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Significant Accounting Policies - Schedule of Cut-Off Times and the Times of the Calculation of the Funds (Details)
 3 Months Ended
Mar. 31, 2026
-1x Short VIX Futures ETF [Member]  
Schedule of Cut-Off Times and the Times of the Calculation of the Funds [Line Items]  
Create/Redeem Cut-off (EST) 2:00 p.m. [1]
NAV Calculation Time (EST) 4:00 p.m.
NAV Calculation Date Mar. 31, 2026
2x Long VIX Futures ETF [Member]  
Schedule of Cut-Off Times and the Times of the Calculation of the Funds [Line Items]  
Create/Redeem Cut-off (EST) 2:00 p.m. [1]
NAV Calculation Time (EST) 4:00 p.m.
NAV Calculation Date Mar. 31, 2026
[1] Although the Funds’ shares may continue to trade on secondary markets subsequent to the calculation of the final NAV, these times represent the final opportunity to transact in creation or redemption units for the three months ended March 31, 2026.