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Investments - Schedule of Effect of Derivative Instruments on the Statement of Operations (Details) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
-1x Short VIX Futures ETF [Member]    
Schedule of Effect of Derivative Instruments on the Statement of Operations [Line Items]    
Net Realized Gain (Loss) on Derivatives Purchased Option Contracts $ (119,483) $ (1,518,833)
Net Realized Gain (Loss) on Derivatives Short and Long Futures Contracts (57,533,903) (26,461,856)
Net Realized Gain (Loss) on Derivatives (57,653,386) (27,980,689)
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Purchased Option Contracts (316,703) 90,533
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Short and Long Futures Contracts (22,387,074) (4,663,230)
Net Change in Unrealized Appreciation (Depreciation) on Derivatives (22,703,777) (4,572,697)
-1x Short VIX Futures ETF [Member] | Index Contracts [Member]    
Schedule of Effect of Derivative Instruments on the Statement of Operations [Line Items]    
Net Realized Gain (Loss) on Derivatives Purchased Option Contracts (119,483) (1,518,833)
Net Realized Gain (Loss) on Derivatives Short and Long Futures Contracts (57,533,903) (26,461,856)
Net Realized Gain (Loss) on Derivatives (57,653,386) (27,980,689)
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Purchased Option Contracts (316,703) 90,533
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Short and Long Futures Contracts (22,387,074) (4,663,230)
Net Change in Unrealized Appreciation (Depreciation) on Derivatives (22,703,777) (4,572,697)
2x Long VIX Futures ETF [Member]    
Schedule of Effect of Derivative Instruments on the Statement of Operations [Line Items]    
Net Realized Gain (Loss) on Derivatives Purchased Option Contracts
Net Realized Gain (Loss) on Derivatives Short and Long Futures Contracts 141,513,502 78,077,648
Net Realized Gain (Loss) on Derivatives 141,513,502 78,077,648
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Purchased Option Contracts
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Short and Long Futures Contracts 76,382,120 2,686,893
Net Change in Unrealized Appreciation (Depreciation) on Derivatives 76,382,120 2,686,893
2x Long VIX Futures ETF [Member] | Index Contracts [Member]    
Schedule of Effect of Derivative Instruments on the Statement of Operations [Line Items]    
Net Realized Gain (Loss) on Derivatives Purchased Option Contracts
Net Realized Gain (Loss) on Derivatives Short and Long Futures Contracts 141,513,502 78,077,648
Net Realized Gain (Loss) on Derivatives 141,513,502 78,077,648
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Purchased Option Contracts
Net Change in Unrealized Appreciation (Depreciation) on Derivatives Short and Long Futures Contracts 76,382,120 2,686,893
Net Change in Unrealized Appreciation (Depreciation) on Derivatives $ 76,382,120 $ 2,686,893