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Direxion Daily SpaceX Bull 2X ETF Investment Risks - Direxion Daily SpaceX Bull 2X ETF
Oct. 31, 2025
Recent Initial Public Offering and Derivatives Capacity Constraints Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Recent Initial Public Offering (“IPO”) and Derivatives Capacity Constraints Risk - The Fund’s ability to achieve its daily leveraged investment objective depends, in part, on the availability of swaps, options, and other financial instruments that provide exposure to SpaceX. For a company that recently went public, these instruments may be limited, illiquid, costly, or unavailable, particularly at the time of or shortly after an IPO or during periods of significant volatility or market demand. Exchange position limits, margin requirements, counterparty risk limits, limited public float, limited trading history, or other market, regulatory, or operational constraints may also restrict the Fund’s ability to obtain or maintain its desired leveraged exposure. As a result, the Fund may be unable to achieve exposure equal to 200% of the daily performance of SpaceX, may be unable to rebalance effectively, or may be required to hold more cash or use less efficient instruments. These constraints may increase costs significantly and thereby increase tracking error, cause the Fund to return substantially less than 200% the daily performance of SpaceX, or prevent the Fund from achieving its investment objective. Additionally, Shares trading on the Exchange may experience larger bid-ask spreads and increased premium/discounts, especially on the IPO date as well as the days following the IPO. The gain or loss that an investor experiences is very likely to be different than the Fund’s stated investment objective due to intra-day investment risk. On the IPO date and the period following the IPO, investors should expect significant volatility in Share price and heightened risk of the Fund’s return being substantially less than 200% the daily performance of SpaceX because of the risks stated above. An investor can lose the full principal value of his/her investment in the Fund within a single day if SpaceX loses more than 50% in one day.
Effects of Compounding and Market Volatility Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Effects of Compounding and Market Volatility Risk —
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 likely to differ from 200% of SpaceX’s performance, before fees and expenses. Compounding has a significant impact on funds that are leveraged and that rebalance daily. The impact of compounding becomes more pronounced as volatility and holding periods increase and will impact each shareholder differently depending on the period of time an investment in the Fund is held and the volatility of SpaceX during the shareholder’s holding period. Fund performance for periods greater than one single day can be estimated given any set of assumptions for the following factors: a) volatility; b) performance; c) period of time; d) financing rates associated with leveraged exposure; e) other Fund expenses; and f) dividends or interest paid with respect to securities of SpaceX. The chart below provides examples of how volatility and its return could affect the Fund’s performance. The chart shows estimated Fund returns for a number of combinations of volatility and performance over a one-year period. Actual Fund returns are expected to vary from these estimates. Performance shown in the chart assumes that: (i) no dividends were paid with respect to the securities; (ii) there were no Fund expenses; and (iii) borrowing/lending rates (to obtain leveraged exposure) of 0%. If Fund expenses and/or actual borrowing/lending rates were reflected, the estimated returns would be different than those shown. Particularly during periods of higher volatility, compounding will cause results for periods longer than a trading day to vary from 200% of the performance of SpaceX. As shown in the chart below, the Fund would be expected to lose 6.1% if SpaceX provided no return over a one year period during which SpaceX 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 SpaceX’s return is flat. For instance, if SpaceX’s annualized volatility is 100%, the Fund would be expected to lose 63.2% of its value, even if the cumulative 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 SpaceX 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 SpaceX. The table below is not a representation of the Fund’s actual returns, which may be significantly better or worse than the returns shown below as a result of any of the factors discussed above or in “Daily Correlation Risk” below.OneYear200%OneYearVolatility RateReturnReturn10%25%50%75%100%-60%-120%-84.2%-85.0%-87.5%-90.9%-94.1%-50%-100%-75.2%-76.5%-80.5%-85.8%-90.8%-40%-80%-64.4%-66.2%-72.0%-79.5%-86.8%-30%-60%-51.5%-54.0%-61.8%-72.1%-82.0%-20%-40%-36.6%-39.9%-50.2%-63.5%-76.5%-10%-20%-19.8%-23.9%-36.9%-53.8%-70.2%0%0%-1.0%-6.1%-22.1%-43.0%-63.2%10%20%19.8%13.7%-5.8%-31.1%-55.5%20%40%42.6%35.3%12.1%-18.0%-47.0%30%60%67.3%58.8%31.6%-3.7%-37.8%40%80%94.0%84.1%52.6%11.7%-27.9%50%100%122.8%111.4%75.2%28.2%-17.2%60%120%153.5%140.5%99.4%45.9%-5.8%SpaceX had not commenced operations or only recently commenced operations as of the date of this Prospectus and therefore historical volatility and performance are not yet available. In the future, historical volatility and performance will be presented in this section. Historical volatility and performance are not indications of what the volatility and performance will be in the future. The volatility of ETFs or financial instruments utilized by the Fund, such as swaps, may differ from the volatility of SpaceX.For information regarding the effects of volatility and performance on the long-term performance of the Fund, see “Additional Information Regarding Investment Techniques and Policies” in the Fund’s statutory prospectus, and "Leverage - Special Note Regarding the Correlation Risks of the Funds" in the Fund’s Statement of Additional Information under “Investment Policies and Techniques.”
