN Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short RIVN Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short RIVN Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SBUX Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long SBUX Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer discretionary industry. Consumer discretionary companies are subject to many risks that can negatively impact their revenue and viability including, but are not limited to overall domestic and global economy, interest rates, competition and consumer confidence. Success depends heavily on disposable household income and consumer spending. Also, companies in the consumer discretionary sector may be subject to severe competition, which may have an adverse impact on their respective profitability. Changes in demographics and consumer tastes can also affect the demand for, and success of, consumer products and services in the marketplace. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long SBUX Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 32.32%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 44.49% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.37%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long SBUX Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long SBUX Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SBUX Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long SBUX Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long SBUX Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long SBUX Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long SBUX Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long SBUX Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long SBUX Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long SBUX Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long SBUX Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long SBUX Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long SBUX Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long SBUX Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long SBUX Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long SBUX Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long SBUX Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long SBUX Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long SBUX Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long SBUX Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long SMCI Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long SMCI Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Long SMCI Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 90.19%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 122.64% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 58.27%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long SMCI Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 150% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 150% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long SMCI Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SMCI Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long SMCI Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long SMCI Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long SMCI Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long SMCI Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long SMCI Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long SMCI Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long SMCI Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long SMCI Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long SMCI Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long SMCI Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long SMCI Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long SMCI Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long SMCI Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long SMCI Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long SMCI Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long SMCI Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long SMCI Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short SMCI Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short SMCI Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the software and information technology industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel.
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| GraniteShares 2x Short SMCI Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 90.19%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 122.64% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 58.27%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short SMCI Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short SMCI Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short SMCI Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short SMCI Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short SMCI Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short SMCI Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short SMCI Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short SMCI Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short SMCI Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short SMCI Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short SMCI Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short SMCI Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short SMCI Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short SMCI Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short SMCI Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short SMCI Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short SMCI Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short SMCI Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short SMCI Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short SMCI Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SNAP Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long SNAP Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the social media industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to add and retain users of its social media products, government restrictions and enforcement actions, security breaches, its ability to enforce its intellectual property rights and increased competition in the social and digital media space. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long SNAP Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 77.33%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 118.82% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -40.46%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long SNAP Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long SNAP Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SNAP Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long SNAP Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long SNAP Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long SNAP Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long SNAP Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long SNAP Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long SNAP Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long SNAP Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long SNAP Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long SNAP Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long SNAP Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long SNAP Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long SNAP Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long SNAP Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long SNAP Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long SNAP Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long SNAP Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long SNAP Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long SNOW Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long SNOW Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the microprocessor market, reliance on third-party manufacturers, the company’s ability to new develop new products, losses of significant customers, changes in customer demand for its products, risks associated with defective products political, legal and economic risks affecting the company’s global operations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long SNOW Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 62.90%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 83.64% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 1.94%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long SNOW Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 150% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 150% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long SNOW Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SNOW Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long SNOW Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long SNOW Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long SNOW Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long SNOW Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long SNOW Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long SNOW Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long SNOW Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long SNOW Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long SNOW Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long SNOW Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long SNOW Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long SNOW Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long SNOW Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long SNOW Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long SNOW Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long SNOW Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long SNOW Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long SpaceX Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long SpaceX Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Fund’s performance depends on the performance of the Underlying Stock. The price of Underlying Stock can be affected by a number of factors. Investing in the Underlying Stock involves a high degree of risk. The Company operates in a rapidly changing and highly competitive industry.
The Company’s launch services business of space vehicles is subject to significant operational, technical, and regulatory risks inherent in the aerospace and space industries, including the risk of launch vehicle failure, loss of payload, damage to third parties, and regulatory grounding of vehicles following anomalies. Any such events could result in significant financial losses, reputational harm, and regulatory consequences that adversely affect the Company’s business. Starlink operates in a highly competitive and rapidly evolving market for satellite broadband services.
The Company faces competition from established telecommunications providers and emerging low earth orbit satellite operators. Starlink’s operations are subject to radio frequency spectrum allocation and coordination requirements administered by the Federal Communications Commission and international regulatory bodies. Changes in spectrum policy, orbital debris regulations, or licensing requirements could adversely affect Starlink’s operations and expansion plans.
In February 2026, the Company completed an all-stock merger with xAI, fundamentally transforming the Company from a launch and satellite business into a combined aerospace, satellite broadband, social media, and artificial intelligence conglomerate. Whether SpaceXAI becomes a meaningful revenue contributor or a sustained drag on the Company’s financial condition is uncertain and cannot be predicted. Adverse outcomes of regulatory investigations into xAI’s products in multiple jurisdictions, the failure to demonstrate revenue synergies from the merger, or the inability to attract or retain AI talent could have a material negative impact on the Company’s combined business and valuation.
A significant portion of the Company’s revenue is derived from contracts with U.S. government agencies, including NASA and the Department of Defense. These contracts are subject to modification, termination, or non-renewal at the government’s discretion and may be affected by changes in government policy, budgetary constraints, or political developments. Any reduction in the Company’s government business could have a material adverse effect on the Company’s revenues and financial condition. The Company also holds the NSSL Phase 3 Lane 2 contract valued at approximately $5.9 billion for 28 anticipated missions and has received cumulative U.S. federal contracts exceeding $24 billion since 2008. Any policy change, budget reduction, or political development affecting these programs could have a material adverse effect on the Company’s revenues.
The Company has a dual-class share structure under which Elon Musk controls 85.1% of the Underlying Stock’s voting power through a dual-class share structure combining his 12.3% common stake with a 93.6% holding in Class B super-voting shares, each carrying ten votes. As a result, public shareholders will have no meaningful ability to influence major corporate decisions, including mergers, acquisitions, executive compensation, the election of directors, or strategic pivots. The Company will be a ‘controlled company’ under Nasdaq listing rules, meaning it is exempt from certain corporate governance requirements that would otherwise apply to listed companies. The concentration of voting control in Elon Musk means that his personal views, business interests, or actions — including his roles at Tesla, The Boring Company and Neuralink — could materially influence the Underlying Stock’s strategic direction regardless of the preferences of other shareholders.
Musk’s simultaneous roles at Tesla, The Boring Company and Neuralink represent extraordinary key-person risk. Any departure, incapacitation, or regulatory sanction against Musk directly threatens NASA, Department of Defense, and commercial contracts that require CEO stability. The Underlying Stock’s NASA and Department of Defense contracts, which collectively represent approximately $5.9 billion in 2025 government revenue, may contain provisions requiring continuity of key management or may be subject to renegotiation if senior leadership changes materially.
The Mars colonization narrative, heavy-lift capability, and Starlink Gen 2 satellite deployment all depend on Starship achieving regular, reliable flight. A launch failure, regulatory grounding, or sustained technical setback affecting Starship could materially impair the Company’s ability to execute its stated business strategy and could adversely affect the market price of the Underlying Stock.
Starlink faces accelerating competition from low Earth orbit satellite operators. Increased competition may compress Starlink’s average revenue per user and subscriber growth rates, adversely affecting the Company’s financial performance.
Any of these factors may materially and adversely impact the price of the Underlying Stock shares, increase volatility, and negatively impact the performance of the Fund.
