Class of Stock [Axis] Total Assets Total Liabilities NET ASSETS Net Assets Beginning of Period End of Period TOTAL NET ASSETS Net Assets Investment Type [Axis] Consolidated Entities [Axis] Total Income Total Expenses Net Investment income/loss Net investment loss Net realized and unrealized gain (loss) on investments and futures contracts NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS Net increase (decrease) in net assets resulting from operations Net increase (decrease) in net assets from capital share transactions Total increase (decrease) in net assets Net cash provided by (used in) operating activities Net cash provided by (used in) financing activities NET INCREASE (DECREASE) IN CASH Beginning of Period End of Period Option Indexed to Issuer's Equity, Type [Axis] Schedule of Futures Contracts [Abstract] Fair Value Hierarchy and NAV [Axis] Organization [Abstract] Significant Accounting Policies [Abstract] Investments [Abstract] Investments: Cash and Cash Equivalents [Axis] Derivative Instrument [Axis] Schedule of Average Notional Value Contracts [Abstract] Schedule of Pledged by Funds Fair Values of Derivative Instruments [Abstract] Schedule of Gross Amounts Not Offset in the Statements of Financial Condition [Abstract] Agreements [Abstract] Offering Costs [Abstract] Creation and Redemption of Creation Units [Abstract] Financial Highlights [Abstract] Net Asset Value, Beginning of Period Net Asset Value, End of Period Net Asset Value, Offering and Redemption Price per Share (in Dollars per share) Risk [Abstract] Subsequent Events [Abstract] ASSETS Assets: Cash Investments in securities, at value Interest receivable Receivable for shares sold Deposits at Broker for Futures and Options Contracts Variation margin receivable Other receivable LIABILITIES Liabilities: Payables Variation margin payable Fund shares redeemed Management fees payable Administrative, accounting and custodian fees payable Professional fees payable Licensing and registration fees payable NET ASSETS CONSIST OF: Paid-in capital Total distributable earnings (accumulated deficit) Net Asset Value (unlimited shares authorized): Class I (unlimited shares authorized): Shares Outstanding (in Shares) Market Value per Share (Note 2) (in Dollars per share) Market Value Per Share, at March 31, 2026 and March 31, 2025 INVESTMENT INCOME Income: Interest income Other Income Expenses: Management fees Administrative, accounting and custodian fees Professional fees Licensing and registration fees REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS AND FUTURES CONTRACTS Net realized gain (loss) on: Options Futures Net change in unrealized appreciation (depreciation) of: Options Futures INCREASE (DECREASE) IN NET ASSETS: OPERATIONS Net realized gain (loss) on investments and futures contracts Net change in unrealized appreciation (depreciation) of investments and futures contracts CAPITAL SHARE TRANSACTIONS Shares sold NET ASSETS CASH FLOW FROM OPERATING ACTIVITIES Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities Proceeds from sales or maturities of investments held Net change in unrealized appreciation/depreciation on investments in options Increase (Decrease) in Variation margin payable Increase (Decrease) in Administrative, accounting and custodian fees payable Increase (Decrease) in Professional fees payable Increase (Decrease) in Licensing and registration fees payable CASH FLOW FROM FINANCING ACTIVITIES Proceeds from shares sold, net of receivable for shares sold PURCHASED OPTIONS - 0.1% (a) Call Options - 0.1% Notional Amount Contracts Value Net Amount Expiration Exercise Price (in Dollars per share) Cost of purchase option TOTAL INVESTMENTS Investment percentage Cost of investment US Bank Money Market Deposit Account Money Market Deposit Account Other Assets in Excess of Liabilities Other assets in excess of liabilities Total net assets, percentage PURCHASED OPTIONS - 0.5% (a) Call Options - 0.5% Contracts Sold (in Shares) Expiration Date Notional Value Value / Unrealized Appreciation (Depreciation) Contracts Purchased (in Shares) Investments Other Financial Instruments: Total Other Financial Instruments Other Financial Instruments: Investments: Other Financial Instruments: Other Financial Instruments: Other Financial Instruments: Other Financial Instruments: Other Shares redeemed Purchase of investments Net realized gain/loss on investments in options Decrease (Increase) in Deposits at broker for futures and options contracts