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 typically results in the magnification of a decline in the daily performance of SpaceX resulting in a larger loss being incurred than if there was no leverage utilized. This means that an investment in the Fund will be reduced by an amount equal to 2% for every 1% daily decline in SpaceX, not including the costs of financing leverage and other operating expenses, which would further reduce its value. The Fund could lose an amount greater than its net assets in the event of a decline of more than 50% of SpaceX. This would result in a total loss of a shareholder’s investment in one day even if SpaceX subsequently reverses all or a portion of its previous movement prior to the end of the day. A total loss of a shareholder’s investment in the Fund may occur in a single day even if SpaceX’s value does not move fully opposite from the Fund’s investment objective. Leverage will also have the effect of magnifying any differences in the Fund’s correlation with SpaceX and may increase the volatility of the Fund. Under market circumstances that cause leverage to be expensive or unavailable, the Fund may not meet its investment objective for a period of time, may increase its transaction fee on creation unit transactions, change its investment objective, reduce its leverage or close.
Derivatives Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Derivatives Risk — Derivatives are financial instruments that derive value from the underlying reference asset or assets, such as stocks, bonds, or funds (including ETFs), interest rates or indexes. Investing in derivatives may be considered aggressive and may expose the Fund to greater risks, and may result in larger losses or smaller gains, than investing directly in the reference assets underlying those derivatives, which may prevent the Fund from achieving its investment objective. The Fund’s investments in derivatives may pose risks in addition to, and greater than, those associated with directly investing in securities or other investments, including risk related to the market, leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, higher price volatility, lack of availability, counterparty, liquidity, valuation and legal restrictions. The performance of a derivative may not track the performance of its reference asset for various reasons, including due to fees and other costs associated with it. Because derivatives often require only a limited initial investment, the use of derivatives may expose the Fund to losses in excess of the amount initially invested. As a result, the value of an investment in the Fund may change quickly and without warning. If the underlying security has a dramatic intraday increase or decrease that causes a material change in the Fund’s performance and/or net assets, the terms of a swap agreement between the Fund and its counterparty may permit the counterparty to immediately close the swap agreement with the Fund. In that event, the Fund may not be able to enter into another swap agreement or invest in other derivatives to achieve its investment objective. This may occur even if the underlying security reverses all or a portion of its intraday movement by the end of the day. Upon entering into certain derivatives contracts, such as swap agreements, and to maintain open positions in such agreements, the Fund may be required to post collateral, the amount of which may vary. As such, the Fund may maintain cash balances, which may be significant, with service providers such as the Fund’s custodian or its affiliates in segregated accounts. Maintaining larger cash and cash equivalent positions may also subject the Fund to additional risks, such as increased credit risk with respect to the custodian bank holding the assets.
Counterparty Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Counterparty Risk — If a counterparty is unwilling or unable to make timely payments to meet its contractual obligations or fails to return holdings that are subject to the agreement with the counterparty, the Fund will lose money and/or not be able to meet its daily leveraged investment objective. Because the Fund may enter into swap agreements with a limited number of counterparties, this increases the Fund’s exposure to counterparty credit risk. Further, there is a risk that no suitable counterparties will be willing to enter into, or continue to enter into, transactions with the Fund and, as a result, the Fund may not be able to achieve its leveraged investment objective or rebalance properly, which may result in significant losses to the Fund. The risk that no suitable counterparties will enter into or continue to provide swap exposure to the Fund may be heightened when there is significant volatility in the overall market or the reference asset.
