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Solana ETF  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Solana ETF
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The Solana ETF (the “Fund”) seeks long-term capital appreciation.

Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund (“Shares”). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and example set forth below.

Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination Jun. 30, 2026
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it purchases and sells securities (or “turns over” its portfolio). A higher portfolio turnover will cause the Fund to incur additional transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in Total Annual Fund Operating Expenses or in the example, may affect the Fund’s performance. Because the Fund has not yet commenced operations, portfolio turnover information is unavailable at this time.

Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates “Other Expenses” are estimates based on the expenses the Fund expects to incur for the current fiscal year.
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. This example assumes that you invest $10,000 in the Fund for the time periods indicated and then sell all of your Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain at current levels. This example does not include the brokerage commissions that investors may pay to buy and sell Shares.

Although your actual costs may be higher or lower, your costs, based on these assumptions, would be:

Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

The Fund is an exchange-traded fund (“ETF”) that seeks to achieve its investment objective primarily though managed exposure to SOL futures contracts that trade only on an exchange registered with the Commodity Futures Trading Commission (“Solana Futures Contracts”), and cash, cash-like instruments or high quality securities that serve as collateral to the Fund’s investments in Solana Futures Contracts (“Collateral Investments”). In seeking its investment objective, the Fund seeks to participate in 100% of the returns of SOL. For this purpose, under normal circumstances, the Fund will use the price of SOL that is reflected in the next, or second to next, expiring Solana Futures Contract. If the Fund is invested in other Solana-Linked Instruments (defined below), the value of SOL will be determined by an average of how SOL is valued in the financial instruments in which the Fund invests.

The Fund does not invest directly in SOL. Instead, the Fund seeks to benefit from increases in the price of Solana Futures Contracts. Under normal circumstances, the Fund will invest at least 80% of the value of its net assets (plus borrowings for investment purposes) in Solana-Linked Instruments. For purposes of this policy, “Solana-Linked Instruments” means Solana Futures Contracts and (i) shares of other SOL-linked exchange-traded investment products not registered under as investment companies (“Solana-Linked ETPs”) under the Investment Company Act of 1940, as amended (the “1940 Act”) (such Solana-Linked ETPs are currently unavailable for investment, though are expected to become available in the future); and (ii) swap agreement transactions that reference SOL, Solana-Linked ETPs, Solana Futures Contracts, or SOL-referenced indexes.

The investment adviser to the Fund and the Subsidiary is Volatility Shares LLC (the “Adviser”). The Adviser oversees the Fund and implements the day-to-day portfolio management responsibilities for the Fund. In serving as investment adviser to the Fund, the Adviser does not conduct conventional investment research or analysis or forecast market movement or trends.

The Fund is classified as a “non-diversified company” under the 1940 Act. The Fund will not concentrate its investments in securities of issuers in any industry or group of industries, as the term “concentrate” is used in the 1940 Act, except that the Fund may invest more than 25% of its total assets in Solana-Linked Instruments.

Solana Futures Contracts

In order to obtain exposure to SOL, the Fund intends to typically enter into cash-settled Solana Futures Contracts as the “buyer,” except as detailed below. In simplest terms, in a cash-settled futures market the counterparty pays cash to the buyer if the price of a futures contract goes up, and buyer pays cash to the counterparty if the price of the futures contract goes down. In order to maintain its exposure to SOL, the Fund intends to exit its futures contracts as they near expiration and replace them with new futures contracts with a later expiration date. Futures contracts with a longer term to expiration may be priced higher than futures contracts with a shorter term to expiration, a relationship called “contango”. When rolling futures contracts that are in contango the Fund will close its long position by selling the shorter term contract at a relatively lower price and buying a longer-dated contract at a relatively higher price. The presence of contango will adversely affect the performance of the Fund. Conversely, futures contracts with a longer term to expiration may be priced lower than futures contracts with a shorter term to expiration, a relationship called “backwardation”. When rolling long futures contracts that are in backwardation, the Fund will close its long position by selling the shorter term contract at a relatively higher price and buying a longer-dated contract at a relatively lower price. The presence of backwardation may positively affect the performance of the Fund. Further, the returns of the Fund’s Solana Futures Contracts may differ from that of SOL due to the divergence in prices or the costs associated with investing in futures contracts, which may negatively impact the Fund’s returns.

The Fund invests in Solana Futures Contracts indirectly via the Subsidiary. The Subsidiary and the Fund will have the same investment adviser and investment objective. The Subsidiary will also follow the same general investment policies and restrictions as the Fund. Except as noted herein, for purposes of this Prospectus, references to the Fund’s investment strategies and risks include those of the Subsidiary. The Fund complies with the provisions of the 1940 Act governing investment policies and capital structure and leverage on an aggregate basis with the Subsidiary. Furthermore, the Adviser, as the investment adviser to the Subsidiary, complies with the provisions of the 1940 Act relating to investment advisory contracts as it relates to its advisory agreement with the Subsidiary. The Subsidiary also complies with the provisions of the 1940 Act relating to affiliated transactions and custody. Because the Fund intends to qualify for treatment as a RIC under the Code, the size of the Fund’s investment in the Subsidiary will not exceed 25% of the Fund’s total assets at or around each quarter end of the Fund’s fiscal year. At other times of the year, the Fund’s investments in the Subsidiary will significantly exceed 25% of the Fund’s total assets. The Subsidiary’s custodian is U.S. Bank, N.A..

If circumstances occur where market prices for Solana Futures Contracts were not readily available, the Fund would fair value its Solana Futures Contracts in accordance with its pricing and valuation policy and procedures for fair value determinations. Pursuant to those policies and procedures, the Adviser would consider various factors, such as pricing history; market levels prior to price limits or halts; supply, demand, and open interest in Solana Futures Contracts; and comparison to other major digital asset futures, such as bitcoin, ether and SOL prices in the spot market. The Adviser would document its proposed pricing and methodology, detailing the factors that entered into the valuation.

The Solana Network and SOL

SOL is a digital asset that is created and transmitted through the operations of the peer-to-peer Solana Network, a decentralized network of computers that operates on cryptographic protocols. No single entity owns or operates the Solana Network, the infrastructure of which is collectively maintained by a decentralized user base. The Solana Network allows people to exchange tokens of value, called SOL, which are recorded on a public transaction ledger known as a blockchain. SOL can be used to pay for goods and services, including computational power on the Solana Network, or it can be converted to fiat currencies, such as the U.S. dollar, at rates determined on

Digital Asset Exchanges or in individual end-user-to-end-user transactions under a barter system. Furthermore, the Solana Network was designed to allow users to write and implement smart contracts — that is, general-purpose code that executes on every computer in the network and can instruct the transmission of information and value based on a sophisticated set of logical conditions. Using smart contracts, users can create markets, store registries of debts or promises, represent the ownership of property, move funds in accordance with conditional instructions and create digital assets other than SOL on the Solana Network. Smart contract operations are executed on the Solana Blockchain in exchange for payment of SOL. Like the Ethereum network, the Solana Network is one of a number of projects intended to expand blockchain use beyond just a peer-to-peer money system.

The Solana Protocol introduced the Proof-of-History (“PoH”) timestamping mechanism. PoH automatically orders on-chain transactions by creating a historical record that proves an event has occurred at a specific moment in time. PoH is intended to provide a transaction processing speed and capacity advantage over other blockchain networks like Bitcoin and Ethereum, which rely on sequential production of blocks and can lead to delays caused by validator confirmations.