The Underlying Stock commenced its initial public offering (“IPO”) on June 12, 2026. Although the Underlying Stock now has a trading history, it remains a relatively recently listed security and may be subject to elevated volatility compared to stocks with longer public trading histories. The price of the Underlying Stock shares could continue to be volatile and could decline in value significantly in the future. Any of these factors may materially and adversely impact the price of the Underlying Stock, increase the volatility of an investment in the Underlying Stock and have a negative impact on the performance of the Fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leverage daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leverage daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock commenced its IPO on June 12, 2026 and has a limited trading history. As of the date of this prospectus, the Underlying Stock does not have an extended track record of historical performance or daily volatility as a publicly traded security. Accordingly, no annualized performance or volatility data is available for prior years. The trading price of the Underlying Stock is likely to be volatile compared to the market. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long SpaceX Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long SpaceX Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines by more than 50%. Leverage will also have the effect of magnifying any differences in the Fund’s performance correlation with the Underlying Stock.
Due to the limited availability of necessary investments or financial instruments, the Fund could, among other things, as a defensive measure, limit or suspend creations or redemptions of Creation Units until the adviser determines that the requisite exposure to the Underlying Stock is obtainable. During the period that creations or redemptions are affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long SpaceX Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long SpaceX Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long SpaceX Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long SpaceX Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects.
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| GraniteShares 2x Long SpaceX Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long SpaceX Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long SpaceX Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long SpaceX Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long SpaceX Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long SpaceX Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long SpaceX Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long SpaceX Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long SpaceX Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long SpaceX Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long SpaceX Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long SpaceX Daily ETF | Aerospace and Defense Industry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Aerospace and Defense Industry Risk: The Fund’s investment exposure is concentrated in the aerospace and defense industry. Companies in this industry are subject to significant operational, technical, and regulatory risks, including launch vehicle failures, loss of payload, damage to third parties, and regulatory grounding of vehicles following anomalies. The industry is heavily dependent on U.S. government contracts, which are subject to modification, termination, or non-renewal at the government’s discretion and may be adversely affected by changes in government policy, defense budget appropriations, or geopolitical developments. Aerospace and defense companies face intense competition from both established domestic competitors and foreign state-sponsored launch providers. The industry is subject to extensive regulatory oversight by the Federal Aviation Administration, the Department of Defense, and export control authorities, including the International Traffic in Arms Regulations. Adverse developments in any of these areas could materially and adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Satellite Communications Industry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Satellite Communications Industry Risk: The Fund’s investment exposure is concentrated in the satellite communications industry. Companies in this industry operate in a highly competitive and rapidly evolving market for broadband connectivity services, facing competition from established terrestrial telecommunications providers, emerging low Earth orbit satellite operators, and foreign state-sponsored constellation programs. Satellite communications companies are subject to radio frequency spectrum allocation and coordination requirements administered by the Federal Communications Commission and international regulatory bodies; changes in spectrum policy, orbital debris regulations, or licensing requirements could adversely affect operations and expansion plans. The industry requires substantial and continuous capital expenditure to manufacture, launch, and maintain satellite constellations, and revenues may be adversely affected by subscriber churn, pricing pressure, and the emergence of competing technologies such as direct-to-device terrestrial networks. Any sustained decline in satellite broadband demand or increase in competitive intensity could materially adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Social MediaI ndustry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Social Media Industry Risk: The Fund’s investment exposure is concentrated in the social media industry. Social media companies are subject to extensive and rapidly evolving regulatory scrutiny across multiple jurisdictions, including privacy and data protection laws, content moderation requirements, algorithmic transparency obligations, and antitrust investigations. Advertising revenue, which constitutes a significant portion of social media revenue, is highly cyclical and sensitive to macroeconomic conditions, changes in advertiser sentiment, and the emergence of competing platforms. Social media companies face significant reputational risks arising from user-generated content, misinformation, and platform moderation decisions, any of which could result in advertiser boycotts, regulatory sanctions, or user attrition. The industry is subject to litigation risk arising from intellectual property disputes, privacy violations, and content liability claims. User engagement metrics are subject to rapid change, and the loss of active users or failure to attract younger demographics could materially and adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Long SpaceX Daily ETF | Artificial Intelligence Infrastructure Industry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Artificial Intelligence Infrastructure Industry Risk: The Fund’s investment exposure is concentrated in the artificial intelligence infrastructure industry. Companies in this industry are engaged in the development, training, and deployment of large-scale artificial intelligence models and the construction and operation of the data center infrastructure required to support them, both of which are capital-intensive activities with uncertain and long-dated returns. AI infrastructure companies face significant execution risk, including the risk of cost overruns, GPU supply constraints, and rapid obsolescence of hardware investments. The industry is subject to regulatory investigations and potential restrictions in multiple jurisdictions relating to AI safety, data privacy, deepfake technologies, and algorithmic bias. Competition among AI model developers is intense, and market share can shift rapidly in response to technological advances by competitors. The failure to achieve commercial traction for AI products, or adverse regulatory outcomes, could result in significant financial losses that materially and adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short SpaceX Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The Fund’s performance depends on the performance of the Underlying Stock. The price of Underlying Stock can be affected by a number of factors. Investing in the Underlying Stock involves a high degree of risk. The Company operates in a rapidly changing and highly competitive industry.
The Company’s launch services business of space vehicles is subject to significant operational, technical, and regulatory risks inherent in the aerospace and space industries, including the risk of launch vehicle failure, loss of payload, damage to third parties, and regulatory grounding of vehicles following anomalies. Any such events could result in significant financial losses, reputational harm, and regulatory consequences that adversely affect the Company’s business. Starlink operates in a highly competitive and rapidly evolving market for satellite broadband services.
The Company faces competition from established telecommunications providers and emerging low earth orbit satellite operators. Starlink’s operations are subject to radio frequency spectrum allocation and coordination requirements administered by the Federal Communications Commission and international regulatory bodies. Changes in spectrum policy, orbital debris regulations, or licensing requirements could adversely affect Starlink’s operations and expansion plans.
In February 2026, the Company completed an all-stock merger with xAI, fundamentally transforming the Company from a launch and satellite business into a combined aerospace, satellite broadband, social media, and artificial intelligence conglomerate. Whether SpaceXAI becomes a meaningful revenue contributor or a sustained drag on the Company’s financial condition is uncertain and cannot be predicted. Adverse outcomes of regulatory investigations into xAI’s products in multiple jurisdictions, the failure to demonstrate revenue synergies from the merger, or the inability to attract or retain AI talent could have a material negative impact on the Company’s combined business and valuation.
A significant portion of the Company’s revenue is derived from contracts with U.S. government agencies, including NASA and the Department of Defense. These contracts are subject to modification, termination, or non-renewal at the government’s discretion and may be affected by changes in government policy, budgetary constraints, or political developments. Any reduction in the Company’s government business could have a material adverse effect on the Company’s revenues and financial condition. The Company also holds the NSSL Phase 3 Lane 2 contract valued at approximately $5.9 billion for 28 anticipated missions and has received cumulative U.S. federal contracts exceeding $24 billion since 2008. Any policy change, budget reduction, or political development affecting these programs could have a material adverse effect on the Company’s revenues.
