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Financial Highlights (Details) - Schedule of Share Outstanding - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
1 x Short VIX Futures ETF [Member] |  |  |  |  |  |  |  |  |
Financial Highlights (Details) - Schedule of Share Outstanding [Line Items] |  |  |  |  |  |  |  |  |
Net Asset Value, Beginning of Period |  | $ 16.55 |  | $ 14.16 |  | $ 14.63 |  | $ 15 |
Net investment loss | [1] | (0.09) |  | (0.05) |  | (0.17) |  | (0.06) |
Net Realized and Unrealized Gain (Loss) on Investments and Futures Contracts | [2] | 11.67 |  | (3.71) |  | 13.67 |  | (4.54) |
Net Increase (Decrease) in Net Asset Value Resulting from Operations |  | 11.58 |  | (3.76) |  | 13.5 |  | (4.6) |
Net Asset Value, End of Period |  | 28.13 |  | 10.4 |  | 28.13 |  | 10.4 |
Market Value Per Share, at June 30, 2023 and June 30, 2022 |  | $ 28.07 |  | $ 10.4 |  | $ 28.07 |  | $ 10.4 |
Total Return at Net Asset Value | [3] | 69.97% |  | (26.56%) |  | 92.28% |  | (30.67%) |
Total Return at Market Value | [3] | 70.02% |  | (25.93%) |  | 91.47% |  | (30.67%) |
Ratios to Average Net Assets: (5) |  |  |  |  |  |  |  |  |
Expense ratio | [4] | 2.20% | [5] | 2.18% | [5] | 2.25% | [6] | 2.18% | [6]
Net Investment Loss |  | (1.75%) |  | (0.50%) |  | (1.84%) | [6] | (0.50%) | [6]
2x Long VIX Futures ETF [Member] |  |  |  |  |  |  |  |  |
Financial Highlights (Details) - Schedule of Share Outstanding [Line Items] |  |  |  |  |  |  |  |  |
Net Asset Value, Beginning of Period |  | $ 15.88 |  | $ 83.2 |  | $ 29.25 | [7] | $ 75 |
Net investment loss | [1] | (0.03) |  | (0.6) |  | (0.08) | [7] | (1.2) |
Net Realized and Unrealized Gain (Loss) on Investments and Futures Contracts | [2] | (11.41) |  | 3 |  | (24.73) | [7] | 11.8 |
Net Increase (Decrease) in Net Asset Value Resulting from Operations |  | (11.44) |  | 2.4 |  | (24.81) | [7] | 10.6 |
Net Asset Value, End of Period |  | 4.44 | [7] | 85.6 |  | 4.44 | [7] | 85.6 |
Market Value Per Share, at June 30, 2023 and June 30, 2022 |  | $ 4.46 | [7] | $ 85.4 |  | $ 4.46 | [7] | $ 85.4 |
Total Return at Net Asset Value | [3] | (72.04%) |  | 2.88% |  | (84.82%) | [7] | 14.13% |
Total Return at Market Value | [3] | (72.09%) |  | 1.30% |  | (84.67%) | [7] | 13.87% |
Ratios to Average Net Assets: (5) |  |  |  |  |  |  |  |  |
Expense ratio | [4] | 2.09% | [5] | 2.91% | [5] | 2.13% | [6],[7] | 2.91% | [6]
Net Investment Loss |  | (1.14%) |  | (0.67%) |  | (1.35%) | [6],[7] | (0.67%) | [6]
[1] | Net investment loss per share represents net investment loss divided by the daily average shares of beneficial interest outstanding during the period.
[2] | Due to timing of capital share transactions, per share amounts may not compare with amounts appearing elsewhere within these Financial Statements.
[3] | Percentages are not annualized for the period ended June 30, 2023 and June 30, 2022
[4] | Percentages are annualized.
[5] | The expense ratio would be 2.17% and 2.09% respectively, for the three months ended June 30, 2023, and 2.00% and 2.81% for the three months ended June 30, 2022 if brokerage commissions and futures and futures account fees were excluded.
[6] | The expense ratio would be 2.23% and 2.13% respectively, for the six months ended June 30, 2023, and 2.01% and 2.84% for the six months ended June 30, 2022 if brokerage commissions and futures and futures account fees were excluded.
[7] | For 2x Long VIX Futures ETF, fianancial highlights have been adjusted to reflect a 1:5 reverse stock split occurring on January 25, 2023, as if it occurred at the commencment of operations.

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