In addition to the PoH mechanism described above, the Solana Network uses a proof-of-stake consensus mechanism to incentivize SOL holders to validate transactions. Unlike proof-of-work, in which miners expend computational resources to compete to validate transactions and are rewarded coins in proportion to the amount of computational resources expended, in proof-of-stake, validators risk or “stake” coins to compete to be randomly selected to validate transactions and are rewarded coins in proportion to the amount of coins staked. Any malicious activity, such as disagreeing with the eventual consensus or otherwise violating protocol rules, results in the forfeiture or “slashing” of a portion of the staked coins. Proof-of-stake is viewed as more energy efficient and scalable than proof-of-work and is sometimes referred to as “virtual mining”.

The Solana Protocol was first conceived by Anatoly Yakovenko in a 2017 whitepaper. Development of the Solana Network is overseen by the Solana Foundation, a Swiss non-profit organization, and Solana Labs, Inc. (the “Company”), a Delaware corporation, which administered the original network launch and token distribution.

Although the Company and the Solana Foundation continue to exert significant influence over the direction of the development of SOL, the Solana Network is decentralized and does not require governmental authorities or financial institution intermediaries to create, transmit or determine the value of SOL.

The price of SOL has historically shown a correlation with meme coin activity on its blockchain. While not entirely dependent, meme coin trends have significantly influenced SOL’s price movements in recent times. During the meme coin frenzy in early 2025, SOL hit an all-time high of $294, with over $50 billion in trading volume over a single weekend. Surges in meme coin activity have led to increased network usage, as SOL is used to pay fees for transactions involving other tokens on the Solana blockchain. In February 2025, after reaching a peak of $261 in January, SOL experienced a 60% price drop as the meme coin hype cooled down. However, it’s important to note that while meme coins seem to have had a significant impact of the value of SOL, other factors also influence SOL’s price, such as overall market conditions, technological developments, and regulatory changes. As well, the long-term sustainability of this relationship between meme coins and SOL’s price remains uncertain.

As of early 2025, approximately 490 million SOL tokens are in circulation, with a total supply of around 594 million SOL. SOL has no fixed maximum supply, meaning it operates on an inflationary model. Initially, the network launched with 500 million tokens, but this total has increased over time due to inflation mechanisms and staking rewards. The inflation rate started at 8% annually. It decreases by 15% each year until it stabilizes at a long-term rate of 1.5% per year. This inflationary design ensures that new tokens are continuously issued, primarily as rewards for validators and stakers, while some tokens are burned through transaction fees to offset supply growth.

Collateral Investments

The Fund will invest assets in Collateral Investments. The Collateral Investments may consist of high-quality securities, which include: (1) U.S. Government securities, such as bills, notes and bonds issued by the U.S. Treasury; (2) investment companies registered under the 1940 Act that invest in high-quality securities; and/or (3) corporate debt securities, such as commercial paper and other short-term unsecured promissory notes issued by businesses that are rated investment grade or determined by the Adviser to be of comparable quality. For these purposes, “investment grade” is defined as investments with a rating at the time of purchase in one of the four highest categories of at least one nationally recognized statistical rating organizations (e.g., BBB- or higher from S&P Global Ratings or Baa3 or higher from Moody’s Investors Service, Inc.).

The Collateral Investments are designed to provide liquidity, serve as margin, or otherwise collateralize the Subsidiary’s investments in Solana Futures Contracts. The Fund expects that it will primarily invest its assets, and that the Subsidiary will primarily invest its assets, in Collateral Investments that are “securities,” as such term is defined under the 1940 Act.

Other Investments

In order to help the Fund maintain its sought-after exposure to SOL, maintain its tax status as a regulated investment company on days in and around quarter-end, help the Fund maintain its desired exposure to Solana Futures Contracts when it is approaching or has exceeded position limits or accountability levels, or because of liquidity or other constraints, the Fund may invest in the following:

Reverse Repurchase Agreements

Repurchase agreements are a form of borrowing in which the Fund sells portfolio securities to financial institutions and agrees to repurchase them at a mutually agreed-upon date and price that is higher than the original sale price, and use the proceeds for investment purchases.

As a result of the Fund repurchasing the securities at a higher price, the Fund will lose money by engaging in reverse repurchase agreement transactions.

As noted above, because the Fund intends to qualify for treatment as a RIC under the Code, the size of the Fund’s investment in the Subsidiary will not exceed 25% of the Fund’s total assets at or around each quarter end of the Fund’s fiscal year (the “Asset Diversification Test”). At other times of the year, the Fund’s investments in the Subsidiary will significantly exceed 25% of the Fund’s total (or gross) assets.

When the Fund seeks to reduce its total assets exposure to the Subsidiary, it may use the short-term Treasury Bills it owns (and purchase additional Treasury Bills as needed) to transact in reverse repurchase agreement transactions, which are ostensibly loans to the Fund. Those loans will increase the gross assets of the Fund, which the Adviser expects will allow the Fund to meet the Asset Diversification Test. When the Fund enters into a reverse repurchase agreement, it will either (i) be consistent with Section 18 of the 1940 Act and maintain asset coverage of at least 300% of the value of the reverse repurchase agreement; or (ii) treat the reverse repurchase agreement transactions as derivative transactions for purposes of Rule 18f-4 under the 1940 Act (“Rule 18f-4”), including as applicable, the value-at-risk based limit on leverage risk.

Solana-Linked ETPs

Solana-Linked ETPs are exchange-traded investment products that are not registered under the 1940 Act that derive their value from a basket of spot SOL, and trade intra-day on a national securities exchange. Solana-Linked ETPs are passively managed and do not pursue active management investment strategies, and their sponsors do not actively manage the SOL held by the ETP. This means that the sponsor of the ETP does not sell SOL at times when its price is high or acquire SOL at low prices in the expectation of future price increases. Although the shares of a Solana-Linked ETP are not the exact equivalent of a direct investment in SOL, they provide investors with an alternative that constitutes a relatively cost-effective way to obtain exposure to SOL through the securities market.

Solana-Linked ETPs, though currently unavailable for investment, are expected to become available in the future. Solana-Linked ETPs have not yet been approved by the SEC; accordingly, such ETPs must file a registration statement on Form S-1 and subsequently be declared effective before the Solana-Linked ETPs may become available for investment. Furthermore, the SEC’s Division of Trading and Markets must approve a rule change filed on behalf of securities exchange pursuant to Form 19b-4 permitting the exchange to list and trade shares of the Solana-Linked ETPs before such ETPs become available for investment.

Swaps that reference SOL, Solana-Linked ETPs, Solana Futures Contracts, or SOL-referenced indexes.

Swap contracts are transactions entered into primarily with major global financial institutions for a specified period ranging from a day to more than one year. In a swap transaction, the Fund and a counterparty will agree to exchange or “swap” payments based on the change in value of an underlying asset or benchmark. For example, the two parties may agree to exchange the return (or differentials in rates of returns) earned or realized on a particular investment or instrument. In the case of the Fund, the reference asset can be SOL, shares of Solana-Linked ETPs, Solana Futures Contracts, or SOL-referenced indexes.

Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal circumstances, the Fund will invest at least 80% of the value of its net assets (plus borrowings for investment purposes) in Solana-Linked Instruments
Risk [Heading] rr_RiskHeading Principal Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history. Once available, the Fund’s performance information will be accessible on the Fund’s website at www.volatilityshares.com and will provide some indication of the risks of investing in the Fund.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns Once available, the Fund’s performance information will be accessible on the Fund’s website at www.volatilityshares.com and will provide some indication of the risks of investing in the Fund.
Performance One Year or Less [Text] rr_PerformanceOneYearOrLess As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.volatilityshares.com
Solana ETF | Risk Lose Money [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock You could lose money by investing in the Fund.
Solana ETF | Risk Not Insured Depository Institution [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency.
Solana ETF | SOL Investing Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

SOL Investing Risk. The Fund is indirectly exposed to the risks of investing in SOL through its investments in Solana Futures Contracts. These risks include the following:

The value of the Shares relates indirectly to the value of SOL, the value of which may be highly volatile and subject to fluctuations due to a number of factors, including:

An increase in the global SOL supply;

Manipulative trading activity on platforms that support the trading of SOL (“Digital Asset Trading Platforms”), which, in many cases, are largely unregulated;

The adoption of SOL as a medium of exchange, store-of-value or other consumptive asset and the maintenance and development of the open-source software protocol of the Solana Network;

Forks in the Solana Network;

Investors’ expectations with respect to interest rates, the rates of inflation of fiat currencies or SOL, and digital asset trading platform rates;

Consumer preferences and perceptions of SOL specifically and digital assets generally;

Fiat currency withdrawal and deposit policies on Digital Asset Trading Platforms;

Investment and trading activities of large investors that invest directly or indirectly in SOL;

A “short squeeze” resulting from speculation on the price of SOL, if aggregate short exposure exceeds the number of Shares available for purchase;

An active derivatives market for SOL or for digital assets generally;

A determination that SOL is a security, or offered or sold as part of an investment contract, or changes in SOL’s status under the federal securities laws;

Monetary policies of governments, trade restrictions, currency devaluations and revaluations and regulatory measures or enforcement actions, if any, that restrict the use of SOL as a form of payment or the purchase of SOL on the Digital Asset Markets;

Global or regional political, economic or financial conditions, events and situations, such as the novel coronavirus outbreak;

Fees associated with processing a SOL transaction and the speed at which transactions are settled on the Solana Network;

Interruptions in service from or closures or failures of major Digital Asset Trading Platforms;

Decreased confidence in Digital Asset Trading Platforms due to the unregulated nature and lack of transparency surrounding the operations of Digital Asset Trading Platforms; and

Increased competition from other forms of digital assets or payment services.

The trading prices of SOL have experienced extreme volatility in recent periods and may continue to do so.

SOL was only introduced within the past decade, and its value is subject to a number of factors relating to the capabilities and development of blockchain technologies and to the fundamental investment characteristics of digital assets.

SOL is a new digital asset, and the value of the Shares depends on the acceptance of SOL.

The Solana Protocol was only conceived in 2017 and the Solana Protocol or its Proof-of-History timestamping mechanism may not function as intended, which could have an adverse impact on the value of SOL and an investment in the Shares.

Smart contracts are a new technology and ongoing development may magnify initial problems, cause volatility on the networks that use smart contracts and reduce interest in them, which could have an adverse impact on the value of SOL.

Changes in the governance of the Solana Network may not receive sufficient support from users and validators, which may negatively affect that digital asset network’s ability to grow and respond to challenges.

The Solana Network may face significant scaling challenges and efforts to increase the volume and speed of transactions may not be successful.

Digital asset networks are developed by a diverse set of contributors and the perception that certain high-profile contributors will no longer contribute to the network could have an adverse effect on the market price of the related digital asset.

SOL may have concentrated ownership and large sales or distributions by holders of SOL, or any ability to participate in or otherwise influence the Solana Network, could have an adverse effect on the market price of SOL.

If SOL’s award or transaction fees for recording transactions on the Solana Network are not sufficiently high to incentivize validators, or if certain jurisdictions continue to limit or otherwise regulate validating activities, validators may cease expanding validating power or demand high transaction fees, which could negatively impact the value of SOL and the value of the Shares.

If a malicious actor or botnet obtains control of more than 50% of the validating power on the Solana Network, or otherwise obtains control over the Solana Network through its influence over core developers or otherwise, such actor or botnet could manipulate the Blockchain to adversely affect the value of the Shares or the ability of the Trust to operate.

A temporary or permanent “fork” or a “clone” could adversely affect the value of the Shares.

If the Solana Network is used to facilitate illicit activities, businesses that facilitate transactions in SOL could be at increased risk of criminal or civil lawsuits, or of having services cut off, which could negatively affect the price of SOL and the value of the Shares.

Solana ETF | Solana Futures Contracts Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Solana Futures Contracts Risk. Risks of futures contracts include: (i) an imperfect correlation between the value of the futures contract and the underlying asset; (ii) possible lack of a liquid secondary market; (iii) the inability to close a futures contract when desired; (iv) losses caused by unanticipated market movements, which may be unlimited; (v) an obligation for the Fund to make daily cash payments to maintain its required margin, particularly at times when the Fund may have insufficient cash; and (vi) unfavorable execution prices from rapid selling. Unlike equities, which typically entitle the holder to a continuing stake in a corporation, futures contracts normally specify a certain date for settlement in cash based on the reference asset. As the futures contracts approach expiration, they may be replaced by similar contracts that have a later expiration. This process is referred to as “rolling.” If the market for these contracts is in “contango,” meaning that the prices of futures contracts in the nearer months are lower than the price of contracts in the distant months, the sale of the near-term month contract would be at a lower price than the longer-term contract, resulting in a cost to “roll” the futures contract. The actual realization of a potential roll cost will be dependent upon the difference in price of the near and distant contract. Because the margin requirement for futures contracts is less than the value of the assets underlying the futures contract, futures trading involves a degree of leverage. As a result, a relatively small price movement in a futures contract may result in immediate and substantial loss, as well as gain, to the investor. For example, if at the time of purchase, 40% of the value of the futures contract is deposited as margin, a subsequent 20% decrease in the value of the futures contract would result in a loss of half of the margin deposit, before any deduction for the transaction costs, if the account were then closed out. A decrease in excess of 40% would result in a loss exceeding the original margin deposit, if the futures contract were closed out. Thus, a purchase or sale of a futures contract may result in losses in excess of the amount initially invested in the futures contract. However, the Fund would presumably have sustained comparable losses if, instead of investing in the futures contract, it had invested in the underlying financial instrument and sold it after the decline.

Additionally, significant and unpredictable increases in SOL Futures Contracts margin rates relative to prevailing futures prices could result in the Fund not achieving its sought-after exposure to the daily performance of SOL. Further, if the SOL futures market is in a period of contango, if prices of SOL and Solana Futures Contracts were to decline, the Fund would experience the negative impact of contango. The impact of backwardation or contango may lead to the returns of the Fund to vary significantly from the total return of other price references, such as the spot price of SOL. Additionally, in the event of a prolonged period of contango, and absent the impact of rising or falling SOL prices, this could have a significant negative impact on the Fund’s NAV and total return.

Position Limits and Price Limits

The CFTC and various exchanges on which Solana Futures Contracts trade have established position limits and price limits for Solana Futures Contracts. Position limit regulation and price limit regulation serve distinct purposes and are regulated differently.

Position limits are designed to prevent excessive speculation that could cause sudden or unreasonable fluctuations in the price of a commodity. They limit the maximum number of contracts a person or entity can hold in a particular commodity.

Price limits are mechanisms to maintain orderly markets by restricting the price range within which futures contracts can trade during a trading session. They prevent extreme price movements that could disrupt market stability. Price limits are typically set as a percentage of the previous day’s settlement price. When price limits are hit, trading may be halted or expanded depending on the product and regulatory rules. Unlike position limits, price limits do not restrict the number of contracts a trader can hold but rather the price at which those contracts can be traded. When a price limit is hit, SOL futures markets may temporarily halt until price limits can be expanded or trading may be stopped for the day.

If the Fund is unable to buy or sell Solana Futures Contracts as a result of position limits being hit or price limits that result in a halted or closed market — or for other reasons including limited liquidity in the SOL futures market, a disruption to the SOL futures market, or as a result of margin requirements, accountability levels, or other limitations imposed by the Fund’s FCMs, the listing exchanges, or the CFTC — the Adviser would take such action as it believes appropriate and in the best interest of the Fund in consideration of the facts and circumstances at such time, including: (i) investing in Solana-Linked Instruments that are not Solana Futures Contracts; (ii) suspending the purchase of Creation Units for the limited time that the underlying Solana Futures Contracts market is suspended or halted; (iii) requiring that Authorized Participants purchase and redeem creation units through an exchange for related position (EFRP) method rather than in cash; (iv) applying increased Authorized Participant variable transaction fees for purchases or redemptions of Creation Units made in cash; or (v) de-levering the Fund, relative to its investment objective, by an amount reflecting prevailing price limits.