Decrease (Increase) in Variation margin receivable Decrease (Increase) in interest receivable Decrease (Increase) in other receivables Decrease (Increase) in Prepaid expenses and other assets Increase (Decrease) in Payable to Sponsor Cost of shares redeemed, net of payable for shares redeemed Liabilities -1x Short VIX Futures ETF -1x Short VIX Futures ETF [Member] 2x Long VIX Futures ETF 2x Long VIX Futures ETF [Member] Investments in securities, at cost -1x Short VIX Futures ETF -1x Short VIX Futures ETF [Member] Call Option [Member] CBOE Volatility Index [Member] US Bank Money Market Deposit Account [Member] Money Market Deposit Account [Member] CBOE VIX FUTURE [Member] CBOE VIX FUTURE One [Member] CBOE VIX FUTURE Jan26 [Member] CBOE VIX FUTURE Feb26 [Member] Purchased Options [Member] Futures Contracts [Member] Level 1 [Member] Level 2 [Member] Level 3 [Member] ORGANIZATION SIGNIFICANT ACCOUNTING POLICIES Schedule of Cut-Off Times and the Times of the Calculation of the Funds Create/Redeem Cut-off (EST) NAV Calculation Time (EST) NAV Calculation Date INVESTMENTS Schedule of Fair Value of Derivative Instruments Purchased Option Contracts: Statements of Assets and Liabilities Location Fair Value Assets Fair Value Liabilities Short Futures Contracts: Long Futures Contracts: Schedule of Effect of Derivative Instruments on the Statement of Operations Net Realized Gain (Loss) on Derivatives Purchased Option Contracts Net Realized Gain (Loss) on Derivatives Short and Long Futures Contracts Net Realized Gain (Loss) on Derivatives Net Change in Unrealized Appreciation (Depreciation) on Derivatives Purchased Option Contracts Net Change in Unrealized Appreciation (Depreciation) on Derivatives Short and Long Futures Contracts Net Change in Unrealized Appreciation (Depreciation) on Derivatives Schedule of Average Notional Value Contracts Average notional value Schedule of Pledged by Funds Fair Values of Derivative Instruments Gross Amounts of Recognized Assets presented in the Statements of Financial Condition Gross Amounts Offset in the Statements of Financial Condition Net Amounts of Assets presented in the Statements of Financial Condition Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition Gross Amounts Offset in the Statements of Financial Condition Net Amounts of Liabilities presented in the Statements of Financial Condition Schedule of Gross Amounts Not Offset in the Statements of Financial Condition Amounts of Recognized Assets / (Liabilities) presented in the Statements of Financial Condition Financial Instruments for the Benefit of (the Funds) / the Counterparties Cash Collateral for the Benefit of (the Funds) / the Counterparties AGREEMENTS OFFERING COSTS CREATION AND REDEMPTION OF CREATION UNITS Schedule of Transaction Fees Fund transaction fees FINANCIAL HIGHLIGHTS Schedule of Share Outstanding Net investment income (loss) Net investment income (loss) per share Net Realized and Unrealized Gain (Loss) on Investments and Futures Contracts Net Increase (Decrease) in Net Asset Value Resulting from Operations Total Return at Net Asset Value Total Return at Market Value Ratios to Average Net Assets: (5) Expense ratio Net Investment Income (Loss) RISK SUBSEQUENT EVENTS Purchased Option Contracts [Member] Short Futures Contracts [Member] Long Futures Contracts [Member] Index Contracts [Member] Purchased Options Contracts [Member] Location, Statement of Financial Position, Balance [Axis] Scenario [Axis] Related Party Transaction [Axis] Annual gross revenue Non-convertible debt securities Market value of common equity held by non-affiliate Average daily net assets Creation units Authorized participants percentage Relevant benchmark Emerging growth company Use of Estimates & Indemnifications Basis of Presentation Statements of Cash Flows Final Net Asset Value for Fiscal Period Investment Valuation Investment Transactions and Related Income Brokerage Commissions and Futures Account Fees Federal Income Tax Forecast [Member] SVIX [Member] UVIX [Member] Investments [Domain] Consolidated Entities [Domain] Statement [Table] Statement [Line Items] Option Indexed to Issuer's Equity, Type [Domain] Fair Value Hierarchy and NAV [Domain] Significant Accounting Policies - Schedule of Cut-Off Times and the Times of the Calculation of the Funds (Details) [Table] Schedule of Cut-Off Times and the Times of the Calculation of the Funds [Line Items] Cash and Cash Equivalents [Domain] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivatives, Fair