XML 47 R36.htm IDEA: XBRL DOCUMENT v3.26.1
Financial Highlights - Schedule of Share Outstanding (Details) - $ / shares
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
-1x Short VIX Futures ETF [Member]      
Schedule of Share Outstanding      
Net Asset Value, Beginning of Period $ 24.26 $ 25.39  
Market Value Per Share, at March 31, 2026 and March 31, 2025 $ 15.71 $ 20.34  
Total Return at Net Asset Value [1] (35.15%) (19.97%)  
Total Return at Market Value [1] (35.16%) (19.83%)  
Ratios to Average Net Assets: (5)      
Expense ratio [2] 1.82% 1.66%  
Net Investment Income (Loss) [2] 0.09% 0.55%  
Net investment income (loss) [4] $ 0 [3] $ 0.03  
Net Realized and Unrealized Gain (Loss) on Investments and Futures Contracts [5] (8.53) (5.1)  
Net Increase (Decrease) in Net Asset Value Resulting from Operations (8.53) (5.07)  
Net Asset Value, End of Period 15.73 20.32  
2x Long VIX Futures ETF [Member]      
Schedule of Share Outstanding      
Net Asset Value, Beginning of Period 5.7 33.93  
Market Value Per Share, at March 31, 2026 and March 31, 2025 $ 8.66 $ 37.24 $ 5.71
Total Return at Net Asset Value [1] 52.15% 9.25%  
Total Return at Market Value [1] 51.66% 9.51%  
Ratios to Average Net Assets: (5)      
Expense ratio [2] 2.01% 2.04%  
Net Investment Income (Loss) [2] (0.41%) 0.55%  
Net investment income (loss) [4] $ (0.01) $ 0.04  
Net Realized and Unrealized Gain (Loss) on Investments and Futures Contracts [5] 2.98 3.1  
Net Increase (Decrease) in Net Asset Value Resulting from Operations 2.97 3.14  
Net Asset Value, End of Period $ 8.67 $ 37.07  
[1] Percentages are not annualized for the period ended March 31, 2026 and March 31, 2025
[2] Percentages are annualized.
[3] Amount represents less than $0.005 per share.
[4] Net investment income (loss) per share represents net investment income (loss) divided by the daily average shares of beneficial interest outstanding during the period.
[5] Due to timing of capital share transactions, per share amounts may not compare with amounts appearing elsewhere within these Financial Statements.