Solana ETF | Risks Related to the Regulation of SOL [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Risks Related to the Regulation of SOL. Any final determination by a court that SOL or any other digital asset is a “security” may adversely affect the value of SOL and the value of the Shares, and, if SOL is not, or cannot, be registered as a security, result in a potential termination of the Fund.

Depending on its characteristics, a digital asset may be considered a “security” under the federal securities laws. The test for determining whether a particular digital asset is a “security” is complex and difficult to apply, and the outcome is difficult to predict. Public, though non-binding, statements by senior officials at the SEC have indicated that the SEC did not consider Bitcoin or Ethereum to be securities, and does not currently consider Bitcoin to be a security. The SEC staff has also provided informal assurances via no-action letter to a handful of promoters that their digital assets are not securities.

On the other hand, the SEC has brought enforcement actions against the issuers and promoters of several other digital assets on the basis that the digital assets in question are securities. More recently, the SEC has also brought enforcement actions against various digital asset trading platforms for allegedly operating unregistered securities exchanges on the basis that certain of the digital assets traded on their platforms are securities. For example, in June 2023, the SEC brought a complaint against Coinbase (the “Coinbase Complaint”) alleging violations of a variety of securities laws. In its complaints, the SEC asserted that SOL is a security under the federal securities laws. In February 2025, the SEC withdrew the Coinbase Complaint.

Whether a digital asset is a security under the federal securities laws depends on whether it is included in the lists of instruments making up the definition of “security” in the Securities Act of 1933, the Securities Exchange Act of 1934 and the 1940 Act. Digital assets as such do not appear in any of these lists, although each list includes the terms “investment contract” and “note,” and the SEC has typically analyzed whether a particular digital asset is a security by reference to whether it meets the tests developed by the federal courts interpreting these terms, known as the Howey and Reves tests, respectively. For many digital assets, whether or not the Howey or Reves tests are met is difficult to resolve definitively, and substantial legal arguments can often be made both in favor of and against a particular digital asset qualifying as a security under one or both tests. Adding to the complexity, the SEC staff has indicated that the security status of a particular digital asset can change over time as the relevant facts evolve.

As part of determining whether SOL is a security for purposes of the federal securities laws, Volatility Shares Trust (the “Trust”) takes into account a number of factors, including the various definitions of “security” under the federal securities laws and federal court decisions interpreting elements of these definitions, such as the U.S. Supreme Court’s decisions in the Howey and Reves cases, as well as reports, orders, press releases, public statements and speeches by the SEC, its commissioners and its staff providing guidance on when a digital asset may be a security for purposes of the federal securities laws. Through this process, and the recent listing on CFTC regulated futures contracts, a reasonable argument exists that SOL is not a security in light of the uncertainties inherent in the Howey and Reves tests.

If an appropriate court determines that SOL is a security, the Advisor would not intend to permit the Fund to continue holding its investments in a way that would violate the federal securities laws (and therefore, if necessary, would either dissolve the Fund or potentially seek to operate the Fund in a manner that complies with the federal securities laws).

Solana ETF | Cost of Futures Investment Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Cost of Futures Investment Risk. When a Solana Futures Contract is nearing expiration, the Fund will generally sell it and use the proceeds to buy a Solana Futures Contract with a later expiration date. This is commonly referred to as “rolling”.

If the Fund rolls Solana Futures Contracts that are in contango, the Fund would sell a lower priced, expiring contract and purchase a higher priced, longer-dated contract. The price difference between the expiring contract and longer-dated contract associated with rolling Solana Futures Contracts is typically substantially higher than the price difference associated with rolling other futures contracts. Contango in the SOL futures market may have a significant adverse impact on the performance of the Fund and may cause Solana Futures Contracts and the Fund to underperform the spot price of SOL. Both contango and backwardation would reduce the Fund’s correlation to the spot price of SOL and may limit or prevent the Fund from achieving its investment objective. The impact of both contango and backwardation may also be greater to the extent the Fund invests in back-month Solana Futures Contracts.

Solana ETF | Solana-Linked ETP Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Solana-Linked ETP Risk. The Fund may invest in shares of Solana-Linked ETPs, which are exchange-traded investment products not registered under the 1940 Act that seek to match the daily changes in the price of SOL, and trade intra-day on a national securities exchange. Shares of Solana-Linked ETPs are not traded at net asset value, but may trade at prices above or below the value of their underlying portfolios. The level of risk involved in the purchase or sale of a Solana-Linked ETPs is similar to the risk involved in the purchase or sale of an exchange traded fund, and generally reflect the risks of owning the underlying Solana Futures Contracts and cash that the Solana-Linked ETP holds.

Solana-Linked ETPs are subject to management fees and other fees that may increase their costs versus the costs of owning Solana Futures Contracts directly. The Fund will indirectly bear its proportionate share of management fees and other expenses that are charged by Solana-Linked ETPs in addition to the management fees and other expenses paid by the Fund. The Fund will pay brokerage commissions in connection with the purchase and sale of shares of Solana-Linked ETPs.

Solana ETF | Swap Agreements Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Swap Agreements Risk. The Fund may enter into cash-settled swaps and other derivatives to gain exposure to an underlying asset without actually purchasing such asset. Swaps are two-party contracts entered into primarily by institutional investors for periods ranging from a day to more than one year. In a standard “swap” transaction, two parties agree to exchange the returns (or differentials in rates of return) earned or realized on a particular pre-determined interest rate, commodity, security, indexes, or other assets or measurable indicators. The primary risks associated with the use of swaps are mispricing or improper valuation, imperfect correlation between movements in the notional amount and the price of the underlying investments, and the failure of a counterparty to perform. If a counterparty’s creditworthiness for an over-the-counter swap declines, the value of the swap would likely decline. Moreover, there is no guarantee that the Fund could eliminate its exposure under an outstanding swap by entering into an offsetting swap with the same or another party. In addition, the Fund may use a combination of swaps on an underlying index and swaps that reference Solana-Linked ETPs that is designed to track the performance of that index. The performance of a Solana-Linked ETP may deviate from the performance of its underlying index due to embedded costs and other factors. Thus, the Fund’s swaps may be subject to greater correlation risk to the extent such agreements reference a Solana-Linked ETP as the reference asset, and as a result may not achieve as high of a degree of correlation with the price of SOL as it otherwise would using Solana Futures Contracts.

Solana ETF | Aggressive Investment Risk [Member]  
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Aggressive Investment Risk. Solana Futures Contracts are relatively new investments, are subject to unique and substantial risks, and may be subject to significant price volatility. The value of an investment in the Fund could decline significantly and without warning, including to zero. You may lose the full value of your investment within a single day. If you are not prepared to accept significant and unexpected changes in the value of the Fund and the possibility that you could lose your entire investment in the Fund you should not invest in the Fund. The value of an investment in the Fund could decline significantly and without warning, including to zero. You should be prepared to lose your entire investment. Shares will change in value, and you could lose money by investing in the Fund. The Fund may not achieve its investment objective.

Solana ETF | Rebalancing Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

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 may be over- or under-exposed to the returns of SOL. Additionally, the rebalancing of futures contracts may impact the trading in such futures contracts and may adversely affect the value of the Fund. For example, such trading may cause the Fund’s futures commission merchants (“FCMs”) to adjust their hedges. The trading activity associated with such transactions will contribute to the existing trading volume on the underlying futures contracts and may adversely affect the market price of such underlying futures contracts.