Value [Line Items] Derivative Contract [Domain] Investments - Schedule of Effect of Derivative Instruments on the Statement of Operations (Details) [Table] Schedule of Effect of Derivative Instruments on the Statement of Operations [Line Items] Investments - Schedule of Average Notional Value Contracts (Details) [Table] Schedule of Average Notional Value Contracts [Line Items] Derivative [Table] Schedule of Pledged by Funds Fair Values of Derivative Instruments [Line Items] Investments - Schedule of Gross Amounts Not Offset in the Statements of Financial Condition (Details) [Table] Schedule of Gross Amounts Not Offset in the Statements of Financial Condition [Line Items] Creation and Redemption of Creation Units - Schedule of Transaction Fees (Details) [Table] Creation and Redemption of Creation Units - Schedule of Transaction Fees (Details) [Line Items] Investment Company, Financial Highlights [Table] Schedule of Share Outstanding Scenario [Domain] Significant Accounting Policies (Details) [Table] Significant Accounting Policies [Line Items] Related Party Transaction [Domain] Agreements (Details) [Table] Agreements [Line Items] The entire disclosure of agreements disclosure. Percentage of authorized participants percentage. Brokerage commissions and futures account fees [Policy Text Block]. Represent the amount of Cost of purchase option. Create/Redeem Cut-off (EST) 2x Long VIX Futures ETF, description The entire disclosure of creation and redemption of creation units. The share amount of creation units. Amount of decrease (increase) in variation margin receivable. Nominal or face amount used to calculate payment on derivative. Nominal or face amount used to calculate payment on derivative. Disclosure of offering cost. Disclosure of accounting policy for emerging growth company. Represent the value of exercise price. Represent the date of expiration. The entire disclosure of final net asset value for fiscal period. The amount of financial instruments. The amount of Fund shares redeemed. The amount of gross revenue. Represents the amount of Increase (Decrease) in licensing and registration fees payable. Amount of increase (decrease) in payable to sponsor. Amount of increase decrease in variation margin payable. This element represents the excess of the cost (face amount, notional amount) of an investment (security, contract) over its fair value which deficiency has not been recognized in earnings of the entity. Represent the percentage of investment. Investment transactions and related income [Policy Text Block]. Represents the amount of licensing and registration fees. The amount of licensing and registration fees payable. Represents the amount of market value of common equity held by Non-affiliate. Date the NAV calculation date. NAV Calculation Time (EST), description. Represent the value of net change in investment owned unrealized appreciation (depreciation) on derivatives. Represent the value of net change in unrealized appreciation (depreciation) on derivatives purchased option contracts. Represent the value of net change in unrealized appreciation (depreciation) on derivatives short and long futures contracts. The amount of net change in unrealized appreciation (depreciation) of investments and futures contracts. The amount of net change in realized appreciation depreciation on investment in options. Amount of realized and unrealized gain (loss) on investment, and future contracts. Represent the value of net realized gain (loss) on derivatives purchased option contracts. Represent the amount of net realized gain (loss) on derivatives short and long futures contracts. Represents the amount of net realized gain (loss) on options. The amount of net realized gain (loss) on investments and futures contracts. Amount of number of contracts. Represents the number of contracts purchased. Represents the number of contracts sold. Option expiring date. Percentage of other assets in excess of liabilities. Proceeds from sales or maturities of investments. The cash outflow associated with the purchase of all investments during the period. It represent receivable for shares sold. Tabular disclosure of average notional value of contracts. The entire disclosure of cut-off times and times of calculation. The tabular disclosure of offset statement of financial conditions. The entire disclosure of transaction fees. The accounting policy for the statements of cash flows. Represents the amount of unrealized