Rebalancing Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Rebalancing Risk — If for any reason the Fund is unable to rebalance all or a part 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 its investment objective which may lead to greater losses or reduced gains. In these instances, the Fund may have investment exposure to SpaceX that is significantly greater or significantly less than its stated investment objective. Additionally, the Fund may close to purchases and sales of Shares prior to the close of trading on the NYSE Arca or other national securities listing exchanges where Shares are listed and incur significant losses.
Intra Day Investment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Intra-Day Investment Risk— The intra-day performance of Fund shares traded in the secondary market will be different from the performance of the Fund when measured from the close of the market on a given trading day until the close of the market on the subsequent trading day. An investor that purchases shares intra-day may experience performance that is greater than, or less than, the Fund’s stated investment objective. If there is a significant intra-day market event and/or the securities experience a significant change in value, the Fund may not meet its investment objective or may be unable to rebalance its portfolio appropriately, resulting in significant losses or reduced gains. In response to significant intraday market volatility, among other actions, the Adviser may determine to trade a portion or all of the rebalance trade for the Fund prior to market close, which may result in the Fund not achieving its investment objective. Additionally, the Fund’s Shares traded on the secondary market may experience significant premiums or discounts, or widened bid-ask spreads.
Daily Correlation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Daily Correlation Risk - There is no guarantee that the Fund will achieve a high degree of correlation to SpaceX and therefore achieve its daily leveraged investment objective. The Fund’s exposure to SpaceX is impacted by SpaceX’s movement. Because of this, it is unlikely that the Fund will be perfectly exposed to SpaceX at the end of each day. The possibility of the Fund being materially over- or under-exposed to SpaceX increases on days when SpaceX is volatile near the close of the trading day. Market disruptions, regulatory restrictions and high volatility will also adversely affect the Fund’s ability to adjust exposure to the required levels. The Fund may have difficulty achieving its daily leveraged investment objective for many reasons, including fees, expenses, transaction costs, financing costs related to the use of derivatives, accounting standards and their application to income items, disruptions, illiquid or high volatility in the markets for the securities or financial instruments in which the Fund invests, early and unanticipated closings of the markets on which the holdings of the Fund trade, resulting in the inability of the Fund to execute intended portfolio transactions, regulatory and tax considerations, which may cause the Fund to hold (or not to hold) SpaceX. The Fund may be required to trade more frequently or may refrain from taking certain positions to ensure compliance with regulatory restrictions or to ensure qualification as a registered investment company or to improve tax efficiency, or for other reasons, each of which may negatively impact the Fund’s desired correlation with SpaceX or increase its required distributions. The derivative instruments or other investments the Fund utilizes to obtain exposure may not provide the expected correlation to SpaceX, resulting in the Fund not performing as expected. The Fund may be subject to large movements of assets into and out of the Fund, potentially resulting in the Fund being over- or under-exposed to SpaceX. Any of these factors could decrease the correlation between the performance of the Fund and SpaceX and may hinder the Fund’s ability to meet its daily leveraged investment objective on or around that day.
Market Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Market Risk — The Fund’s investments are subject to changes in general economic conditions, general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, general market liquidity, exchange trading suspensions and closures, geopolitical events, tariffs, trade wars, natural disasters, and public health risks. Interest rates and inflation rates may change frequently and drastically due to various factors and the Fund’s investments may be adversely impacted. The economic, fiscal, monetary and foreign policies of the U.S. government, including the imposition of tariffs, changes to its federal agencies and changes to regulatory policies, will impact the U.S. economy and could lead to increased market volatility and may adversely impact the overall market and individual securities.
NonAffiliation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Non-Affiliation Risk — SpaceX is not affiliated with the Trust, the Adviser or any affiliates thereof and is not involved with this offering in any way, and has no obligation to consider the Fund in taking any corporate actions that might affect the value of the Fund. The Trust, the Fund and any affiliate are not responsible for the performance of SpaceX and make no representation as to the performance of SpaceX. Investing in the Fund is not equivalent to investing in SpaceX. Fund shareholders will not have voting rights or rights to receive dividends or other distributions or any other rights with respect to SpaceX.