The Company has a dual-class share structure under which Elon Musk controls 85.1% of the Underlying Stock’s voting power through a dual-class share structure combining his 12.3% common stake with a 93.6% holding in Class B super-voting shares, each carrying ten votes. As a result, public shareholders will have no meaningful ability to influence major corporate decisions, including mergers, acquisitions, executive compensation, the election of directors, or strategic pivots. The Company will be a ‘controlled company’ under Nasdaq listing rules, meaning it is exempt from certain corporate governance requirements that would otherwise apply to listed companies. The concentration of voting control in Elon Musk means that his personal views, business interests, or actions — including his roles at Tesla, The Boring Company and Neuralink — could materially influence the Underlying Stock’s strategic direction regardless of the preferences of other shareholders.
Musk’s simultaneous roles at Tesla, The Boring Company and Neuralink represent extraordinary key-person risk. Any departure, incapacitation, or regulatory sanction against Musk directly threatens NASA, Department of Defense, and commercial contracts that require CEO stability. The Underlying Stock’s NASA and Department of Defense contracts, which collectively represent approximately $5.9 billion in 2025 government revenue, may contain provisions requiring continuity of key management or may be subject to renegotiation if senior leadership changes materially.
The Mars colonization narrative, heavy-lift capability, and Starlink Gen 2 satellite deployment all depend on Starship achieving regular, reliable flight. A launch failure, regulatory grounding, or sustained technical setback affecting Starship could materially impair the Company’s ability to execute its stated business strategy and could adversely affect the market price of the Underlying Stock.
Starlink faces accelerating competition from low Earth orbit satellite operators. Increased competition may compress Starlink’s average revenue per user and subscriber growth rates, adversely affecting the Company’s financial performance.
Any of these factors may materially and adversely impact the price of the Underlying Stock shares, increase volatility, and negatively impact the performance of the Fund.
The Underlying Stock commenced its initial public offering (“IPO”) on June 12, 2026. Although the Underlying Stock now has a trading history, it remains a relatively recently listed security and may be subject to elevated volatility compared to stocks with longer public trading histories. The price of the Underlying Stock shares could continue to be volatile and could decline in value significantly in the future. Any of these factors may materially and adversely impact the price of the Underlying Stock, increase the volatility of an investment in the Underlying Stock and have a negative impact on the performance of the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock commenced its IPO on June 12, 2026 and has a limited trading history. As of the date of this prospectus, the Underlying Stock does not have an extended track record of historical performance or daily volatility as a publicly traded security. Accordingly, no annualized performance or volatility data is available for prior years. The trading price of the Underlying Stock is likely to be volatile compared to the market. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short SpaceX Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short SpaceX Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short SpaceX Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short SpaceX Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short SpaceX Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short SpaceX Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects.
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| GraniteShares 2x Short SpaceX Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short SpaceX Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short SpaceX Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short SpaceX Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short SpaceX Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short SpaceX Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short SpaceX Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short SpaceX Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short SpaceX Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short SpaceX Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short SpaceX Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short SpaceX Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases by more than 50%.
Due to the limited availability of necessary investments or financial instruments, the Fund could, among other things, as a defensive measure, limit or suspend creations or redemptions of Creation Units until the adviser determines that the requisite exposure to the underlying Stock is obtainable. During the period that creations or redemptions are affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Aerospace and Defense Industry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Aerospace and Defense Industry Risk: The Fund’s investment exposure is concentrated in the aerospace and defense industry. Companies in this industry are subject to significant operational, technical, and regulatory risks, including launch vehicle failures, loss of payload, damage to third parties, and regulatory grounding of vehicles following anomalies. The industry is heavily dependent on U.S. government contracts, which are subject to modification, termination, or non-renewal at the government’s discretion and may be adversely affected by changes in government policy, defense budget appropriations, or geopolitical developments. Aerospace and defense companies face intense competition from both established domestic competitors and foreign state-sponsored launch providers. The industry is subject to extensive regulatory oversight by the Federal Aviation Administration, the Department of Defense, and export control authorities, including the International Traffic in Arms Regulations. Adverse developments in any of these areas could materially and adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Satellite Communications Industry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Satellite Communications Industry Risk: The Fund’s investment exposure is concentrated in the satellite communications industry. Companies in this industry operate in a highly competitive and rapidly evolving market for broadband connectivity services, facing competition from established terrestrial telecommunications providers, emerging low Earth orbit satellite operators, and foreign state-sponsored constellation programs. Satellite communications companies are subject to radio frequency spectrum allocation and coordination requirements administered by the Federal Communications Commission and international regulatory bodies; changes in spectrum policy, orbital debris regulations, or licensing requirements could adversely affect operations and expansion plans. The industry requires substantial and continuous capital expenditure to manufacture, launch, and maintain satellite constellations, and revenues may be adversely affected by subscriber churn, pricing pressure, and the emergence of competing technologies such as direct-to-device terrestrial networks. Any sustained decline in satellite broadband demand or increase in competitive intensity could materially adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Social MediaI ndustry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Social Media Industry Risk: The Fund’s investment exposure is concentrated in the social media industry. Social media companies are subject to extensive and rapidly evolving regulatory scrutiny across multiple jurisdictions, including privacy and data protection laws, content moderation requirements, algorithmic transparency obligations, and antitrust investigations. Advertising revenue, which constitutes a significant portion of social media revenue, is highly cyclical and sensitive to macroeconomic conditions, changes in advertiser sentiment, and the emergence of competing platforms. Social media companies face significant reputational risks arising from user-generated content, misinformation, and platform moderation decisions, any of which could result in advertiser boycotts, regulatory sanctions, or user attrition. The industry is subject to litigation risk arising from intellectual property disputes, privacy violations, and content liability claims. User engagement metrics are subject to rapid change, and the loss of active users or failure to attract younger demographics could materially and adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Short SpaceX Daily ETF | Artificial Intelligence Infrastructure Industry Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Artificial Intelligence Infrastructure Industry Risk: The Fund’s investment exposure is concentrated in the artificial intelligence infrastructure industry. Companies in this industry are engaged in the development, training, and deployment of large-scale artificial intelligence models and the construction and operation of the data center infrastructure required to support them, both of which are capital-intensive activities with uncertain and long-dated returns. AI infrastructure companies face significant execution risk, including the risk of cost overruns, GPU supply constraints, and rapid obsolescence of hardware investments. The industry is subject to regulatory investigations and potential restrictions in multiple jurisdictions relating to AI safety, data privacy, deepfake technologies, and algorithmic bias. Competition among AI model developers is intense, and market share can shift rapidly in response to technological advances by competitors. The failure to achieve commercial traction for AI products, or adverse regulatory outcomes, could result in significant financial losses that materially and adversely affect the Underlying Stock and the performance of the Fund.
