Investment Risks - VanEck U.S. Equity Buffer ETF - July |
Aug. 18, 2026 |
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| Defined Outcome Strategy Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Defined Outcome Strategy Risk. The Fund, in employing a “defined outcome strategy” is subject to certain unique risks, which are detailed below. Buffered Loss Risk. There can be no guarantee that the Fund will be successful in its strategy to provide buffer protection against Underlying ETF losses if the Underlying ETF’s share price decreases by 20% or less over the duration of the Outcome Period. A shareholder may lose their entire investment. The Fund’s strategy seeks to deliver returns that match those of the Underlying ETF (up to the Cap), while limiting downside losses, if Shares are held at the time at which the Fund enters into the FLEX Options and held until those FLEX Options expire at the end of the Outcome Period. In the event an investor purchases Shares after the FLEX Options were entered into or sells Shares prior to the expiration of the FLEX Options, the Buffer that the Fund seeks to provide may not be available. The Fund does not provide principal protection or non-principal protection, and an investor may experience significant losses on its investment, including the loss of its entire investment. Capped Upside Return Risk. The Fund’s strategy seeks to provide returns that are subject to the Cap. In the event that the Underlying ETF experiences gains in excess of the Cap for the Outcome Period, the Fund will not participate in, and will underperform the Underlying ETF to the extent of, those gains beyond the Cap. The Fund’s strategy seeks to deliver returns that match those of the Underlying ETF (up to the Cap), while limiting downside losses, if Shares are held at the time at which the Fund enters into the FLEX Options and held until those FLEX Options expire at the end of the Outcome Period. In the event an investor purchases Shares after the FLEX Options were entered into, there may be little or no ability for that investor to experience an investment gain on their Shares. Further, because the FLEX Options are designed to produce returns that match the price return of the Underlying ETF (subject to the Cap) on the last day of the Outcome Period, if an investor sells Shares prior to the expiration date of the FLEX Options such investor may sell at a point where the Fund’s performance does not match the performance of the Underlying ETF over the Outcome Period, and therefore may sell at a point where the Fund has underperformed the Underlying ETF. The Fund seeks to actively manage its portfolio such that any transaction fees incurred by the Fund in connection with the management of the Fund’s assets will not impact the Fund’s performance in seeking to provide upside exposure to the Underlying ETF or the Fund’s ability to experience returns that match the Cap, to the extent the returns of the Underlying ETF are equal to or greater than the Cap. However, it is not guaranteed that the Fund will be able to successfully manage its assets to contemplate the transaction fees incurred by the Fund to achieve the Outcomes sought by the Fund. Outcome Period Risk. The Fund’s investment strategy is designed to deliver returns that match those of the Underlying ETF’s share price if Shares are held from the time the Fund enters into the FLEX Options and held until those FLEX Options expire at the end of the Outcome Period. In the event an investor purchases Shares after the FLEX Options were entered into or sells Shares prior to the expiration of the FLEX Options, the returns realized by the investor will not match those that the Fund seeks to provide. Upside Participation Risk. There can be no guarantee that the Fund will be successful in its strategy to provide shareholders with a total return that matches the increases in the price of the Underlying ETF over the Outcome Period, subject to a maximum return imposed by the Cap. In the event an investor purchases Shares after the FLEX Options were entered into or does not stay invested in the Fund for the entirety of the Outcome Period, the returns realized by such investor may not match those that the Fund seeks to achieve. Cap Change Risk. A new Cap is established at the beginning of each Outcome Period and is dependent on prevailing market conditions at the time the Cap is established. As such, the Cap may rise or fall from one Outcome Period to the next and is unlikely to remain the same for consecutive Outcome Periods.