Solana ETF | Management Risk [Member]  
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Management Risk. The Fund is subject to management risk because it is an actively managed portfolio. The Adviser will apply investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that the Fund will meet its investment objective.

Solana ETF | Derivatives Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Derivatives Risk. In addition to Solana Futures Contracts, the Fund may obtain exposure through the following other derivatives: swap agreement transactions that reference SOL, Solana-Linked ETPs, Solana Futures Contracts, or SOL-referenced indexes.

Investing in derivatives may be considered aggressive and may expose the Fund to risks different from, or possibly greater than, the risks associated with investing directly in the reference asset(s) underlying the derivative (e.g., the securities or commodities contained in the Fund). The use of derivatives may result in larger losses or smaller gains than directly investing in securities or commodities. The risks of using derivatives include: (1) the risk that there may be imperfect correlation between the price of the financial instruments and movements in the prices of the reference asset(s); (2) the risk that an instrument is mispriced; (3) credit or counterparty risk on the amount a Fund expects to receive from a counterparty; (4) the risk that securities prices, interest rates and currency markets will move adversely and a Fund will incur significant losses; (5) the risk that the cost of holding a financial instrument might exceed its total return; and (6) the possible absence of a liquid secondary market for a particular instrument and possible exchange imposed price fluctuation limits, either of which may make it difficult or impossible to adjust a Fund’s position in a particular instrument when desired. Each of these factors may prevent a Fund from achieving its investment objective and may increase the volatility (i.e., fluctuations) of the Fund’s returns. Because derivatives often require limited initial investment, the use of derivatives also may expose a Fund to losses in excess of those amounts initially invested.

The performance of a Solana-Linked ETP may not track the performance of its underlying benchmark due to embedded costs and other factors. Thus, to the extent the Fund invests in swaps that use a Solana-Linked ETP as the reference asset, the Fund may be subject to greater correlation risk and may not achieve as high a degree of correlation with its investment objective than if the Fund only used Solana Futures Contracts.

Solana ETF | Counterparty Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Counterparty Risk. The Fund will be subject to credit risk (i.e., the risk that a counterparty is unwilling or unable to make timely payments or otherwise meet its contractual obligations) with respect to the amount the Fund expects to receive from counterparties to: Solana Futures Contracts; reverse repurchase agreements; swaps on SOL, Solana-Linked ETPs, Solana Futures Contracts, or SOL-referenced indexes.

The Fund may be negatively impacted if a counterparty becomes bankrupt or otherwise fails to perform its obligations under such an agreement. The Fund may experience significant delays in obtaining any recovery in a bankruptcy or other reorganization proceeding and the Fund may obtain only limited recovery or may obtain no recovery in such circumstances. In order to attempt to mitigate potential counterparty credit risk, the Fund typically enters into transactions with major financial institutions.

The counterparty to an exchange-traded futures contract is subject to the credit risk of the clearing house and the FCM through which it holds its position. Specifically, the FCM or the clearing house could fail to perform its obligations, causing significant losses to the Fund. For example, the Fund could lose margin payments it has deposited with an FCM as well as any gains owed but not paid to the Fund, if the FCM or clearing house becomes insolvent or otherwise fails to perform its obligations. Credit risk of market participants with respect to derivatives that are centrally cleared is concentrated in a few clearing houses and it is not clear how an insolvency proceeding of a clearing house would be conducted and what impact an insolvency of a clearing house would have on the financial system. Under current CFTC regulations, a FCM maintains customers’ assets in a bulk segregated account. If a FCM fails to do so, or is unable to satisfy a substantial deficit in a customer account, its other customers may be subject to risk of loss of their funds in the event of that FCM’s bankruptcy. In that event, in the case of futures, the FCM’s customers are entitled to recover, even in respect of property specifically traceable to them, only a proportional share of all property available for distribution to all of that FCM’s customers. In addition, if the FCM does not comply with the applicable regulations, or in the event of a fraud or misappropriation of customer assets by the FCM, the Fund could have only an unsecured creditor claim in an insolvency of the FCM with respect to the margin held by the FCM. FCMs are also required to transfer to the clearing house the amount of margin required by the clearing house, which amount is generally held in an omnibus account at the clearing house for all customers of the FCM. In addition, the Fund may enter into futures contracts and repurchase agreements with a limited number of counterparties, which may increase the Fund’s exposure to counterparty credit risk. The Fund does not specifically limit its counterparty risk with respect to any single counterparty.

Further, there is a risk that no suitable counterparties are willing to enter into reverse repurchase agreements with the Fund, or continue to enter into, reverse repurchase agreement transactions with the Fund and, as a result, the Fund may not be able to achieve its investment objective. There is also the risk that the Fund may not be able to engage in reverse repurchase agreement transactions because suitable counterparties refuse to enter into transactions with the Fund. Contractual provisions and applicable law may prevent or delay the Fund from exercising its rights to terminate an investment or transaction with a financial institution experiencing financial difficulties, or to realize on collateral, and another institution may be substituted for that financial institution without the consent of the Fund. If the credit rating of a counterparty to a futures contract and/or repurchase agreement declines, the Fund may nonetheless choose or be required to keep existing transactions in place with the counterparty, in which event the Fund would be subject to any increased credit risk associated with those transactions. Also, in the event of a counterparty’s (or its affiliate’s) insolvency, the possibility exists that the Fund’s ability to exercise remedies, such as the termination of transactions, netting of obligations and realization on collateral, could be stayed or eliminated under special resolution regimes adopted in the United States, the European Union and various other jurisdictions. Such regimes provide government authorities with broad authority to intervene when a financial institution is experiencing financial difficulty. In particular, the regulatory authorities could reduce, eliminate, or convert to equity the liabilities to the Fund of a counterparty who is subject to such proceedings in the European Union (sometimes referred to as a “bail in”).

Solana ETF | Investment Strategy Risk [Member]  
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Investment Strategy Risk. The Fund, through the Subsidiary, invests primarily in Solana Futures Contracts. The Fund does not invest directly in or hold SOL. Instead, the Fund seeks to benefit from increases in the price of Solana Futures Contracts. The price of Solana Futures Contracts may differ, sometimes significantly, from the current cash price of SOL, which is sometimes referred to as the “spot” price of SOL. Consequently, the Fund may perform differently from the spot price of SOL. Consequently, the Fund may perform differently from the spot price of SOL. Although SOL Futures Contracts are relatively new instruments, the performance of digital asset futures contracts, in general, has historically been highly correlated to the performance of the digital asset. However, there can be no guarantee this will be the case with SOL and SOL Futures Contracts. Transaction costs (including the costs associated with futures investing), position limits, the availability of counterparties and other factors may impact the cost of SOL Futures Contracts and decrease the correlation between the performance of SOL Futures Contracts and SOL, over short or even long-term periods. In addition, the performance of back-month futures contracts is likely to differ more significantly from the performance of the spot prices of SOL. To the extent the Fund is invested in back-month SOL Futures Contracts, the performance of the Fund should be expected to deviate more significantly from the performance of SOL. Moreover, differences in the prices between SOL Futures Contracts and SOL will expose the Fund to risks different from, and possibly greater than, the risks associated with investing directly in SOL, including larger losses or smaller gains.

Solana ETF | Liquidity Risk [Member]  
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Liquidity Risk. The market for the Solana Futures Contracts may be subject to periods of illiquidity. During such times it may be difficult or impossible to buy or sell a position at the desired price. Market disruptions or volatility can also make it difficult to find a counterparty willing to transact at a reasonable price and sufficient size. Illiquid markets may cause losses, which could be significant. Large positions also increase the risk of illiquidity, which may make the Fund’s positions more difficult to liquidate, and increase the losses incurred while trying to do so.