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| GraniteShares 2x Long SPOT Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long SPOT Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the digital music streaming and entertainment industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by the company’s ability to attract and retain subscribers and free users, licensing agreements with music labels and content creators, competition from other music streaming and entertainment platforms, advertising revenue trends, expansion into podcasts and audiobooks, and government regulations affecting digital media and streaming services. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long SPOT Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 48.52%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 67.71% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 17.92%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long SPOT Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long SPOT Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long SPOT Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long SPOT Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long SPOT Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long SPOT Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long SPOT Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long SPOT Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long SPOT Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long SPOT Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long SPOT Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long SPOT Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long SPOT Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long SPOT Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long SPOT Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long SPOT Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long SPOT Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long SPOT Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long SPOT Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long SPOT Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1.25x Long TSLA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1.25x Long TSLA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by company’s ability to develop and launch new products, the growth of its sales and delivery capabilities, part supplier constraints or delays, consumer demand for electric vehicles and competition from existing and competitors. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1.25x Long TSLA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 1.25 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 0.9% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 14.1% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 125% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 125% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 60.73%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 75.92% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.50%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1.25x Long TSLA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 125% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 125% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1.25x Long TSLA Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 1.25% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 80%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 1.25x Long TSLA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1.25x Long TSLA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 1.25x Long TSLA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 1.25x Long TSLA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1.25x Long TSLA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1.25x Long TSLA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1.25x Long TSLA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1.25x Long TSLA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1.25x Long TSLA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1.25x Long TSLA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1.25x Long TSLA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1.25x Long TSLA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 1.25 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1.25x Long TSLA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1.25x Long TSLA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1.25x Long TSLA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 1.25x Long TSLA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1.25x Long TSLA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1.25x Long TSLA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1.25x Long TSLA Daily ETF | Automotive Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Automotive Company Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The automotive sector industry can be highly cyclical, and companies in the industry may suffer periodic operating losses. Automotive companies can be significantly affected by labor relations and fluctuating component prices. Developments in automotive technologies (e.g., autonomous vehicle technologies) may require significant capital expenditures that may not generate profits for several years, if ever. Automotive companies may be significantly subject to government policies and regulations regarding imports and exports of automotive products. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. While most of the major automotive manufacturers are large companies, certain others may be non-diversified in both product line and customer base and may be more vulnerable to certain events that may negatively impact the automotive industry.
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| GraniteShares 2x Long TSLA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long TSLA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by company’s ability to develop and launch new products, the growth of its sales and delivery capabilities, part supplier constraints or delays, consumer demand for electric vehicles and competition from existing and competitors. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long TSLA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 60.73%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 75.92% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.50%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long TSLA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 175% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long TSLA Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long TSLA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long TSLA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long TSLA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long TSLA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long TSLA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long TSLA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long TSLA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long TSLA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long TSLA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long TSLA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long TSLA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long TSLA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long TSLA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long TSLA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long TSLA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long TSLA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long TSLA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long TSLA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short TSLA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short TSLA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock objectives may be affected by Tesla Inc’s ability to develop and launch new products, the growth of its sales and delivery capabilities, part supplier constraints or delays, consumer demand for electric vehicles and competition from existing and competitors. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short TSLA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 8.4% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 60.73%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 75.92% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.50%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short TSLA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short TSLA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short TSLA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short TSLA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short TSLA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short TSLA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short TSLA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short TSLA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short TSLA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short TSLA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short TSLA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short TSLA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short TSLA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -1 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short TSLA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short TSLA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short TSLA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short TSLA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short TSLA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short TSLA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short TSLA Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short TSLA Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short TSLA Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to risks of the automotive sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock objectives may be affected by Tesla Inc’s ability to develop and launch new products, the growth of its sales and delivery capabilities, part supplier constraints or delays, consumer demand for electric vehicles and competition from existing and competitors. Governmental policies affecting the automotive industry, such as taxes, tariffs, duties, subsidies, and import and export restrictions on automotive products can influence industry profitability. In addition, such companies must comply with environmental laws and regulations, for which there may be severe consequences for non-compliance. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short TSLA Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance.
The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 60.73%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 75.92% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 8.50%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short TSLA Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short TSLA Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short TSLA Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short TSLA Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short TSLA Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short TSLA Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short TSLA Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short TSLA Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short TSLA Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short TSLA Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short TSLA Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short TSLA Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short TSLA Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short TSLA Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short TSLA Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short TSLA Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short TSLA Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short TSLA Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short TSLA Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short TSLA Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long TSM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long TSM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long TSM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 38.99%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 47.55% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 30.17%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long TSM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long TSM Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long TSM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long TSM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long TSM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long TSM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long TSM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long TSM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long TSM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long TSM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long TSM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long TSM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long TSM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long TSM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long TSM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long TSM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long TSM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long TSM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long TSM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long TSM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long TSM Daily ETF | Taiwan Investing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Taiwan Investing Risk: Securities of issuers in Taiwan are subject to risks, including, but not limited to, legal, regulatory, political, currency and economic risks that are specific to Taiwan. Specifically, Taiwan’s geographic proximity and history of political contention with China have resulted in ongoing tensions between the two countries, which may materially affect the Taiwanese companies. Securities of Taiwanese companies are subject to Taiwan’s heavy dependence on exports. Reductions in spending on Taiwanese products and services, labor shortages, institution of tariffs or other trade barriers, or a downturn in any of the economies of Taiwan’s key trading partners, including the United States, may have an adverse impact on the Taiwanese economy and the values of Taiwanese companies.
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| GraniteShares 2x Short TSM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short TSM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the semiconductor industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by global markets and demand for its products and services, its ability to develop new products and services, inventory levels, supply chain issues, the performance of third-party software developers, system and network failures, privacy and cybersecurity breaches and changes in international and government regulations. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability. Additionally, companies in the information technology industry may face dramatic and often unpredictable changes in growth rates and competition for the services of qualified personnel. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short TSM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 38.99%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 47.55% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 30.17%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short TSM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short TSM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short TSM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short TSM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short TSM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short TSM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short TSM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short TSM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short TSM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short TSM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short TSM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short TSM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short TSM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short TSM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short TSM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short TSM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short TSM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short TSM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short TSM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short TSM Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short TSM Daily ETF | Taiwan Investing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Taiwan Investing Risk– Securities of issuers in Taiwan are subject to risks, including, but not limited to, legal, regulatory, political, currency and economic risks that are specific to Taiwan. Specifically, Taiwan’s geographic proximity and history of political contention with China have resulted in ongoing tensions between the two countries, which may materially affect the Taiwanese companies. Securities of Taiwanese companies are subject to Taiwan’s heavy dependence on exports. Reductions in spending on Taiwanese products and services, labor shortages, institution of tariffs or other trade barriers, or a downturn in any of the economies of Taiwan’s key trading partners, including the United States, may have an adverse impact on the Taiwanese economy and the values of Taiwanese companies.
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| GraniteShares 2x Long UBER Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long UBER Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by company’s ability to attract and maintain a certain level of drivers and consumers, its success in investing in new technologies and services, the potential classification of its drivers as employees, changes in the conditions affecting major markets, cyberattacks, its ability to receive additional working capital, governmental regulation changes and risks of legal proceeding The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long UBER Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 45.99%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 66.67% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 13.24%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long UBER Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long UBER Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long UBER Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long UBER Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy.