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| Defined Outcome Strategy Risk, Buffered Loss Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Buffered Loss Risk. There can be no guarantee that the Fund will be successful in its strategy to provide buffer protection against Underlying ETF losses if the Underlying ETF’s share price decreases by 20% or less over the duration of the Outcome Period. A shareholder may lose their entire investment. The Fund’s strategy seeks to deliver returns that match those of the Underlying ETF (up to the Cap), while limiting downside losses, if Shares are held at the time at which the Fund enters into the FLEX Options and held until those FLEX Options expire at the end of the Outcome Period. In the event an investor purchases Shares after the FLEX Options were entered into or sells Shares prior to the expiration of the FLEX Options, the Buffer that the Fund seeks to provide may not be available. The Fund does not provide principal protection or non-principal protection, and an investor may experience significant losses on its investment, including the loss of its entire investment.
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| Defined Outcome Strategy Risk, Capped Upside Return Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Capped Upside Return Risk. The Fund’s strategy seeks to provide returns that are subject to the Cap. In the event that the Underlying ETF experiences gains in excess of the Cap for the Outcome Period, the Fund will not participate in, and will underperform the Underlying ETF to the extent of, those gains beyond the Cap. The Fund’s strategy seeks to deliver returns that match those of the Underlying ETF (up to the Cap), while limiting downside losses, if Shares are held at the time at which the Fund enters into the FLEX Options and held until those FLEX Options expire at the end of the Outcome Period. In the event an investor purchases Shares after the FLEX Options were entered into, there may be little or no ability for that investor to experience an investment gain on their Shares. Further, because the FLEX Options are designed to produce returns that match the price return of the Underlying ETF (subject to the Cap) on the last day of the Outcome Period, if an investor sells Shares prior to the expiration date of the FLEX Options such investor may sell at a point where the Fund’s performance does not match the performance of the Underlying ETF over the Outcome Period, and therefore may sell at a point where the Fund has underperformed the Underlying ETF. The Fund seeks to actively manage its portfolio such that any transaction fees incurred by the Fund in connection with the management of the Fund’s assets will not impact the Fund’s performance in seeking to provide upside exposure to the Underlying ETF or the Fund’s ability to experience returns that match the Cap, to the extent the returns of the Underlying ETF are equal to or greater than the Cap. However, it is not guaranteed that the Fund will be able to successfully manage its assets to contemplate the transaction fees incurred by the Fund to achieve the Outcomes sought by the Fund.
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| Defined Outcome Strategy Risk, Outcome Period Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Outcome Period Risk. The Fund’s investment strategy is designed to deliver returns that match those of the Underlying ETF’s share price if Shares are held from the time the Fund enters into the FLEX Options and held until those FLEX Options expire at the end of the Outcome Period. In the event an investor purchases Shares after the FLEX Options were entered into or sells Shares prior to the expiration of the FLEX Options, the returns realized by the investor will not match those that the Fund seeks to provide.
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| Defined Outcome Strategy Risk, Upside Participation Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Upside Participation Risk. There can be no guarantee that the Fund will be successful in its strategy to provide shareholders with a total return that matches the increases in the price of the Underlying ETF over the Outcome Period, subject to a maximum return imposed by the Cap. In the event an investor purchases Shares after the FLEX Options were entered into or does not stay invested in the Fund for the entirety of the Outcome Period, the returns realized by such investor may not match those that the Fund seeks to achieve.
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| Defined Outcome Strategy Risk, Cap Change Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Cap Change Risk. A new Cap is established at the beginning of each Outcome Period and is dependent on prevailing market conditions at the time the Cap is established. As such, the Cap may rise or fall from one Outcome Period to the next and is unlikely to remain the same for consecutive Outcome Periods.