Solana ETF | Collateral Investments Risk [Member]  
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Collateral Investments Risk. The Fund’s use of Collateral Investments may include obligations issued or guaranteed by the U.S. Government, its agencies and instrumentalities, including bills, notes and bonds issued by the U.S. Treasury, investment companies registered under the 1940 Act that invest in high-quality securities and corporate debt securities, such as commercial paper.

Some securities issued or guaranteed by federal agencies and U.S. Government-sponsored instrumentalities may not be backed by the full faith and credit of the United States, in which case the investor must look principally to the agency or instrumentality issuing or guaranteeing the security for ultimate repayment, and may not be able to assert a claim against the United States itself in the event that the agency or instrumentality does not meet its commitment. The U.S. Government, its agencies and instrumentalities do not guarantee the market value of their securities, and consequently, the value of such securities may fluctuate. Although the Fund may hold securities that carry U.S. Government guarantees, these guarantees do not extend to the Shares.

Investment companies that invest in high-quality securities are subject to management fees and other expenses. Therefore, investments in these funds will cause the Fund to bear indirectly a proportional share of the fees and costs of the funds in which it invests. At the same time, the Fund will continue to pay its own management fees and expenses with respect to all of its assets, including any portion invested in the shares of such fund. It is possible to lose money by investing in investment companies that invest in high-quality securities.

Corporate debt securities such as commercial paper generally are short-term unsecured promissory notes issued by businesses. Corporate debt may carry variable or floating rates of interest. Corporate debt securities carry both credit risk and interest rate risk. Credit risk is the risk that the Fund could lose money if the issuer of a corporate debt security is unable to pay interest or repay principal when it is due.

Solana ETF | Active Management Risk [Member]  
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Active Management Risk. The Fund is actively managed, and its performance reflects investment decisions that the Adviser makes for the Fund. Such judgments about the Fund’s investments may prove to be incorrect. If the investments selected and the strategies employed by the Fund fail to produce the intended results, the Fund could underperform as compared to other funds with similar investment objectives and/or strategies, or could have negative returns.

Solana ETF | Active Market Risk [Member]  
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Active Market Risk. Although the Shares are listed for trading on the Exchange, there can be no assurance that an active trading market for the Shares will develop or be maintained. Shares trade on the Exchange at market prices that may be below, at or above the Fund’s net asset value. Securities, including the Shares, are subject to market fluctuations and liquidity constraints that may be caused by such factors as economic, political, or regulatory developments, changes in interest rates, and/or perceived trends in securities prices. Shares of the Fund could decline in value or underperform other investments.

Solana ETF | Asset Concentration Risk [Member]  
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Asset Concentration Risk. Since the Fund may take concentrated positions in certain securities, the Fund’s performance may be hurt disproportionately and significantly by the poor performance of those positions to which it has significant exposure. Asset concentration makes the Fund more susceptible to any single occurrence affecting the underlying positions and may subject the Fund to greater market risk than more diversified funds.

Solana ETF | Authorized Participant Concentration Risk [Member]  
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Authorized Participant Concentration Risk. Only an AP may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of institutions that act as APs on an agency basis (i.e. on behalf of other market participants). To the extent that these institutions exit the business or are unable to proceed with creation and/or redemption orders with respect to the Fund and no other AP is able to step forward to create or redeem, in either of these cases, Shares may trade at a discount to the Fund’s net asset value and possibly face delisting.

Solana ETF | Cash Transaction Risk [Member]  
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Cash Transaction Risk. Most ETFs generally make in-kind redemptions to avoid being taxed at the fund level on gains on the distributed portfolio securities. However, unlike most ETFs, the Fund currently intends to effect some or all redemptions for cash, rather than in-kind, because of the nature of the Fund’s investments. The Fund may be required to sell portfolio securities to obtain the cash needed to distribute redemption proceeds, which involves transaction costs that the Fund may not have incurred had it effected redemptions entirely in kind. These costs may include brokerage costs and/or taxable gains or losses, which may be imposed on the Fund and decrease the Fund’s NAV to the extent such costs are not offset by a transaction fee payable to an authorized participant (“AP”). If the Fund recognizes gain on these sales, this generally will cause the Fund to recognize gain it might not otherwise have recognized if it were to distribute portfolio securities in-kind, or to recognize such gain sooner than would otherwise be required. This may decrease the tax efficiency of the Fund compared to ETFs that utilize an in-kind redemption process, and there may be a substantial difference in the after-tax rate of return between the Fund and other ETFs.

Solana ETF | Clearing Broker Risk [Member]  
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Clearing Broker Risk. The Fund’s investments in exchange-traded futures contracts expose it to the risks of a clearing broker (or a FCM). Under current regulations, a clearing broker or FCM maintains customers’ assets in a bulk segregated account. There is a risk that Fund assets deposited with the clearing broker to serve as margin may be used to satisfy the broker’s own obligations or the losses of the broker’s other clients. In the event of default, the Fund could experience lengthy delays in recovering some or all of its assets and may not see any recovery at all. Furthermore, the Fund is subject to the risk that no FCM is willing or able to clear the Fund’s transactions or maintain the Fund’s assets. If the Fund’s FCMs are unable or unwilling to clear the Fund’s transactions, or if the FCM refuses to maintain the Fund’s assets, the Fund will be unable have its orders for Solana Futures Contracts fulfilled or assets custodied. In such a circumstance, the performance of the Fund will likely deviate from the performance of SOL and may result in the proportion of Solana Futures Contracts in the Fund’s portfolio relative to the total assets of the Fund to decrease.

Solana ETF | Commodity Regulatory Risk [Member]  
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Commodity Regulatory Risk. The Fund’s use of commodity futures subject to regulation by the CFTC has caused the Fund to be classified as a “commodity pool” and this designation requires that the Fund comply with CFTC rules, which may impose additional regulatory requirements and compliance obligations. The Fund’s investment decisions may need to be modified, and commodity contract positions held by the Fund may have to be liquidated at disadvantageous times or prices, to avoid exceeding any applicable position limits established by the CFTC, potentially subjecting the Fund to substantial losses. The regulation of commodity transactions in the United States is subject to ongoing modification by government, self-regulatory and judicial action. The effect of any future regulatory change with respect to any aspect of the Fund is impossible to predict, but could be substantial and adverse to the Fund.

Solana ETF | Credit Risk [Member]  
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Credit Risk. An issuer or other obligated party of a debt security may be unable or unwilling to make dividend, interest and/or principal payments when due. In addition, the value of a debt security may decline because of concerns about the issuer’s ability or unwillingness to make such payments.

Solana ETF | Cyber Security Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Cyber Security Risk. The Fund is susceptible to operational risks through breaches in cyber security. A breach in cyber security refers to both intentional and unintentional events that may cause the Fund to lose proprietary information, suffer data corruption or lose operational capacity. Such events could cause the Fund to incur regulatory penalties, reputational damage, additional compliance costs associated with corrective measures and/or financial loss. Cyber security breaches may involve unauthorized access to the Fund’s

digital information systems through “hacking” or malicious software coding, but may also result from outside attacks such as denial-of service attacks through efforts to make network services unavailable to intended users. In addition, cyber security breaches of the Fund’s third-party service providers, such as its administrator, transfer agent, or custodian, as applicable, or issuers in which the Fund invests, can also subject the Fund to many of the same risks associated with direct cyber security breaches. While the Fund has established business continuity plans and risk management systems designed to reduce the risks associated with cyber security, there are inherent limitations in such plans and systems. Additionally, there is no guarantee that such efforts will succeed, especially because the Fund does not directly control the cyber security systems of issuers or third-party service providers.