appreciation (depreciation) of future contracts. Class of Stock [Domain] Licensing And Registration Fees Use of Estimates, Policy [Policy Text Block] Cost Of Purchase Option Derivative, Notional Amount Long Futures Contracts Member SVIXMember Assets [Abstract] Schedule Of Cutoff Times And Times Of Calculation Table Text Block Interest Receivable Licensing And Registration Fees Payable Financial Instruments For The Benefit Ofthe Funds The Counterparties Two CBOEVIXFUTUREJan26 Member Investment Company, Net Asset Value, Per Share, Period Increase (Decrease) Other Receivables Accounts Receivable, after Allowance for Credit Loss Net Change In Unrealized Appreciation Depreciation On Derivatives Purchased Option Contracts Schedule Of Share Outstanding Abstract Money Market Deposit Account Member Increase (Decrease) in Prepaid Expense and Other Assets Net Change In Investment Owned Unrealized Appreciation Depreciation On Derivatives Derivative Asset, Subject to Master Netting Arrangement, after Offset Disclosure Of Offering Cost Text Block Gross Revenue Securities Investment [Member] Statement of Stockholders' Equity [Abstract] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Basis of Accounting, Policy [Policy Text Block] Stock Issued During Period, Value, New Issues Schedule Of Gross Amounts Not Offset In The Statements Of Financial Condition Table Text Block Other Investments CBOEVolatility Index Member Concentration Risk Disclosure [Text Block] Location, Statement of Financial Position, Balance [Axis] Class IUnlimited Shares Authorized Abstract Realized Investment Gains (Losses) Final Net Asset Value For Fiscal Period Polcy Text Block Income Statement [Abstract] Investment Income, Interest Investment Company, Capital Share Transaction, Increase (Decrease) Interest Income, Operating NAVCalculation Date Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule Of Average Notional Value Of Contracts Table Text Block Additional Paid in Capital Professional Fees Investment Income, Net [Abstract] Other Assets In Excess Of Liabilities Percentage Assets Liabilities UVIXMember Net Asset Value Per Share Call Option [Member] Realized And Unrealized Gain Loss On Investments And Futures Contracts Abstract Statements Of Cash Flows Policy Text Block Minus Onex Short VIXFutures ETFMember Subsequent Events [Text Block] Financial Instruments, Owned, at Fair Value CBOEVIXFUTUREMember Forecast [Member] Investment, Policy [Policy Text Block] Net Realized And Unrealized Gain Loss On Investments And Futures Contracts Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Purchases Of Investments Assets, Fair Value Disclosure Derivative Assets (Liabilities), at Fair Value, Net Investments Abstract0 CBOEVIXFUTUREOne Member Long Futures Contracts Abstract Derivative, Net Assets, Percentage Investment [Text Block] Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax [Abstract] Increase (Decrease) in Accrued Interest Receivable, Net Investment Owned, Fair Value Retained Earnings (Accumulated Deficit) Call Options01 Abstract Liabilities, Fair Value Disclosure Brokerage Commissions And Futures Account Fees Policy Text Block Other Operating Income (Expense), Net Number Of Contracts Purchased Futures Contracts Member Purchased Options01 AAbstract Fair Value, Inputs, Level 2 [Member] Investment Company, Capital Share Transactions, Stock Issued [Abstract] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net Realized Gain Loss On Derivatives Purchased Option Contracts Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Create Redeem Cutoff Description NAVCalculation Time ESTDescription Debt Securities Management Fee Expense Accrued Professional Fees Purchased Option Contracts Abstract Investment Company, Total Return Proceeds from Issuance or Sale of Equity Investment Owned, Cost Income Tax, Policy [Policy Text Block] Twox Long VIXFutures ETFMember Investment Company, Market Value, Per Share Fair Value, Net Asset (Liability) [Abstract] Purchased Options05 AAbstract Increase Decrease In Licensing And Registration Fees Payable Net Income (Loss) Attributable to Parent [Abstract] Investment Transactions And Related Income Policy Text Block Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Net Change In Unrealized Appreciationdepreciation On Investments In Options Investment Company, Financial Highlights [Table Text Block] Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Excess of Assets over Liabilities Other Income Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Derivative