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| GraniteShares 2x Long UBER Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
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| GraniteShares 2x Long UBER Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long UBER Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long UBER Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] |
Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long UBER Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long UBER Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long UBER Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long UBER Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long UBER Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long UBER Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long UBER Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long UBER Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long UBER Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long UBER Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long UBER Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long UBER Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long UBER Daily ETF | On Demand Business And Technology Services Company Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | On-Demand Business and Technology Services Company Risk: On-demand business and technology services are a relatively new and are subject to risks associated with a developing industry including limited product lines, markets, and financial resources as well as challenges to scalability of production. There is no guarantee that the products or services offered by companies in this business will be successful. Companies engaged in design, production or distribution of goods or services for the media industry may become quickly obsolete. They are subject to risks that include cyclicality of revenues and earnings, a decrease in the discretionary income of targeted individuals, changing consumer tastes and interests, intense competition, frequent new service introductions, loss or impairment of intellectual property rights, and the potential for increased government regulation. The business models employed by companies in the on-demand industry may not prove to be successful. These companies may also be susceptible to operational and information security risks including those associated with hardware or software failures, interruptions, or delays in service by third party vendors. Additionally, because on-demand companies typically collect and store sensitive consumer information, these companies are potential targets for cybersecurity attacks and other types of theft, and may face scrutiny from regulators considering how consumer data is stored, safeguarded, and used, which could have a negative impact on these companies.
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| GraniteShares 2x Long UNH Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long UNH Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the health care industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to extensive government regulation and its profitability can be significantly affected by restrictions on government reimbursement for medical expenses, rising costs of medical products and services, pricing pressure (including price discounting), limited product lines and an increased emphasis on the delivery of healthcare through outpatient services. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long UNH Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 32.61%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 52.72% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 0.37%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long UNH Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to the Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of the Underlying Stock. Any of these factors could decrease the correlation between the performance of the Fund and the Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long UNH Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long UNH Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long UNH Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long UNH Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long UNH Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long UNH Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long UNH Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long UNH Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long UNH Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long UNH Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long UNH Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long UNH Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long UNH Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long UNH Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long UNH Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long UNH Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long UNH Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long UNH Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long UNH Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long VRT Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long VRT Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the industrial machinery industry. Availability and prices of raw materials, components, products and services from third-party suppliers, and such suppliers’ ability to timely deliver the quantities and quality required at reasonable prices could have a material adverse effect on our company, its prospects and financial performance. Worldwide economic conditions could have an effect on the demand for our company’s services and products and could result in declining revenue and earnings. General economic declines or a softening of the economy make it more likely that our company may experience difficulties collecting accounts receivable, sales and demand for our company’s products may decrease, and our company’s operating results may be adversely affected. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long VRT Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 64.81%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 77.62% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 55.75%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long VRT Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long VRT Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long VRT Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long VRT Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long VRT Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long VRT Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long VRT Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long VRT Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] |
Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long VRT Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long VRT Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long VRT Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| GraniteShares 2x Long VRT Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long VRT Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long VRT Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long VRT Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long VRT Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long VRT Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long VRT Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long VRT Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long VRT Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long WMT Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long WMT Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the consumer staples industry. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to government regulation affecting its products which may negatively impact such the company’ performance. For instance, government regulations may affect the permissibility of using various food additives and production methods of companies that make food products, which could affect company profitability. Tobacco companies may be adversely affected by the adoption of proposed legislation and/or by litigation. Also, the success of food, beverage, household and personal product companies may be strongly affected by consumer interest, marketing campaigns and other factors affecting supply and demand, including performance of the overall domestic and global economy, interest rates, competition and consumer confidence and spending. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long WMT Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate daily leverage returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 22.75%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 27.65% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 17.78%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long WMT Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long WMT Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long WMT Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long WMT Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long WMT Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily performance for the Fund.
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| GraniteShares 2x Long WMT Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long WMT Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long WMT Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long WMT Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long WMT Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long WMT Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long WMT Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long WMT Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long WMT Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long WMT Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long WMT Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long WMT Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long WMT Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long WMT Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long WMT Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Long XOM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long XOM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the energy sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock’s operations and earnings may be significantly affected by changes in oil, gas, and petrochemical prices and by changes in margins on refined products. The underlying Stock’s ability to maintain and grow oil and gas production and its derivative products rely on its management to operate effectively and safely complex operational processes. The Underlying Stock performance can be adversely affected by political or regulatory developments. Government actions intended to reduce greenhouse gas emissions could negatively affect the Underlying Stock’s performances, make its hydrocarbon-based products more expensive or less competitive, lengthen project implementation times, and reduce demand for hydrocarbons, as well as shift hydrocarbon demand toward relatively lower-carbon alternatives. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Long XOM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the leveraged daily returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 27.07%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 35.83% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 28.96%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long XOM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long XOM Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long XOM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long XOM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long XOM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Long XOM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long XOM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long XOM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] |
Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long XOM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long XOM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long XOM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long XOM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long XOM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long XOM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions. The Fund may be required to deviate from its investment objective as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long XOM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long XOM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long XOM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long XOM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long XOM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long XOM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short XOM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 1x Short XOM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the energy sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock’s operations and earnings may be significantly affected by changes in oil, gas, and petrochemical prices and by changes in margins on refined products. The underlying Stock’s ability to maintain and grow oil and gas production and its derivative products rely on its management to operate effectively and safely complex operational processes. The Underlying Stock performance can be adversely affected by political or regulatory developments. Government actions intended to reduce greenhouse gas emissions could negatively affect the Underlying Stock’s performances, make its hydrocarbon-based products more expensive or less competitive, lengthen project implementation times, and reduce demand for hydrocarbons, as well as shift hydrocarbon demand toward relatively lower-carbon alternatives. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 1x Short XOM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 63.5% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -100% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -100% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 27.07%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 35.83% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 28.96%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 1x Short XOM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -100% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -100% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 1x Short XOM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 1x Short XOM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 1x Short XOM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 1x Short XOM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 1x Short XOM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 1x Short XOM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 1x Short XOM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 1x Short XOM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 1x Short XOM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 1x Short XOM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 1x Short XOM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 1x Short XOM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate the inverse daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 1x Short XOM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 1x Short XOM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 1x Short XOM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 1x Short XOM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 1x Short XOM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 1x Short XOM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 1x Short XOM Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 100%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Short XOM Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Short XOM Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Underlying Stock Risk: The performance of the Underlying Stock, and consequently the Fund’s performance, is subject to the risks of the energy sector. The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock’s operations and earnings may be significantly affected by changes in oil, gas, and petrochemical prices and by changes in margins on refined products. The underlying Stock’s ability to maintain and grow oil and gas production and its derivative products rely on its management to operate effectively and safely complex operational processes. The Underlying Stock performance can be adversely affected by political or regulatory developments. Government actions intended to reduce greenhouse gas emissions could negatively affect the Underlying Stock’s performances, make its hydrocarbon-based products more expensive or less competitive, lengthen project implementation times, and reduce demand for hydrocarbons, as well as shift hydrocarbon demand toward relatively lower-carbon alternatives. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
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| GraniteShares 2x Short XOM Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily inverse returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate inverse daily returns. For a Fund aiming to replicate the inverse performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 17.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Inverse Fund would be expected to lose 95.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Inverse Fund can be expected to return less than -200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than -200% of the performance of the Underlying Stock. The Inverse Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 27.07%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 35.83% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was 28.96%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Short XOM Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from -200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with the Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with the Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect -200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Short XOM Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Short XOM Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Short XOM Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily inverse performance for the Fund.
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| GraniteShares 2x Short XOM Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Short XOM Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Short XOM Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Short XOM Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Short XOM Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Short XOM Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Short XOM Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Short XOM Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Short XOM Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate -2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Short XOM Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Short XOM Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Short XOM Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” above.