SpaceX Investing Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Space Exploration Technologies Corp. (“SpaceX”) Investing Risk — The Fund’s performance depends on the performance of SpaceX. The price of SpaceX can be affected by a number of factors. Investing in SpaceX involves a high degree of risk. SpaceX operates in a rapidly changing and highly competitive industry. Returns depend in part on SpaceX’s ability to successfully design, manufacture, launch, and operate space launch vehicles, spacecraft, and satellite systems while controlling costs and achieving operational reliability. SpaceX faces significant operational and execution risks, and launch failures, delays, or mission anomalies could result in loss of payloads, contractual penalties, or reputational harm. SpaceX is subject to extensive government regulation, export controls, and national security requirements, and a significant portion of its revenue is derived from government contracts that may be delayed, reduced, or terminated. SpaceX may not be able to successfully scale or monetize satellite-based services. SpaceX also develops and deploys artificial intelligence technologies, and its performance depends in part on its ability to successfully integrate, scale, and commercialize such technologies. The development and deployment of artificial intelligence systems may expose SpaceX to additional operational, regulatory, reputational, and competitive risks. Any of these factors may materially and adversely impact the price of SpaceX shares, increase volatility, and negatively impact the performance of the Fund. SpaceX operates in a highly capital-intensive, technologically complex, and competitive industry characterized by rapid innovation, significant research and development costs, and uncertain commercial demand for launch and satellite services. The company’s future growth and profitability will depend on its ability to execute successful launches, maintain cost efficiencies in rocket and satellite production, scale its Starlink broadband network, and manage risks inherent in manufacturing, launch operations, and orbital deployment. Operational failures, launch anomalies, manufacturing defects, or disruptions in critical infrastructure or supply chains could materially affect its business and financial condition. SpaceX’s operations are subject to extensive regulation by U.S. and foreign governmental authorities, including those governing launch licensing, airspace and orbital traffic management, spectrum allocation, export controls, and environmental and safety compliance. Changes in laws, regulations, or enforcement priorities, or the denial, delay, or revocation of necessary licenses or approvals, could materially restrict SpaceX’s activities or increase compliance costs. In addition, the global expansion of Starlink’s broadband services subjects SpaceX to international telecommunications, data privacy, and national security regulations, which may vary across jurisdictions and involve significant legal complexity and compliance risk. SpaceX may rely on a limited number of government and commercial customers for a substantial portion of its revenue, including contracts with National Aeronautics and Space Administration (NASA), the U.S. Department of Defense, and other public-sector entities. The termination, modification, or non-renewal of any such contracts could adversely affect the company’s financial results. SpaceX also depends heavily on key suppliers for rocket engines, materials, and components, as well as on the performance of its Starlink satellite network. SpaceX’s AI products and X platform are subject to complex and evolving U.S. and foreign laws and regulations regarding privacy, cybersecurity, data use, data combination, data protection, content, AI, competition, youth protection, safety, consumer protection and notification, advertising, e-commerce, sanctions, export controls, and other matters. Many of these laws and regulations are subject to change and uncertain interpretation, and they could be required to make changes to our products and business practices, and be exposed to monetary penalties, increased cost of operations, declines in user growth or engagement, or loss of customers, or other harm to our AI products and X platform. SpaceX recently commenced its initial public offering (“IPO”) process. The market value of shares issued in an IPO may fluctuate considerably due to factors such as the absence of a prior public market, unseasoned trading, the small number of shares available for trading and limited information about a company’s business model, quality of management, earnings growth potential, and other criteria used to evaluate its investment prospects. Accordingly, investments in shares of a company that recently commenced an IPO involve greater risks than investments in shares of companies that have traded publicly on an exchange for extended periods of time. The shares of such companies may experience abnormal returns and volatility in the period immediately following its IPO. Investments in shares of a company that recently commenced an IPO may also involve high transaction costs and are subject to market risk and liquidity risk. The price of SpaceX shares may be volatile and could decline in value significantly in the future. Any of these factors may materially and adversely impact the price of SpaceX, increase the volatility of an investment in SpaceX and have a negative impact on the performance of the Fund. The Fund’s performance is significantly tied to the vision, reputation, and continued involvement of the founder and CEO of SpaceX, Elon Musk. Mr. Musk is essential to the company’s strategic direction and its ability to secure capital and high-level government contracts. However, Mr. Musk manages a diverse portfolio of other major enterprises, including Tesla, Inc., xAI, and X (formerly Twitter), and may have other advisory roles. These competing priorities could result in a significant diversion of his time and attention away from SpaceX’s operational milestones, such as the Starship development program or Starlink expansion. Furthermore, Mr. Musk’s public statements and political activities may attract heightened regulatory scrutiny or result in strained relations with critical government partners like NASA and the Department of Defense. Any sudden departure, incapacity, or significant reputational impairment of Mr. Musk could lead to extreme volatility in the value of the Fund’s investments, a loss of investor confidence, or the potential cancellation of key government launch and national security contracts.