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| FLEX Options Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | FLEX Options Risk. The Fund will utilize FLEX Options issued and guaranteed for settlement by the OCC. The Fund bears the risk that the OCC will be unable or unwilling to perform its obligations under the FLEX Options contracts. In the unlikely event that the OCC becomes insolvent or is otherwise unable to meet its settlement obligations, the Fund could suffer significant losses. Additionally, FLEX Options may be less liquid than certain other securities, such as standardized options. In less liquid markets for the FLEX Options, the Fund may have difficulty closing out certain FLEX Options positions at desired times and prices. In connection with the creation and redemption of Shares, to the extent market participants are not willing or able to enter into FLEX Option transactions with the Fund at prices that reflect the market price of the Shares, the Fund’s NAV and, in turn the share price of the Fund, could be negatively impacted. The Fund may experience substantial downside from specific FLEX Option positions and certain FLEX Option positions may expire worthless. The FLEX Options held by the Fund are exercisable at the strike price on their expiration date. As a FLEX Option approaches its expiration date, its value typically increasingly moves with the value of the Underlying ETF. However, prior to such date, the value of the FLEX Options does not increase or decrease at the same rate as the Underlying ETF’s share price on a day-to-day basis (although they generally move in the same direction). The value of the FLEX Options held by the Fund will be determined based on market quotations or other recognized pricing methods. The value of the underlying FLEX Options will be affected by, among others, changes in the Underlying ETF’s share price, changes in interest rates, changes in the actual and implied volatility of the Underlying ETF and the remaining time until the FLEX Options expire.
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| Option Contracts Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Option Contracts Risk. The use of option contracts involves investment strategies and risks different from those associated with ordinary portfolio securities transactions. The prices of option contracts are volatile and are influenced by, among other things, actual and anticipated changes in the value of the underlying instrument, changes in interest or currency exchange rates, including the anticipated volatility, which are affected by fiscal and monetary policies and by national and international political developments, changes in the actual or implied volatility or the reference asset, the time remaining until the expiration of the option contract and economic events. There may at times be an imperfect correlation between the movement in values option contracts and the reference asset, and there may at times not be a liquid secondary market for certain option contracts. |
| Derivatives Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Derivatives Risk. Derivatives are financial instruments whose values are based on the value of one or more reference assets or indicators, such as a security, currency, interest rate, or index. The Fund’s use of derivatives involves risks different from, and possibly greater than, the risks associated with investing directly in securities and other more traditional investments. Moreover, although the value of a derivative is based on an underlying asset or indicator, a derivative typically does not carry the same rights as would be the case if the Fund invested directly in the underlying securities, currencies or other assets. Derivatives are subject to a number of risks, such as potential changes in value in response to market developments or, in the case of “over-the-counter” derivatives, as a result of a counterparty’s credit quality and the risk that a derivative transaction may not have the effect the Adviser anticipated. Derivatives also involve the risk of mispricing or improper valuation and the risk that changes in the value of a derivative may not achieve the desired correlation with the underlying asset or indicator. Derivative transactions can create investment leverage and may be highly volatile, and the Fund could lose more than the amount it invests. The use of derivatives may increase the amount and affect the timing and character of taxes payable by shareholders of the Fund. Many derivative transactions are entered into “over-the-counter” without a central clearinghouse; as a result, the value of such a derivative transaction will depend on, among other factors, the ability and the willingness of the Fund’s counterparty to perform its obligations under the transaction. If a counterparty were to default on its obligations, the Fund’s contractual remedies against such counterparty may be subject to bankruptcy and insolvency laws, which could affect the Fund’s rights as a creditor (e.g., the Fund may not receive the net amount of payments that it is contractually entitled to receive). Counterparty risk also refers to the related risks of having concentrated exposure to such a counterparty. A liquid secondary market may not always exist for the Fund’s derivative positions at any time, and the Fund may not be able to initiate or liquidate a swap position at an advantageous time or price, which may result in significant losses. The Fund may also face the risk that it may not be able to meet margin and payment requirements to maintain a derivatives position. Derivatives are also subject to operational and legal risks. Operational risk generally refers to risk related to potential operational issues, including documentation issues, settlement issues, system failures, inadequate controls, and human errors. Legal risk generally refers to insufficient documentation, insufficient capacity or authority of counterparty, or legality or enforceability of a contract.