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| GraniteShares 2x Short XOM Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Short XOM Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Short XOM Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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| GraniteShares 2x Short XOM Daily ETF | Short Sale Exposure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Short Sale Exposure Risk: The Fund will seek inverse or “short” exposure through financial instruments, which would cause the Fund to be exposed to certain risks associated with selling short. These risks include, under certain market conditions, an increase in the volatility and decrease in the liquidity of the instruments underlying the short position, which may lower the Fund’s return, result in a loss, have the effect of limiting the Fund’s ability to obtain inverse exposure through financial instruments, or require the Fund to seek inverse exposure through alternative investment strategies that may be less desirable or more costly to implement. To the extent that, at any particular point in time, the instruments underlying the short position may be thinly traded or have a limited market, including due to regulatory action, the Fund may be unable to meet its investment objective due to a lack of available securities or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. Obtaining inverse exposure through these instruments may be considered an aggressive investment technique. Any income, dividends or payments by any assets underlying the Fund’s short positions, if any, would negatively impact the Fund. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock increases more than 50%.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long XYZ Daily ETF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | PRINCIPAL RISKS OF INVESTING IN THE FUND
As with all ETFs, there is the risk that you could lose money through your investment in the Fund. Many factors affect the Fund’s NAV and performance.
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| GraniteShares 2x Long XYZ Daily ETF | Underlying Stock Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Underlying Stock Risk: The Underlying Stock is subject to many risks that can negatively impact its revenue and viability including, but are not limited to price volatility risk, management risk, inflation risk, global economic risk, growth risk, supply and demand risk, operations risk, regulatory risk, environmental risk, terrorism risk and the risk of natural disasters. The Underlying Stock performance may be affected by competition in the microprocessor market, reliance on third-party manufacturers, the company’s ability to new develop new products, losses of significant customers, changes in customer demand for its products, risks associated with defective products political, legal and economic risks affecting the company’s global operations. The Fund’s daily returns may be affected by many factors but will depend on the performance and volatility of the Underlying Stock.
The Underlying Stock may also be impacted by many factors, including but not limited to, government regulations, economic conditions, credit rating downgrades, changes in interest rates and decreased liquidity in credit markets. Profitability of the Underlying Stock may be dependent on the availability and cost of capital and can fluctuate significantly when interest rates change. Credit losses resulting from financial difficulties of borrowers also can negatively impact the Underlying Stock. The Underlying Stock is also subject to substantial government regulations and intervention, which may adversely impact the scope of its activities, the prices it can charges, the amount of capital it must maintain, and potentially, its size. Government regulation may change frequently and may have significant adverse consequences for the Underlying Stock, including effects that are not intended by such regulation. The impact of more stringent capital requirements, or recent or future regulations in various countries on any individual financial company or of the financial sector as a whole, cannot be predicted. The financials sector is also a target for cyber-attacks and may experience technological malfunctions and disruptions, which have occurred more frequently in recent years.
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| GraniteShares 2x Long XYZ Daily ETF | Effects of Compounding and Market Volatility Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Effects of Compounding and Market Volatility Risk: The Fund aims to replicate the daily leverage returns of the Underlying Stock and the Fund’s performance for periods greater than a trading day will be the result of each day’s returns compounded over the period, which is very likely to differ from the Underlying Stock’s performance, before fees and expenses. Compounding affects all investments but has a more significant impact on funds that aim to replicate leveraged daily returns. For a Fund aiming to replicate 2 times the daily performance of an Underlying Stock, if adverse daily performance of the Underlying Stock reduces the amount of a shareholder’s investment, any further adverse daily performance will lead to a smaller dollar loss because the shareholder’s investment had already been reduced by the prior adverse performance. Equally, however, if the favorable daily performance of the Underlying Stock increases the amount of a shareholder’s investment, the dollar amount lost due to future adverse performance will increase because the shareholder’s investment has increased.
The effect of compounding becomes pronounced as the Underlying Stock volatility and the holding period increase. The impact of compounding will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of the Underlying Stock during the shareholder’s holding period of an investment in the Fund.
The chart below provides examples of how Underlying Stock volatility could affect the Fund’s performance. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) Underlying Stock volatility; b) Underlying Stock’s performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) the Underlying Stock’s dividends. The chart below illustrates the impact of two principal factors – Underlying Stock volatility and performance – on Fund performance. The chart shows estimated Fund returns for a number of combinations of Underlying Stock volatility and performance over a one-year period. Performance shown in the chart assumes that (i) there were no Fund expenses; and (ii) borrowing rates (needed to obtain a leveraged long exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be lower than those shown. Particularly during periods of higher Underlying Stock volatility, compounding will cause results for periods longer than a trading day to vary from the performance of the Underlying Stock.
As shown in the chart below, the Fund would be expected to lose 6.0% if the Underlying Stock provided no return over a one-year period during which the Underlying Stock experienced annualized volatility of 25%. At higher ranges of volatility, there is a chance of a significant loss of value in the Fund, even if the Underlying Stock return is flat.
For instance, if the Underlying Stock’s annualized volatility is 100%, the Fund would be expected to lose 63.3% of its value, even if the cumulative Underlying Stock’s return for the year was 0%. Areas shaded red (or dark gray) represent those scenarios where the Fund can be expected to return less than 200% of the performance of the Underlying Stock and those shaded green (or light gray) represent those scenarios where the Fund can be expected to return more than 200% of the performance of the Underlying Stock. The Fund’s actual returns may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Tracking Error Risk” below.
The Underlying Stock’s annualized historical volatility rate for the five-year period ended August 31, 2026, was 60.92%. During the five-year period observed the Underlying Stock’s highest volatility rate over a 12-month period was 91.10% and volatility for a shorter period of time may have been substantially higher. The Underlying Stock’s annualized performance for the five-year period ended August 31, 2026, was -21.10%. Historical volatility and performance are not indications of what the Underlying Stock volatility and performance will be in the future. The volatility of instruments that reflect the value of the Underlying Stock, such as swaps, may differ from the volatility of the Underlying Stock.
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| GraniteShares 2x Long XYZ Daily ETF | Correlation Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Correlation Risk: A number of factors may affect the Fund’s ability to achieve a high degree of correlation with the Underlying Stock, and there is no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective, and the percentage change of the Fund’s NAV each day may differ, perhaps significantly in amount, and possibly even direction, from 200% of the percentage change of Underlying Stock on such day.
In order to achieve a high degree of correlation with Underlying Stock, the Fund seeks to rebalance its portfolio daily to keep exposure consistent with its investment objective. Being materially under- or overexposed to Underlying Stock may prevent the Fund from achieving a high degree of correlation with Underlying Stock and may expose the Fund to greater leverage risk. Market disruptions or closure, regulatory restrictions, market volatility, illiquidity in the markets for the financial instruments in which the Fund invests, and other factors will adversely affect the Fund’s ability to adjust exposure to requisite levels. The target amount of portfolio exposure is impacted dynamically by Underlying Stock’s movements, including intraday movements. Because of this, it is unlikely that the Fund will have perfect 200% exposure during the day or at the end of each day and the likelihood of being materially under- or overexposed is higher on days when Underlying Stock is volatile, particularly when Underlying Stock is volatile at or near the close of the trading day.