Security Volatility Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Security Volatility Risk — The performance of the Fund is designed to correlate to the leveraged performance of SpaceX. Significant short-term price movements in SpaceX could adversely impact the performance of both SpaceX and the Fund, increase the Fund’s bid-ask spread and adversely impact the Fund’s ability to achieve its investment objective. In addition, the net asset value of the Fund over short-term periods may be more volatile than other investment options due to the volatility of SpaceX.
Concentration Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Concentration Risk — The Fund will be concentrated in a particular security, SpaceX, and therefore, a particular industry and will have more than 25% of its total assets in investments that provide leveraged exposure to the communication services sector (the risks of which are described below), the same industry and/or sector to which SpaceX is assigned. Since the Fund is concentrated in a particular security and therefore industry and/or sector, it presents more risks than a portfolio broadly diversified over several industries. A portfolio invested in multiple securities and industries typically presents less risk than a portfolio concentrated in one security or industry because market changes that adversely impact one security or industry may benefit others. Because the Fund invests in instruments referencing only one security and industry, it should be expected to decrease from any market movements that adversely impact SpaceX and/or communication services sector.
Space and Space Exploration Industry Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Space and Space Exploration Industry Risk — The space and space exploration industry encompasses the building and integration of items to go into space, including spacecraft, satellites, payloads and products to be used in space or which are related to space. The space industry has seen dramatic increase in investment over a short period of time. Recent developments and the changing paradigm of space commercialization, from being dominated by government programs to being driven by the interests of private companies, are a challenge for regulators. Government regulation, world events, exchange rates and economic conditions, technological developments and liabilities for environmental damage and general civil liabilities may affect the performance of companies operating within the space industry. Companies engaged in the transport ecosystem of the space industry may experience share price movements which are cyclical and have occasional sharp price movements which may result from changes in the economy, fuel prices, labor agreements and insurance costs. The exploration of space and the utilization of space assets is a business focused on the future and is witnessing new entrants into the market. This is a global event with a growing number of corporate participants looking to meet the future needs of a growing global population. Therefore, investments in the Fund will be riskier than traditional investments in established industry sectors and the growth of these companies may be slower and subject to setbacks as new technological advancements are made to expand into space.
Communication Services Sector Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Communication Services Sector Risk — The communication services sector may be dominated by a small number of companies which may lead to additional volatility in the sector. Communication services companies are particularly vulnerable to the potential obsolescence of products and services due to technological advances and the innovation of competitors. Communication services companies may also be affected by other competitive pressures, such as pricing competition, as well as research and development costs, substantial capital requirements, and government regulation. Fluctuating domestic and international demand, shifting demographics, and often unpredictable changes in consumer demand can drastically affect a communication services company’s profitability. Compliance with governmental regulations, delays or failure to receive regulatory approvals, or the enactment of new regulatory requirements may negatively affect the business of telecommunication services companies. Certain companies in the communication services sector may be particular targets of network security breaches, hacking and potential theft of proprietary or consumer information, or disruptions in services, which would have a material adverse effect on their businesses.
Aerospace and Defense Industry Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Aerospace and Defense Industry Risk — The aerospace and defense industry can be significantly affected by government regulation and spending policies because companies involved in this industry rely, to a significant extent, on government demand for their products and services. The financial condition of companies in this industry is heavily influenced by government defense spending, which may be reduced in efforts to control government budgets. The aerospace industry in particular has recently been affected by adverse economic conditions and consolidation within the industry.
Artificial Intelligence (AI) and Big Data Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Artificial Intelligence (AI) and Big Data Company Risk —
Companies engaged in artificial intelligence (“AI”) and big data typically face 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. AI and big data companies typically engage in significant amounts of spending on research and development, as well as mergers and acquisitions, and there is no guarantee that the products or services produced by these companies will be successful. The products and services of AI and big data companies may face obsolescence due to rapid technological developments and frequent new product or service introduction, unpredictable changes in growth rates and competition for the services of qualified personnel. AI and big data companies are potential targets for cyberattacks, which can have a materially adverse impact on the performance of these companies. In addition, AI technology could face increasing regulatory scrutiny in the future, which may limit the development of this technology and impede the growth of companies that develop and/or utilize this technology. Similarly, 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. AI and big data companies may face regulatory fines and penalties, including forced break-ups, that could hinder the ability of the companies to operate on an ongoing basis. The customers and/or suppliers of AI and big data 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 AI and big data companies. Country, government, and/or region-specific regulations or restrictions could have an impact on AI and big data companies.