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| Clearing Member Default Risk Member | |
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| Risk [Text Block] | Clearing Member Default Risk. Transactions in some types of derivatives, including FLEX Options, are required to be centrally cleared (“cleared derivatives”). In a transaction involving cleared derivatives, the Fund’s counterparty is a clearing house, such as the OCC, rather than a bank or broker. Since the Fund is not a member of clearing houses and only members of a clearing house (“clearing members”) can participate directly in the clearing house, the Fund will hold cleared derivatives through accounts at clearing members. In cleared derivatives positions, the Fund will make payments (including margin payments) to, and receive payments from, a clearing house through their accounts at clearing members. Customer funds held at a clearing organization in connection with any option contracts are held in a commingled omnibus account and are not identified to the name of the clearing member’s individual customers. As a result, assets deposited by the Fund with any clearing member as margin for its FLEX Options may, in certain circumstances, be used to satisfy losses of other clients of the Fund’s clearing member. In addition, although clearing members guarantee performance of their clients’ obligations to the clearing house, there is a risk that the assets of the Fund might not be fully protected in the event of the clearing member’s bankruptcy. The Fund is also subject to the risk that a limited number of clearing members are willing to transact on the Fund’s behalf, which heightens the risks associated with a clearing member’s default. If a clearing member defaults, the Fund could lose some or all of the benefits of a transaction entered into by the Fund with the clearing member. The loss of a clearing member for the Fund to transact with could result in increased transaction costs and other operational issues that could impede the Fund’s ability to implement its investment strategy. If the Fund cannot find a clearing member to transact with on the Fund’s behalf, the Fund may be unable to effectively implement its investment strategy.
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| Counterparty Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Counterparty Risk. Counterparty risk is the risk an issuer, guarantor or counterparty of a security in the Fund is unable or unwilling to meet its obligation on the security. Counterparty risk may arise because of the counterparty’s financial condition, market activities, or for other reasons. The Fund may be unable to recover its investment from the counterparty or may obtain a limited and/or delayed recovery. The OCC acts as guarantor and central counterparty with respect to the FLEX Options. As a result, the ability of the Fund to meet its objective depends on the OCC being able to meet its obligations. In the event an OCC clearing member that is a counterparty of the Fund were to become insolvent, the Fund may have some or all of its FLEX Options closed without its consent or may experience delays or other difficulties in attempting to close or exercise its affected FLEX Options positions, both of which would impair the Fund’s ability to deliver on its investment strategy. The OCC’s rules and procedures are designed to facilitate the prompt settlement of options transactions and exercises, including for clearing member insolvencies. However, there is the risk that the OCC and its backup system will fail if clearing member insolvencies are substantial or widespread. In the unlikely event that the OCC becomes insolvent or is otherwise unable to meet its settlement obligations, the Fund could suffer significant losses.
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| Underlying ETF Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Underlying ETF Risk. The Fund’s investment performance largely depends on the investment performance and associated risks of the Underlying ETF. The Underlying ETF is subject to many of the same structural risks as the Fund that are described in more detail herein. However, the risks of investing in an ETF also include the risks associated with the underlying investments held by the ETF. As such, the Fund may be subject to the following risks as a result of its exposure to the Underlying ETF: Equity Securities Risk. The value of the equity securities held by the Underlying ETF may fall due to general market and economic conditions, perceptions regarding the markets in which the issuers of securities held by the Underlying ETF participate, or factors relating to specific issuers in which the Underlying ETF invests. Equity securities are subordinated to preferred securities and debt in a company’s capital structure with respect to priority to a share of corporate income, and therefore will be subject to greater dividend risk than preferred securities or debt instruments. In addition, while broad market measures of equity securities have historically generated higher average returns than fixed income securities, equity securities have generally also experienced significantly more volatility in those returns. Information Technology Sector Risk. The Underlying ETF may be sensitive to, and its performance may depend to a greater extent on, the overall condition of the information technology sector. Information technology companies face intense competition, both domestically and internationally, which may have an adverse effect on profit margins. Information technology companies may have limited product lines, markets, financial resources or personnel. The products of information technology companies may face product obsolescence due to frequent new product introduction, unpredictable changes in growth rates and competition for the services of qualified personnel. They may face unexpected risks and costs associated with technological developments, such as artificial intelligence and machine learning. Failure to introduce new products, develop and maintain a loyal customer base, or achieve general market acceptance for their products could have a material adverse effect on a company’s business. Further, many companies involved in, or exposed to, artificial intelligence-related businesses may be substantially exposed to the market and business risks of other industries or sectors, and the Underlying ETF may be adversely affected by negative developments impacting those companies, industries or sectors. Companies in the information technology sector are heavily dependent on patent protection and the expiration of patents may adversely affect the profitability of these companies. In addition, information technology may face increased government scrutiny and may be subject to adverse government or legal action. Large-Capitalization Companies Risk. The Underlying ETF may invest in large-capitalization companies and, therefore will be subject to certain risks associated with large-capitalization companies. Securities of large-capitalization companies could fall out of favor with the market and underperform securities of small- or medium-capitalization companies. Larger, more established companies may be slow to respond to challenges and may grow more slowly than smaller companies.