A number of other factors may also adversely affect the Fund’s correlation with the Underlying Stock, including fees, expenses, transaction costs, financing costs associated with the use of derivatives, income items, valuation methodology, accounting standards and disruptions or illiquidity in the markets for the securities or financial instruments in which the Fund invests. The Fund may take or refrain from taking positions in order to improve tax efficiency, comply with regulatory restrictions, or for other reasons, each of which may negatively affect the Fund’s correlation with the Underlying Stock. The Fund may also be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being under- or overexposed to Underlying Stock. Additionally, the Fund’s underlying investments and/or reference assets may trade on markets that may not be open on the same day as the Fund, which may cause a difference between the changes in the daily performance of the Fund and changes in the performance of Underlying Stock. Any of these factors could decrease correlation between the performance of the Fund and Underlying Stock and may hinder the Fund’s ability to meet its daily investment objective on or around that day.
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| GraniteShares 2x Long XYZ Daily ETF | Leverage Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Leverage Risk: The Fund obtains investment exposure in excess of its net assets by utilizing leverage and may lose more money in market conditions that are adverse to its investment objective than a fund that does not utilize leverage. An investment in the Fund is exposed to the risk that a decline in the daily performance of the Underlying Stock will be magnified. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in the Underlying Stock, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could theoretically lose an amount greater than its net assets in the event the Underlying Stock declines more than 50%. Leverage will also have the effect of magnifying any differences in the Fund performance’s correlation with the Underlying Stock.
The Fund may suspend the issuance of Creation Units only for a limited time and only due to extraordinary circumstances, such as when the markets on which the Fund’s portfolio holdings are traded are closed for a limited period of time. If the Fund is unable to obtain sufficient exposure to the Underlying Stock due to the limited availability of necessary investments or financial instruments, the Fund may, among other things, fail to meet its investment objective or incur increased transaction costs. If creations are suspended, or the Fund’s ability to issue additional Creation Units is otherwise adversely affected, the Fund’s shares could trade at a significant premium or discount to their net asset value, or the bid-ask spread of the Fund’s shares could widen significantly, as the arbitrage mechanism that typically keeps secondary market prices in line with the Fund’s NAV would be impaired. In the case of a period during which creations are suspended, the Fund could experience significant redemptions, which may cause the Fund to sell portfolio securities at unfavorable prices and incur increased transaction and other costs and make greater taxable distributions to shareholders of the Fund.
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| GraniteShares 2x Long XYZ Daily ETF | Counterparty Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Counterparty Risk: A counterparty (the other party to a transaction or an agreement or the party with whom the Fund executes transactions) to a transaction (including repurchase transaction) with the Fund may be unable or unwilling to make timely principal, interest or settlement payments, or otherwise honor its obligations.
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| GraniteShares 2x Long XYZ Daily ETF | Derivatives Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Derivatives Risk: The use of derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities and other traditional investments. These risks include (i) the risk that the counterparty to a derivative transaction may not fulfill its contractual obligations; (ii) the risk of mispricing or improper valuation; and (iii) the risk that changes in the value of the derivative may not correlate perfectly with the underlying asset, rate or index. Derivative prices are highly volatile and may fluctuate substantially during a short period of time. Such prices are influenced by numerous factors that affect the markets, including, but not limited to: changing supply and demand relationships; government programs and policies; national and international political and economic events, changes in interest rates, inflation and deflation and changes in supply and demand relationships. Trading derivative instruments involves risks different from, or possibly greater than, the risks associated with investing directly in securities.
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| GraniteShares 2x Long XYZ Daily ETF | Exchange Traded Fund Structure Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Exchange Traded Fund Structure Risk: The Fund is structured as an exchange-traded fund and as a result is subject to special risks, including:
The Fund will be subject to regulatory constraints relating to the level of value at risk that the Fund may incur through its derivative portfolio. To the extent the Fund exceeds these regulatory thresholds over an extended period, the Fund may determine that it is necessary to make adjustments to the Fund’s investment strategy, including the desired daily leverage performance for the Fund.
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| GraniteShares 2x Long XYZ Daily ETF | Fixed Income Securities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Risk [Text Block] | Fixed Income Securities Risk: When the Fund invests in fixed income securities, the value of your investment in the Fund will fluctuate with changes in interest rates. Typically, a rise in interest rates causes a decline in the value of fixed income securities owned by the Fund. In general, the market price of fixed income securities with longer maturities will increase or decrease more in response to changes in interest rates than shorter-term securities. Other risk factors include credit risk (the debtor may default), extension risk (an issuer may exercise its right to repay principal on a fixed rate obligation held by the Fund later than expected), and prepayment risk (the debtor may pay its obligation early, reducing the amount of interest payments). These risks could affect the value of a particular investment by the Fund, possibly causing the Fund’s share price and total return to be reduced and fluctuate more than other types of investments.
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| GraniteShares 2x Long XYZ Daily ETF | Management Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Management Risk: The Adviser’s judgments about the attractiveness, value and potential appreciation of a particular security or derivative in which the Fund invests may prove to be incorrect and may not produce the desired results.
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| GraniteShares 2x Long XYZ Daily ETF | Market and Geopolitical Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Market and Geopolitical Risk: The increasing interconnectivity between global economies and financial markets increases the likelihood that events or conditions in one region or financial market may adversely impact issuers in a different country, region or financial market. Securities in the Fund’s portfolio may underperform due to inflation (or expectations for inflation), interest rates, global demand for particular products or resources, natural disasters, pandemics, epidemics, terrorism, regulatory events and governmental or quasi-governmental actions. The occurrence of global events similar to those in recent years, such as terrorist attacks around the world, natural disasters, social and political discord or debt crises and downgrades, among others, may result in market volatility and may have long term effects on both the U.S. and global financial markets. It is difficult to predict when similar events affecting the U.S. or global financial markets may occur, the effects that such events may have and the duration of those effects. Any such event(s) could have a significant adverse impact on the value and risk profile of the Fund’s portfolio. It is not known how long any future impacts of other significant events described above will or would last, but there could be a prolonged period of global economic slowdown, which may impact your Fund investment. Therefore, the Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns.
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| GraniteShares 2x Long XYZ Daily ETF | Non-Diversified Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Non-Diversified Risk: The Fund’s portfolio focuses on the Underlying Stock and will be subject to potential for volatility than a diversified fund.
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| GraniteShares 2x Long XYZ Daily ETF | Swap Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Swap Risk: Swaps are subject to tracking risk because they may not be perfect substitutes for the instruments they are intended to hedge or replace. Over the counter swaps are subject to counterparty default. Leverage inherent in derivatives will tend to magnify the Fund’s losses.