Money Market Instrument Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Money Market Instrument Risk — The Fund may use a variety of money market instruments for cash management purposes, including money market funds, depositary accounts and repurchase agreements. Money market funds may be subject to credit risk with respect to the debt instruments in which they invest. Depository accounts may be subject to credit risk with respect to the financial institution in which the depository account is held. Money market instruments may lose money.
Liquidity Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Liquidity Risk — Holdings of the Fund may be difficult to buy or sell or may be illiquid, particularly during times of market turmoil. There is no assurance that a security or derivative instrument that is deemed liquid when purchased will continue to be liquid. Illiquid securities may be difficult to value, especially in changing or volatile markets. If the Fund is forced to buy or sell an illiquid security or derivative instrument at an unfavorable time or price, the Fund may be adversely impacted. Certain market conditions or restrictions may prevent the Fund from limiting losses, realizing gains or achieving its investment objective. In certain market conditions the Fund may be one of many market participants that is attempting to transact in the underlying security. Under such circumstances, the market for the underlying security may lack sufficient liquidity for all market participants' trades. Therefore, the Fund may have more difficulty transacting in the securities or financial instruments and the Fund's transactions could exacerbate illiquidity and price volatility. To the extent that the instruments utilized by the Fund are thinly traded or have a limited market, the Fund may be unable to meet its investment objective due to a lack of available investments or counterparties. During such periods, the Fund’s ability to issue additional Creation Units may be adversely affected. As a result, the Fund’s shares could trade at a premium or discount to their net asset value and/or the bid-ask spread of the Fund’s shares could widen. Under such circumstances, the Fund may be unable to rebalance its exposure properly which may result in significantly more or less exposure and losses to the Fund. In such an instance, the Fund may increase its transaction fee, utilize derivatives instruments that are less correlated to SpaceX, change its investment objective, reduce its exposure for a period of time or close.
Early Close Trading Halt Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Early Close/Trading Halt Risk — An exchange or market may close early and unexpectedly or issue trading halts on specific securities or financial instruments. Under such circumstances, the Fund may be unable to execute intended portfolio transactions, rebalance its portfolio, or accurately price its investments, and may disrupt the Fund’s creation/redemption process which means the Fund may be unable to achieve its investment objective and it may incur substantial losses or reduced gains.
Equity Securities Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Equity Securities Risk — Publicly issued equity securities, including common stocks, are subject to market risks that may cause their prices to fluctuate over time. Fluctuations in the value of equity securities in which the Fund invests, and/or has exposure to, will cause the net asset value of the Fund to fluctuate.
Cash Transaction Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Cash Transaction Risk— At certain times, the Fund may effect creations and redemptions for cash rather than for in-kind securities. As a result, the Fund may not be tax efficient and may incur brokerage and financing costs related to buying and selling securities or obtaining derivative exposure to achieve its investment objective thus incurring additional expenses than if it had effected creations and redemptions in kind. To the extent that such costs are not offset by transaction fees paid by an authorized participant, the Fund may bear such costs, which will decrease the Fund’s net asset value.
High Portfolio Turnover Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] High Portfolio Turnover Risk— Daily rebalancing of the Fund’s holdings pursuant to its daily investment objective causes a much greater number of portfolio transactions when compared to most ETFs. Additionally, active secondary market trading of the Shares could cause more frequent creation and redemption activities, which would increase the number of portfolio transactions. High levels of portfolio transactions may cause higher transaction costs because of increased broker commissions resulting from such transactions and increased taxable capital gains. The Fund calculates portfolio turnover without including the short-term cash instruments or derivative transactions that comprise most of the Fund’s trading. As such, if the Fund’s extensive use of derivative instruments were reflected, the calculated portfolio turnover rate would be significantly higher.