Solana ETF | Debt Securities Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Debt Securities Risk. Investments in debt securities subject the holder to the credit risk of the issuer. Credit risk refers to the possibility that the issuer or other obligor of a security will not be able or willing to make payments of interest and principal when due. Generally, the value of debt securities will change inversely with changes in interest rates. To the extent that interest rates rise, certain underlying obligations may be paid off substantially slower than originally anticipated and the value of those securities may fall sharply. During periods of falling interest rates, the income received by the Fund may decline. If the principal on a debt security is prepaid before expected, the prepayments of principal may have to be reinvested in obligations paying interest at lower rates. Debt securities generally do not trade on a securities exchange making them generally less liquid and more difficult to value than common stock.

Solana ETF | Frequent Trading Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Frequent Trading Risk. The Fund regularly purchases and subsequently sells (i.e., “rolls”) individual futures contracts throughout the year so as to maintain a fully invested position. As the contracts near their expiration dates, the Fund rolls them over into new contracts. This frequent trading of contracts may increase the amount of commissions or mark-ups to broker-dealers that the Fund pays when it buys and sells contracts, which may detract from the Fund’s performance. High portfolio turnover may result in the Fund paying higher levels of transaction costs and may generate greater tax liabilities for shareholders. Frequent trading risk may cause the Fund’s performance to be less than expected.

Solana ETF | Interest Rate Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Interest Rate Risk. Interest rate risk is the risk that the value of the debt securities in the Fund’s portfolio will decline because of rising market interest rates. Interest rate risk is generally lower for shorter term debt securities and higher for longer-term debt securities. Duration is a reasonably accurate measure of a debt security’s price sensitivity to changes in interest rates and a common measure of interest rate risk. Duration measures a debt security’s expected life on a present value basis, taking into account the debt security’s yield, interest payments and final maturity. In general, duration represents the expected percentage change in the value of a security for an immediate 1% change in interest rates. For example, the price of a debt security with a three-year duration would be expected to drop by approximately 3% in response to a 1% increase in interest rates. Therefore, prices of debt securities with shorter durations tend to be less sensitive to interest rate changes than debt securities with longer durations. As the value of a debt security changes over time, so will its duration.

Solana ETF | Investment Capacity Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Investment Capacity Risk. If the Fund’s ability to obtain exposure to Solana Futures Contracts consistent with its investment objective is disrupted for any reason, including but not limited to, limited liquidity in the SOL futures market, a disruption to the SOL futures market, or as a result of margin requirements or position limits imposed by the Fund’s FCMs, the CME, or the CFTC, and the Fund could not otherwise meet its investment objective through the use of other investments discussed above, the Fund would not be able to achieve its investment objective and may experience significant losses.

Solana ETF | Market Maker Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Market Maker Risk. If the Fund has lower average daily trading volumes, it may rely on a small number of third-party market makers to provide a market for the purchase and sale of Shares. Any trading halt or other problem relating to the trading activity of these market makers could result in a dramatic change in the spread between the Fund’s net asset value and the price at which the Shares are trading on the Exchange, which could result in a decrease in value of the Shares. In addition, decisions by market makers or APs to reduce their role or step away from these activities in times of market stress could inhibit the effectiveness of the arbitrage process in maintaining the relationship between the underlying values of the Fund’s portfolio securities and the Fund’s market price. This reduced effectiveness could result in Shares trading at a discount to net asset value and also in greater than normal intra-day bid-ask spreads for Shares.

Solana ETF | Natural Disaster/Epidemic Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Natural Disaster/Epidemic Risk. Natural or environmental disasters, such as earthquakes, fires, floods, hurricanes, tsunamis and other severe weather-related phenomena generally, and widespread disease, including pandemics and epidemics (for example, the novel coronavirus COVID-19), have been and can be highly disruptive to economies and markets and have recently led, and may continue to lead, to increased market volatility and significant market losses. Such natural disaster and health crises could exacerbate political, social, and economic risks, and result in significant breakdowns, delays, shutdowns, social isolation, and other disruptions to important global, local and regional supply chains affected, with potential corresponding results on the operating performance of the Fund and its investments. A climate of uncertainty and panic, including the contagion of infectious viruses or diseases, may adversely affect global, regional, and local economies and reduce the availability of potential investment opportunities, and increases the difficulty of performing due diligence and modeling market conditions, potentially reducing the accuracy of financial projections. Under these circumstances, the Fund may have difficulty achieving its investment objectives which may adversely impact Fund performance. Further, such events can be highly disruptive to economies and markets, significantly disrupt the operations of individual companies (including, but not

limited to, the Fund’s investment advisor, third party service providers, and counterparties), sectors, industries, markets, securities and commodity exchanges, currencies, interest and inflation rates, credit ratings, investor sentiment, and other factors affecting the value of the Fund’s investments. These factors can cause substantial market volatility, exchange trading suspensions and closures, changes in the availability of and the margin requirements for certain instruments, and can impact the ability of the Fund to complete redemptions and otherwise affect Fund performance and Fund trading in the secondary market. A widespread crisis would also affect the global economy in ways that cannot necessarily be foreseen. How long such events will last and whether they will continue or recur cannot be predicted. Impacts from these could have a significant impact on the Fund’s performance, resulting in losses to your investment.

Solana ETF | New Fund Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

New Fund Risk. As of the date of this prospectus, the Fund has no operating history and currently has fewer assets than larger funds. Like other new funds, large inflows and outflows may impact the Fund’s market exposure for limited periods of time. This impact may be positive or negative, depending on the direction of market movement during the period effected.

Solana ETF | Risk Nondiversified Status [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Non-Diversification Risk. The Fund is classified as a “non-diversified company” under the 1940 Act. As a result, the Fund is only limited as to the percentage of its assets which may be invested in the securities of any one issuer by the diversification requirements imposed by the Internal Revenue Code of 1986, as amended. The Fund may invest a relatively high percentage of its assets in a limited number of issuers. As a result, the Fund may be more susceptible to a single adverse economic or regulatory occurrence affecting one or more of these issuers, experience increased volatility and be highly invested in certain issuers.

Solana ETF | Operational Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Operational Risk. The Fund is exposed to operational risks arising from a number of factors, including, but not limited to, 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 systems failures. The Fund and the Adviser seek to reduce these operational risks through controls and procedures. However, these measures do not address every possible risk and may be inadequate to address these risks.

Solana ETF | Premium/Discount Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Premium/Discount Risk. The market price of the Fund’s Shares will generally fluctuate in accordance with changes in the Fund’s net asset value as well as the relative supply of and demand for Shares on the Exchange. The Fund’s market price may deviate from the value of the Fund’s underlying portfolio holdings, particularly in time of market stress, with the result that investors may pay more or receive less than the underlying value of the Shares bought or sold. The Adviser cannot predict whether Shares will trade below, at, or above their net asset value because the Shares trade on the Exchange at market prices and not at net asset value. Price differences may be due, in large part, to the fact that supply and demand forces at work in the secondary trading market for Shares will be closely related, but not identical, to the same forces influencing the prices of the holdings of the Fund trading individually or in the aggregate at any point in time. However, given that Shares can only be purchased and redeemed in Creation Units, and only to and from broker-dealers and large institutional investors that have entered into participation agreements (unlike shares of closed-end funds, which frequently trade at appreciable discounts from, and sometimes at premiums to, their net asset value), the Adviser believes that large discounts or premiums to the net asset value of Shares should not be sustained. During stressed market conditions, the market for the Fund’s Shares may become less liquid in response to deteriorating liquidity in the market for the Fund’s underlying portfolio holdings, which could in turn lead to differences between the market price of the Fund’s Shares and their net asset value. This can be reflected as a spread between the bid and ask prices for the Fund quoted during the day or a premium or discount in the closing price from the Fund’s NAV.