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| GraniteShares 2x Long XYZ Daily ETF | Options Contracts Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Options Contracts Risk: The use of options contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of options are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. For the Fund, in particular, the value of the options contracts in which it invests is substantially influenced by the value of the Underlying Stock. The Fund may experience substantial downside from specific option positions and certain option positions held by the Fund may expire worthless. As an option approaches its expiration date, its value typically increasingly moves with the value of the underlying instrument. However, prior to such a date, the value of an option generally does not increase or decrease at the same rate at the underlying instrument. There may at times be an imperfect correlation between the movement in values of options contracts and the underlying instrument, and there may at times not be a liquid secondary market for certain options contracts. The value of the options held by the Fund will be determined based on market quotations or other recognized pricing methods. Furthermore, when the Fund seeks to trade out of positions, especially near expiration, there is an added risk that the Fund may be required to allocate resources unexpectedly to fulfill these obligations. This potential exposure to physical settlement can significantly impact the Fund’s liquidity and market exposure, particularly in volatile market conditions. If the Fund sells non-cash settled options contracts, it would be obligated to receive shares of the Underlying Stock when the option is exercised. Consequently, there is a risk that the Fund may have to physically acquire the Underlying Stock shares at the strike price, which could result in the Fund holding the Underlying Stock, and an asset that has declined in value. The level of exposure obtained through option contracts should at most be equal to the Fund’s Daily Leverage Factor times the Fund’s net asset value.
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| GraniteShares 2x Long XYZ Daily ETF | Rebalancing Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Rebalancing Risk: If for any reason the Fund is unable to rebalance all or a portion of its portfolio, or if all or a portion of the portfolio is rebalanced incorrectly, the Fund’s investment exposure may not be consistent with the Fund’s investment objective. In these instances, the Fund may have investment exposure to the Underlying Stock that is significantly greater or less than its stated multiple. As a result, the Fund may be more exposed to leverage risk than if it had been properly rebalanced and may not achieve its investment objective.
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| GraniteShares 2x Long XYZ Daily ETF | Trading Halt Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Trading Halt Risk: Although the Underlying Stock’s shares are listed for trading on an exchange, there can be no assurance that an active trading market for such shares will be available at all times and the exchange may halt trading of such shares in certain circumstances. A halt in trading in the Underlying Stock’s shares is expected, in turn, to result in a halt in the trading in the Fund’s shares. Trading in the Underlying Stock’s and/or Fund’s shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in the Underlying Stock’s and/or Fund’s shares inadvisable. In addition, trading in Underlying Stock’s and/or Fund’s shares on an exchange is subject to trading halts caused by extraordinary market volatility pursuant to exchange “circuit breaker” rules.” In the event of a trading halt for an extended period of time, the Fund may be unable to execute arrangements with swap counterparties that are necessary to implement the Fund’s investment strategy.
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| GraniteShares 2x Long XYZ Daily ETF | Tracking Error Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tracking Error Risk: Tracking error is the divergence of the Fund’s performance from that of its investment objective which aims to replicate 2 times the daily percentage change of the Underlying Stock. The performance of the Fund may diverge from that of its investment objective for a number of reasons. Tracking error may occur because of transaction costs, the Fund’s holding of cash, differences in accrual of dividends, being under- or overexposed to the Underlying Stock or the need to meet new or existing regulatory requirements. Tracking error risk may be heightened during times of market volatility or other unusual market conditions such as market disruptions. The Fund may be required to deviate from its investment objectives as a result of market restrictions or other legal reasons, including regulatory limits or other restrictions on securities that may be purchased by the Adviser and its affiliates.
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| GraniteShares 2x Long XYZ Daily ETF | Affiliated ETFs Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Affiliated ETFs Risk: The Fund may invest in equity securities of other ETFs for which the Adviser serves as investment adviser. It is possible that a conflict of interest may arise. Additionally, to the extent the Fund invests in the securities of another affiliated ETF, the Fund will be subject to the investment risks of the ETF. Shareholders of the Fund are subject to duplicative expenses to the extent of the Fund’s investment in any affiliated ETF. Finally, the shares of the ETFs in which the Fund may invest will be listed on a national securities exchange and the Fund will purchase or sell these shares on the secondary market at its current market price, which may be more or less than its net asset value per share.
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| GraniteShares 2x Long XYZ Daily ETF | Box Spread ETF Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Box Spread ETF Risk. The Fund may invest in LBOX, an affiliated ETF advised by GraniteShares Advisors LLC, the Fund’s investment adviser, that employs a market-neutral box spread strategy to generate short-term, fixed-income-like returns. Box spread positions involve simultaneous long and short synthetic options positions on the same reference asset and are structured to capture an implied financing rate. While box spreads are designed to be market-neutral and to generate a return approximating prevailing short-term interest rates, they are subject to execution risk, counterparty risk with respect to the options positions, and the risk that the implied financing rate embedded in the box spread diverges from prevailing market rates in periods of market stress. The Fund’s investments in LBOX are made pursuant to Section 12(d)(1)(G) of the 1940 Act, which imposes no percentage-of-assets limits on the Fund’s investment in an exchange-traded fund. Accordingly, the Fund could, at any time, hold a material allocation in LBOX. The Fund’s adviser faces a conflict of interest in allocating Fund assets to an affiliated fund such as LBOX; see “Affiliated ETFs Risk.”
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| GraniteShares 2x Long XYZ Daily ETF | Reverse Repurchase Agreement Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Reverse Repurchase Agreement Risk: When the Fund enters into a reverse repurchase agreement, it sells portfolio securities to a counterparty and simultaneously agrees to repurchase those securities at a specified price at a later date, effectively using those securities as collateral for a short-term loan. There is no guarantee that the return on any securities purchased with such proceeds will exceed the cost of the borrowing. The Fund also bears the risk that the counterparty to a reverse repurchase agreement fails to perform its obligations, and the Fund may lose the use of the securities pledged for the duration of the agreement. The Fund’s obligations under reverse repurchase agreements must be covered by liquid assets. See also “Counterparty Risk” and “Leverage Risk” above.
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| GraniteShares 2x Long XYZ Daily ETF | Investing in U.S. Equities Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Investing in U.S. Equities Risk: Investing in U.S. issuers subjects the Fund to legal, regulatory, political, currency, security, and economic risks that are specific to the U.S. Certain changes in the U.S., such as a weakening of the U.S. economy or a decline in its financial markets, may have an adverse effect on U.S. issuers.
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| GraniteShares 2x Long XYZ Daily ETF | US Treasury Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | US Treasury Risk: U.S. Treasury obligations are backed by the “full faith and credit” of the U.S. government and generally have negligible credit risk. Securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises may or may not be backed by the full faith and credit of the U.S. government. The Fund may be subject to such risk to the extent it invests in securities issued or guaranteed by federal agencies or authorities and U.S. government-sponsored instrumentalities or enterprises.
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| GraniteShares 2x Long XYZ Daily ETF | Tax Risk [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Risk [Text Block] | Tax Risk: In order to qualify for the favorable tax treatment generally available to regulated investment companies, the Fund must satisfy certain diversification and other requirements. In particular, the Fund generally may not acquire a security if, as a result of the acquisition, more than 50% of the value of the Fund’s assets would be invested in (a) issuers in which the Fund has, in each case, invested more than 5% of the Fund’s assets and (b) issuers more than 10% of whose outstanding voting securities are owned by the Fund. The application of these requirements to certain investments (including swaps) that may be entered into by the Fund is unclear. In addition, the application of these requirements to the Fund’s investment objective is not clear, particularly because the Fund’s investment objective focuses on the performance of the stock of a single issuer. If the Fund were to fail to qualify as a regulated investment company, it would be taxed in the same manner as an ordinary corporation, and distributions to its shareholders would not be deductible by the Fund in computing its taxable income.
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