Tax Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Tax Risk — In order to qualify for the special tax treatment accorded a regulated investment company (“RIC”) and its shareholders, the Fund must derive at least 90% of its gross income for each taxable year from “qualifying income,” meet certain asset diversification tests at the end of each taxable quarter, and meet annual distribution requirements. The Fund’s pursuit of its investment strategy will potentially be limited by the Fund’s intention to qualify for such treatment and could adversely affect the Fund’s ability to so qualify. The Fund may make certain investments, the treatment of which for these purposes is unclear. If, in any year, the Fund were to fail to qualify for the special tax treatment accorded a RIC and its shareholders, and were ineligible to or were not able to cure such failure, the Fund would be taxed in the same manner as an ordinary corporation subject to U.S. federal income tax on all its income at the fund level. The resulting taxes could substantially reduce the Fund’s net assets and the amount of income available for distribution. In addition, in order to requalify for taxation as a RIC, the Fund could be required to recognize unrealized gains, pay substantial taxes and interest, and make certain distributions. Please see the section entitled “Dividends, Other Distributions and Taxes” in the Statement of Additional Information for more information.
NonDiversification Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Non-Diversification Risk — The Fund has the ability to invest a relatively high percentage of its assets in the securities of a small number of issuers or in financial instruments with a single counterparty or a few counterparties. This may increase the Fund’s volatility and increase the risk that the Fund’s performance will decline based on the performance of a single issuer, the credit of a single counterparty, and/or a single economic, political or regulatory event.
Securities Lending Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Securities Lending Risk— Securities lending involves the risk that the Fund may lose money because the borrower of the loaned securities fails to return the securities in a timely manner or at all. The Fund could also lose money in the event of a decline in the value of collateral provided for loaned securities, a decline in the value of any investments made with cash collateral, or a “gap” between the return on cash collateral reinvestments and any fees the Fund has agreed to pay a borrower. These events could also trigger adverse tax consequences for the Fund.
Authorized Participants Concentration Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Authorized Participants Concentration Risk. The Fund may have a limited number of financial institutions that may act as Authorized Participants. To the extent that those Authorized Participants exit the business or are unable to process creation and/or redemption orders, Shares may trade at larger bid-ask spreads and/or premiums or discounts to net asset value. Authorized Participant concentration risk may be heightened for a fund that invests in non-U.S. securities or other securities or instruments that have lower trading volumes.
Absence of Active Market Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Absence of Active Market Risk. Although Shares are listed for trading on a stock exchange, there is no assurance that an active trading market for them will develop or be maintained. In the absence of an active trading market for Shares, they will likely trade with a wider bid/ask spread and at a greater premium or discount to net asset value.
Market Price Variance Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Market Price Variance Risk. Fund Shares can be bought and sold in the secondary market at market prices, which may be higher or lower than the net asset value of the Fund. When Shares trade at a price greater than net asset value, they are said to trade at a “premium.” When they trade at a price less than net asset value, they are said to trade at a “discount.” The market price of Shares fluctuates based on changes in the value of the Fund’s holdings, the supply and demand for Shares and other market factors. The market price of Shares may vary significantly from the Fund’s net asset value especially during times of market volatility or stress. Further, to the extent that exchange specialists, market makers, Authorized Participants, or other market participants are unavailable or unable to trade the Fund’s Shares and/or create or redeem Creation Units premiums or discounts may increase.
Trading Cost Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Trading Cost Risk. When buying or selling Shares in the secondary market, a buyer may incur brokerage commission or other charges. In addition, a buyer may incur the cost of the “spread” also known as the bid-ask spread, which is the difference between what investors are willing to pay for Fund shares (the “bid” price) and the price at which they are willing to sell Fund shares (the “ask” price). The bid-ask spread varies over time based on, among other things, trading volume, market liquidity and market volatility. Because of the costs inherent in buying or selling Fund shares, frequent trading may detract significantly from investment results.
Exchange Trading Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block] Exchange Trading Risk. Shares are listed for trading on the NYSE Arca. They also may be listed or traded on other U.S. and non-U.S. stock exchanges and may trade on electronic communication networks. Trading in Shares on their listing exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in Shares inadvisable, including if they fail to meet the listing requirements of the exchange. Under certain circumstances, Shares may even be delisted. Trading halts of Shares should be expected to disrupt the Fund’s creation/redemption process and may temporarily prevent investors from buying and selling Shares. Like other listed securities, Shares of the Fund may be sold short, and short positions in Shares may place downward pressure on their market price.
Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] The Fund may not achieve its leveraged investment objective and there is a risk that you could lose all of your money invested in the Fund.