Solana ETF | Reverse Repurchase Agreements Risk [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Reverse Repurchase Agreements Risk. The Fund may invest in reverse repurchase agreements. Reverse repurchase agreements are transactions in which the Fund sells portfolio securities to financial institutions such as banks and broker-dealers, and agrees to repurchase them at a mutually agreed-upon date and price which is higher than the original sale price. Reverse repurchase agreements are a form of leverage and the use of reverse repurchase agreements by the Fund may increase the Fund’s volatility. The Fund incurs costs, including interest expenses, in connection with the opening and closing of reverse repurchase agreements that will be borne by the shareholders.

Reverse repurchase agreements are also subject to the risk that the other party to the reverse repurchase agreement will be unable or unwilling to complete the transaction as scheduled, which may result in losses to the Fund. In situations where the Fund is required to post collateral with a counterparty, the counterparty may fail to segregate the collateral or may commingle the collateral with the counterparty’s own assets. As a result, in the event of the counterparty’s bankruptcy or insolvency, the Fund’s collateral may be subject to the conflicting claims of the counterparty’s creditors, and the Fund may be exposed to the risk of a court treating the Fund as a general unsecured creditor of the counterparty, rather than as the owner of the collateral. There can be no assurance that a counterparty will not default and that the Fund will not sustain a loss on a transaction as a result.

Reverse repurchase agreements also involve the risk that the market value of the securities sold by the Fund may decline below the price at which it is obligated to repurchase the securities. In addition, when the Fund invests the proceeds it receives in a reverse repurchase transaction, there is a risk that those investments may decline in value. In this circumstance, the Fund could be required to sell other investments in order to meet its obligations to repurchase the securities.

Solana ETF | Subsidiary Investment Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Subsidiary Investment Risk. Changes in the laws of the United States and/or the Cayman Islands, under which the Fund and the Subsidiary are organized, respectively, could result in the inability of the Fund to operate as intended and could negatively affect the Fund and its shareholders. The Subsidiary is not registered under the 1940 Act and is not subject to all the investor protections of the 1940 Act. However, as the Subsidiary is wholly-owned by the Fund, and the investors of the Fund will have the investor protections of the 1940 Act, the Fund as a whole — including the Subsidiary — will provide investors with 1940 protections.

Solana ETF | Tax Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Tax Risk. The Fund intends to elect and to qualify each year to be treated as a RIC under Subchapter M of the Code. As a RIC, the Fund will not be subject to U.S. federal income tax on the portion of its net investment income and net capital gain that it distributes to Shareholders, provided that it satisfies certain requirements of the Code. If the Fund does not qualify as a RIC for any taxable year and certain relief provisions are not available, the Fund’s taxable income will be subject to tax at the Fund level and to a further tax at the shareholder level when such income is distributed. Additionally, buying securities shortly before the record date for a taxable dividend or capital gain distribution is commonly known as “buying the dividend.” In the event a shareholder purchases Shares shortly before such a distribution, the entire distribution may be taxable to the shareholder even though a portion of the distribution effectively represents a return of the purchase price. To comply with the asset diversification test applicable to a RIC, the Fund will limit its investments in the Subsidiary to 25% of the Fund’s total assets at the end of each tax quarter. The investment strategy of the Fund will cause the Fund to hold substantially more than 25% of the Fund’s total assets in investments in the Subsidiary the majority of the time. The Fund intends to manage the exposure to the Subsidiary so that the Fund’s investments in the Subsidiary do not exceed 25% of the total assets at the end of any tax quarter. If the Fund’s investments in the Subsidiary were to exceed 25% of the Fund’s total assets at the end of a tax quarter, the Fund, generally, has a grace period to cure such lack of compliance. If the Fund fails to timely cure, it may no longer be eligible to be treated as a RIC.

Because Solana Futures Contracts produce non-qualifying income for purposes of qualifying as a RIC, the Fund makes its investments in Solana Futures Contracts through the Subsidiary. The Fund intends to treat any income it may derive from the futures contracts received by the Subsidiary as “qualifying income” under the provisions of the Code applicable to RICs. The Internal Revenue Service (the “IRS”) has issued numerous Private Letter Rulings (“PLRs”) provided to third parties not associated with the Fund or its affiliates (which only those parties may rely on as precedent) concluding that similar arrangements resulted in qualifying income. Many of such PLRs have now been revoked by the IRS. In March of 2019, the Internal Revenue Service published Regulations that concluded that income from a corporation similar to the Subsidiary would be qualifying income, if the income is related to the Fund’s business of investing in stocks or securities. Although the Regulations do not require distributions from the Subsidiary, the Fund intends to cause the Subsidiary to make distributions that would allow the Fund to make timely distributions to its shareholders. The Fund generally will be required to include in its own taxable income the income of the Subsidiary for a tax year, regardless of whether the Fund receives a distribution of the Subsidiary’s income in that tax year, and this income would nevertheless be subject to the distribution requirement for qualification as a regulated investment company and would be taken into account for purposes of the 4% excise tax.

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 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.

Solana ETF | Trading Issues Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

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 Exchange’s “circuit breaker” rules. There can be no assurance that the requirements of the Exchange necessary to maintain the listing of the Fund will continue to be met or will remain unchanged. The Fund may have difficulty maintaining its listing on the Exchange in the event the Fund’s assets are small, the Fund does not have enough shareholders, or if the Fund is unable to proceed with creation and/or redemption orders.

Solana ETF | Valuation Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Valuation Risk. The Fund or the Subsidiary may hold securities or other assets that may be valued on the basis of factors other than market quotations. This may occur because the asset or security does not trade on a centralized exchange, or in times of market turmoil or reduced liquidity. There are multiple methods that can be used to value a portfolio holding when market quotations are not readily available. The value established for any portfolio holding at a point in time might differ from what would be produced using a different methodology or if it had been priced using market quotations. Portfolio holdings that are valued using techniques other than market quotations, including “fair valued” assets or securities, may be subject to greater fluctuation in their valuations from one day to the next than if market quotations were used. In addition, there is no assurance that the Fund or the Subsidiary could sell or close out a portfolio position for the value established for it at any time, and it is possible that the Fund or the Subsidiary would incur a loss because a portfolio position is sold or closed out at a discount to the valuation established by the Fund or the Subsidiary at that time. The Fund’s ability to value investments may be impacted by technological issues or errors by pricing services or other third-party service providers.

Solana ETF | Volatility Risk [Member]  
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Risk [Text Block] rr_RiskTextBlock

Volatility Risk. Volatility is the characteristic of a security or other asset, an index or a market to fluctuate significantly in price within a short time period. The value of the Fund’s investments in Solana Futures Contracts — and therefore the value of an investment in the Fund — could decline significantly and without warning, including to zero. If you are not prepared to accept significant and unexpected changes in the value of the Fund and the possibility that you could lose your entire investment in the Fund, you should not invest in the Fund.

Solana ETF | Solana ETF  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 1.15%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets none [1]
Adviser Recoupment/(Waiver) rr_AcquiredFundFeesAndExpensesOverAssets 0.20% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.15%
Total Annual Fund Operating Expenses After Fees Waived/Expenses Reimbursed rr_NetExpensesOverAssets 0.95%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 97
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 $ 304
[1] “Other Expenses” are estimates based on the expenses the Fund expects to incur for the current fiscal year.
[2] The Fund’s investment adviser has contractually agreed to waive or reduce its management fee and/or reimburse expenses of the Fund in an amount that limits “Total Annual Operating Expenses” (exclusive of interest, taxes, brokerage fees and commissions, acquired fund fees and expenses, and extraordinary expenses) to not more than 0.95% of the average daily net assets of the Fund. The fee waiver agreement will remain in effect at least through June 30, 2026. The fee waiver agreement may be modified or terminated prior to this date only at the discretion of the Board of Trustees.