Notional Value Schedule Of Fair Value Of Derivative Instruments Abstract Stock Redeemed or Called During Period, Value Net Asset Value Unlimited Shares Authorized Abstract Payables Abstract Operating Income (Loss) Increase Decrease In Payable To Sponsor Proceeds From Sales Or Maturities Of Investments Investments Net Realized Gain Loss On Derivatives Short And Long Futures Contracts Investment Company, Financial Highlights [Text Block] Significant Accounting Policies [Text Block] Investment Company, Total Return, Market Value Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Administrative Fee Payable Derivative, Gain (Loss) on Derivative, Net Option Expiration Date CBOEVIXFUTUREFeb26 Member Statement of Cash Flows [Abstract] Sale of Trust Assets to Pay Expenses Fair Value, Inputs, Level 3 [Member] Investment Company, Investment Income (Loss) Ratio Fund Shares Redeemed Other Expenses [Abstract] Gain (Loss) on Derivative Instruments, Net, Pretax Schedule Of Transaction Fees Table Text Block Index Contracts Member Schedule Of Effect Of Derivative Instruments On The Statement Of Operations Abstract Net Realized Gain Loss On Options Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Number Of Contracts Sold Net Change In Unrealized Appreciationdepreciation Of Investments And Futures Contracts Expiration Date Authorized Participants Percentage Derivative Asset, Subject to Master Netting Arrangement, before Offset Increase (Decrease) in Earnest Money Deposits Outstanding Payments of Stock Issuance Costs Fair Value, Inputs, Level 1 [Member] Minus One XShort VIXFuture ETFMember Schedule of Derivative Instruments [Table Text Block] Investment Company, Expense Ratio after Incentive Allocation Equity, Attributable to Parent Net Realized Gainloss On Investments And Futures Contracts Increase Decrease In Variation Margin Payable Schedule Of Cut Off Times And The Times Of The Calculation Of The Funds Abstract General and Administrative Expense Other Financial Instruments Abstract Commodity Contract Asset, Current Interest-Bearing Deposits in Banks, Average Yield Management Fee Payable Receivable For Shares Sold Net Investment Income [Abstract] Purchased Option Contracts Member Unrealized Appreciation Depreciation On Future Contracts Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Net Change In Unrealized Appreciation Depreciation On Derivatives Short And Long Futures Contracts Derivative Notional Amounts Call Options05 Abstract Purchased Options Member Short Futures Contracts Abstract Investment Percentage Description of Regulatory Assets and Liabilities Variation Margin Payable, Derivative Net Assets Increase (Decrease) in Other Receivables Leveraged Leases, Effect of Change in Tax Rate Statement of Financial Position [Abstract] Creation And Redemption Of Creation Units Text Block Operating Expenses Other Financial Instruments Abstract0 Other Financial Instruments Abstract1 Other Financial Instruments Abstract2 Other Financial Instruments Abstract3 Cash and Cash Equivalent Net Assets Consist Of Abstract Other Financial Instruments Abstract4 Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Derivative, Fair Value, Net Investment Company, Gain (Loss) on Investment, Per Share Agreements Disclosure Text Block Derivative Liability, Subject to Master Netting Arrangement, after Offset Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Cash Equivalents, at Carrying Value Schedule Of Transaction Fees Abstract Creation Units Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Ratios To Average Net Assets5 Abstract Increase Decrease In Net Assets Abstract Exercise Price Purchased Options Contract Member Shares, Outstanding Other Liabilities, Fair Value Disclosure Schedule Of Investments Unaudited Abstract Increase (Decrease) in Professional Fee Payable Decrease Increase In Variation Margin Receivable Short Futures Contracts Member Number Of Contracts Emerging Growth Company Policy Text Block Liabilities [Abstract] Increase (Decrease) in Administrative Fee Payable Realized Gain (Loss), Investment and Derivative, Operating, before Tax [Abstract] Gain (Loss) on Sale of Derivatives Investment Owned, Net Assets, Percentage Market Value Of Common Equity Held By Nonaffiliate Stockholders' Equity, Period Increase (Decrease) Unrealized Gain (Loss) on Commodity Contracts Investment Owned Unrecognized Unrealized Appreciation Value Derivative Liability, Subject to Master Netting Arrangement, before Offset