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| Underlying ETF Risk, Equity Securities Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Equity Securities Risk. The value of the equity securities held by the Underlying ETF may fall due to general market and economic conditions, perceptions regarding the markets in which the issuers of securities held by the Underlying ETF participate, or factors relating to specific issuers in which the Underlying ETF invests. Equity securities are subordinated to preferred securities and debt in a company’s capital structure with respect to priority to a share of corporate income, and therefore will be subject to greater dividend risk than preferred securities or debt instruments. In addition, while broad market measures of equity securities have historically generated higher average returns than fixed income securities, equity securities have generally also experienced significantly more volatility in those returns. |
| Underlying ETF Risk, Information Technology Sector Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Information Technology Sector Risk. The Underlying ETF may be sensitive to, and its performance may depend to a greater extent on, the overall condition of the information technology sector. Information technology companies face intense competition, both domestically and internationally, which may have an adverse effect on profit margins. Information technology companies may have limited product lines, markets, financial resources or personnel. The products of information technology companies may face product obsolescence due to frequent new product introduction, unpredictable changes in growth rates and competition for the services of qualified personnel. They may face unexpected risks and costs associated with technological developments, such as artificial intelligence and machine learning. Failure to introduce new products, develop and maintain a loyal customer base, or achieve general market acceptance for their products could have a material adverse effect on a company’s business. Further, many companies involved in, or exposed to, artificial intelligence-related businesses may be substantially exposed to the market and business risks of other industries or sectors, and the Underlying ETF may be adversely affected by negative developments impacting those companies, industries or sectors. Companies in the information technology sector are heavily dependent on patent protection and the expiration of patents may adversely affect the profitability of these companies. In addition, information technology may face increased government scrutiny and may be subject to adverse government or legal action. |
| Underlying ETF Risk, Large-Capitalization Companies Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Large-Capitalization Companies Risk. The Underlying ETF may invest in large-capitalization companies and, therefore will be subject to certain risks associated with large-capitalization companies. Securities of large-capitalization companies could fall out of favor with the market and underperform securities of small- or medium-capitalization companies. Larger, more established companies may be slow to respond to challenges and may grow more slowly than smaller companies.
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| Correlation Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Correlation Risk. The FLEX Options held by the Fund will be exercisable at the strike price only on their expiration date. As a FLEX Option approaches its expiration date, its value typically will increasingly move with the value of the Underlying ETF. However, prior to the expiration date, the value of the FLEX Options may vary prior to the expiration date because of related factors other than the value of the Underlying ETF. The value of the FLEX Options will be determined based upon market quotations or using other recognized pricing methods. Factors that may influence the value of the FLEX Options include interest rate changes and implied volatility levels of the Underlying ETF, among others. The value of the FLEX Options held by the Fund typically do not increase or decrease at the same level as the Underlying ETF’s share price on a day-to-day basis due to these factors (although they generally move in the same direction).
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| Concentration Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Concentration Risk. To the extent the Fund has significant exposure in a single asset class or the securities of issuers within the same country, state, region, industry or sector, an adverse economic, business or political development may affect the value of the Fund’s investments more than if the Fund were more broadly diversified. A significant exposure makes the Fund more susceptible to any single occurrence and may subject the Fund to greater market risk than a fund that is more broadly diversified.
