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Investments - Schedule of Pledged by Funds Fair Values of Derivative Instruments (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsMember | -1x Short VIX Futures ETF [Member]    
Schedule of Pledged by Funds Fair Values of Derivative Instruments [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition $ 29,193,177
Gross Amounts Offset in the Statements of Financial Condition
Net Amounts of Assets presented in the Statements of Financial Condition 29,193,177
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsMember | 2x Long VIX Futures ETF [Member]    
Schedule of Pledged by Funds Fair Values of Derivative Instruments [Line Items]    
Gross Amounts of Recognized Assets presented in the Statements of Financial Condition 6,528,043
Gross Amounts Offset in the Statements of Financial Condition
Net Amounts of Assets presented in the Statements of Financial Condition 6,528,043
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesMember | -1x Short VIX Futures ETF [Member]    
Schedule of Pledged by Funds Fair Values of Derivative Instruments [Line Items]    
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 2,218,776
Gross Amounts Offset in the Statements of Financial Condition
Net Amounts of Liabilities presented in the Statements of Financial Condition 2,218,776
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesMember | 2x Long VIX Futures ETF [Member]    
Schedule of Pledged by Funds Fair Values of Derivative Instruments [Line Items]    
Gross Amounts of Recognized Liabilities presented in the Statements of Financial Condition 64,933,436
Gross Amounts Offset in the Statements of Financial Condition
Net Amounts of Liabilities presented in the Statements of Financial Condition $ 64,933,436