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| Investment Objective Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Investment Objective Risk. Certain circumstances under which the Fund might not achieve its objective include, but are not limited, to (i) if the Fund disposes of FLEX Options, (ii) if the Fund is unable to maintain the proportional relationship based on the number of FLEX Options in the Fund’s portfolio, (iii) a significant accrual of Fund expenses in connection with effecting the Fund’s principal investment strategy or (iv) adverse tax law changes affecting the treatment of FLEX Options.
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| Liquidity Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Liquidity Risk. In the event that trading in the underlying FLEX Options is limited or absent, the value of the Fund’s FLEX Options may decrease. There is no guarantee that a liquid secondary trading market will exist for the FLEX Options. The trading in FLEX Options may be less deep and liquid than the market for certain other securities, including certain non-customized option contracts. In a less liquid market for the FLEX Options, terminating the FLEX Options may require the payment of a premium or acceptance of a discounted price and may take longer to complete. Additionally, the liquidation of a large number of FLEX Options may more significantly impact the price in a less liquid market. Further, the Fund requires a sufficient number of participants to facilitate the purchase and sale of options on an exchange to provide liquidity to the Fund for its FLEX Option positions. A less liquid trading market may adversely impact the value of the FLEX Options and the value of your investment.
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| Market Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market Risk. The Fund could lose money over short periods due to short-term market movements and over longer periods during more prolonged market downturns. Assets may decline in value due to factors affecting financial markets generally or particular asset classes or industries represented in the markets. The value of FLEX Options or other assets may also decline due to general market conditions, economic trends or events that are not specifically related to the issuer of the security or other asset, or due to factors that affect a particular issuer or issuers, country, group of countries, region, market, industry, group of industries, sector or asset class. During a general market downturn, multiple asset classes may be negatively affected. Changes in market conditions and interest rates will not have the same impact on all types of securities. The prices of securities are subject to the risks associated with investing in the securities market, including general economic conditions, sudden and unpredictable drops in value, exchange trading suspensions and closures and public health risks. These risks may be magnified if certain social, political, economic and other conditions and events (such as natural disasters, epidemics and pandemics, terrorism, war or other conflicts, social unrest, recessions, inflation, interest rate changes, supply chain disruptions, embargoes, tariffs, sanctions and other trade barriers) adversely interrupt the global economy; in these and other circumstances, such events or developments might affect companies world-wide. Overall securities values could decline generally or underperform other investments. An investment may lose money.
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| Tax Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Tax Risk. The Fund intends to qualify as a “regulated Investment company” (“RIC”). However, the federal income tax treatment of certain aspects of the proposed operations of the Fund are not entirely clear. This includes the tax aspects of the Fund’s options strategy, the possible application of the “straddle” and “constructive sale” rules, and various loss limitation provisions of the Internal Revenue Code of 1986. If, in any year, the Fund fails to qualify as a regulated investment company under the applicable tax laws, the Fund would be taxed as an ordinary corporation. Certain options on an ETF may not qualify as “Section 1256 contracts” under Section 1256 of the Internal Revenue Code of 1986, and disposition of such options will likely result in short-term or long-term capital gains or losses depending on the holding period. The Fund intends to treat any income it may derive from the FLEX Options as “qualifying income” under the provisions of the Internal Revenue Code of 1986 applicable to RICs. In addition, based upon language in the legislative history, the Fund intends to treat the issuer of the FLEX Options as the referenced asset, which, assuming the referenced asset qualifies as a RIC, would allow the Fund to qualify for special rules in the RIC diversification requirements. If the income is not qualifying income or the issuer of the FLEX Options is not appropriately the referenced asset, the Fund could lose its own status as a RIC. To maintain its status as a RIC, the Fund must distribute 90% of its investment company taxable income annually. In addition, to avoid a non-deductible excise tax, the Fund must distribute 98% of its ordinary income and 98.2% of its capital gain net income. Separately, depending upon the circumstances, sales to fund redemptions could cause the Fund to recognize income that the Fund is required to distribute to maintain the Fund’s RIC status and avoid the excise tax. Funding such distributions could require additional sales, which could require more distributions and affect the projected performance of the Fund. Alternatively, if the Fund only makes distributions to maintain its RIC status and becomes subject to the excise tax, that could also affect the projected performance of the Fund. In either case, the assets sold to fund redemptions, distributions or pay the excise tax will not be available to assist the Fund in meeting its target outcome. In the event that a shareholder purchases shares of the Fund shortly before a distribution by the Fund, the entire distribution may be taxable to the shareholder even though a portion of the distribution effectively represents a return of the purchase price.
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| Investing In ETFs Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Investing in ETFs Risk. The Fund’s performance may depend in part on the performance of the Underlying ETF in which it invests. The Fund will pay indirectly a proportional share of the fees and expenses of the Underlying ETF in which it invests, including its investment advisory and administration fees, while continuing to pay its own management fee. As a result, the Fund’s shareholders will indirectly bear the expenses of the Underlying ETF, absorbing duplicative levels of fees. |
| Active Management Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Active Management Risk. In managing the Fund’s portfolio, the Adviser will apply investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results. Investment decisions made by the Adviser in seeking to achieve the Fund’s investment objective may cause a decline in the value of the investments held by the Fund and, in turn, cause the Fund’s shares to lose value or underperform other funds with similar investment objectives. |
| Sub-Adviser Risk Member | |
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| Risk [Text Block] | Sub-Adviser Risk. The Sub-Adviser may have little experience managing registered investment companies which are subject to daily inflows and outflows of investor cash and are subject to certain legal and tax-related restrictions on their investments and operations.
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| Affiliated Fund Investment Risk Member | |
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| Risk [Text Block] | Affiliated Fund Investment Risk. In managing the Fund, the Adviser and/or the Sub-Adviser have the ability to select underlying funds which they believe will achieve the Fund’s investment objective. The Adviser and/or the Sub-Adviser may be subject to potential conflicts of interest in selecting underlying funds because the Adviser and/or the Sub-Adviser may, due to its own financial interest or other business considerations, have an incentive to invest in funds managed by the Adviser and/or the Sub-Adviser or their affiliates rather than investing in funds managed or sponsored by others.
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| Operational Risk Member | |
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| Risk [Text Block] | Operational Risk. The Fund is exposed to operational risk arising from a number of factors, including human error, processing and communication errors, errors of the Fund’s service providers, counterparties or other third-parties, failed or inadequate processes and technology or system failures.
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| Authorized Participant Concentration Risk Member | |
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| Risk [Text Block] | Authorized Participant Concentration Risk. The Fund may have a limited number of Authorized Participants, none of which are obligated to engage in creation and/or redemption transactions. To the extent that those Authorized Participants exit the business, or do not process creation and/or redemption orders, there may be a significantly diminished trading market for Shares or Shares may trade like closed-end funds at a discount (or premium) to net asset value and possibly face trading halts and/or de-listing. This can be reflected as a spread between the bid-ask prices for the Fund. The Authorized Participant concentration risk may be heightened with respect to certain types of assets or in cases where Authorized Participants have limited or diminished access to the capital required to post collateral. |
| New Fund Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | New Fund Risk. The Fund is a new fund, with a limited or no operating history and a small asset base. There can be no assurance that the Fund will grow to or maintain a viable size. Due to the Fund’s small asset base, certain of the Fund’s expenses and its portfolio transaction costs may be higher than those of a fund with a larger asset base. To the extent that the Fund does not grow to or maintain a viable size, it may be liquidated, and the expenses, timing and tax consequences of such liquidation may not be favorable to some shareholders.
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| Cash Transactions Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Cash Transactions Risk. Unlike other ETFs, the Fund expects to effect its creations and redemptions at least partially for cash, rather than wholly for in-kind securities. Therefore, it may be required to sell portfolio securities and subsequently incur brokerage costs and/or recognize gains or losses on such sales that the Fund might not have recognized if it were to distribute portfolio securities in kind. As such, investments in Shares may be less tax-efficient than an investment in a conventional ETF. Transaction costs, including brokerage costs, will decrease the Fund’s net asset value to the extent not offset by the transaction fee payable by an Authorized Participant. |
| No Guarantee Of Active Trading Market Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | No Guarantee of Active Trading Market Risk. There can be no assurance that an active trading market for the Shares will develop or be maintained, as applicable. Further, secondary markets may be subject to irregular trading activity, wide bid/ask spreads and extended trade settlement periods in times of market stress because market makers and Authorized Participants may step away from making a market in the Shares and in executing creation and redemption orders, which could cause a material deviation in the Fund’s market price from its net asset value. |
| Trading Issues Risk Member | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Trading Issues Risk. Trading in shares on the exchange may be halted due to market conditions or for reasons that, in the view of the exchange, make trading in shares inadvisable. In addition, trading in shares on the exchange is subject to trading halts caused by extraordinary market volatility pursuant to the relevant exchange’s “circuit breaker” rules. If a trading halt or unanticipated early close of the exchange occurs, a shareholder may be unable to purchase or sell Shares of the Fund. There can be no assurance that requirements of the exchange necessary to maintain the listing of the Fund will continue to be met or will remain unchanged.
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| Fund Shares Trading, Premium/Discount Risk And Liquidity Of Fund Shares Risk Member | |
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| Risk [Text Block] | Fund Shares Trading, Premium/Discount Risk and Liquidity of Fund Shares. The market price of the Shares may fluctuate in response to the Fund’s net asset value, the intraday value of the Fund’s holdings and supply and demand for Shares. Shares may trade above, below, or at their most recent net asset value. Factors including disruptions to creations and redemptions, the existence of market volatility or potential lack of an active trading market for Shares (including through a trading halt), may result in Shares trading at a significant premium or discount to net asset value or to the intraday value of the Fund’s holdings. If a shareholder purchases Shares at a time when the market price is at a premium to the net asset value or sells Shares at a time when the market price is at a discount to the net asset value, the shareholder may pay significantly more or receive significantly less than the underlying value of the Shares. The securities held by the Fund may be traded in markets that close at a different time than the exchange on which the Shares are traded. Liquidity in those securities may be reduced after the applicable closing times. Accordingly, during the time when the exchange is open but after the applicable market closing, fixing or settlement times, bid/ask spreads on the exchange and the resulting premium or discount to the Shares’ net asset value may widen. Additionally, in stressed market conditions, the market for the Fund’s Shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings and a shareholder may be unable to sell his or her Shares.
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| Valuation Risk Member | |
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| Risk [Text Block] | Valuation Risk. During periods of reduced market liquidity or in the absence of readily available market quotations for the holdings of the Fund, the valuation of the Fund’s FLEX Options will become more difficult. In market environments where there is reduced availability of reliable objective pricing data, the judgment of the Fund’s investment adviser in determining the fair value of the security may play a greater role. While such determinations may be made in good faith, it may nevertheless be more difficult for the Fund to accurately assign a daily value. The Shares will change in value, and you could lose money by investing in the Fund. The Fund may not achieve its investment objective.
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| Risk Lose Money [Member] | |
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| Risk [Text Block] | An investment may lose money. |
| Risk Not Insured Depository Institution [Member] | |
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| Risk [Text Block] | An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. |
| Risk Nondiversified Status [Member] | |
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| Risk [Text Block] | Non-Diversified Risk. The Fund is classified as a “non-diversified” fund under the Investment Company Act of 1940. The Fund is subject to the risk that it will be more volatile than a diversified fund because the Fund may invest a relatively high percentage of its assets in a smaller number of issuers or may invest a larger proportion of its assets in a single issuer. Moreover, the gains and losses on a single investment may have a greater impact on the Fund’s net asset value and may make the Fund more volatile than more diversified funds. The Fund may be particularly vulnerable to this risk if it is comprised of a limited number of investments.
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