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Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy	Sep. 30, 2022 USD ($)
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	$ 179,693,682
-1x Short VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	(39,126,965)
2x Long VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	218,820,647
Level I - Quoted Prices [Member] | Money Market Fund [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	47,729,252
Level I - Quoted Prices [Member] | Money Market Fund [Member] | -1x Short VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	16,492,725
Level I - Quoted Prices [Member] | Money Market Fund [Member] | 2x Long VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	31,236,527
Level I - Quoted Prices [Member] | Futures Contracts [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	131,964,430	[1]
Level I - Quoted Prices [Member] | Futures Contracts [Member] | -1x Short VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	(55,619,690)	[1]
Level I - Quoted Prices [Member] | Futures Contracts [Member] | 2x Long VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust	187,584,120	[1]
Level II - Other Significant Observable Inputs [Member] | Foreign Currency Forward Contracts [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust
Level II - Other Significant Observable Inputs [Member] | Foreign Currency Forward Contracts [Member] | -1x Short VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust
Level II - Other Significant Observable Inputs [Member] | Foreign Currency Forward Contracts [Member] | 2x Long VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust
Level II - Other Significant Observable Inputs [Member] | Swap Agreements [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust
Level II - Other Significant Observable Inputs [Member] | Swap Agreements [Member] | -1x Short VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust
Level II - Other Significant Observable Inputs [Member] | Swap Agreements [Member] | 2x Long VIX Futures ETF [Member]
Significant Accounting Policies (Details) - Schedule of valuation of investments at using the fair value hierarchy [Line Items]
Total Trust
[1] Includes cumulative appreciation (depreciation) of futures contracts as reported in the Schedule of Investments. Only current day’s variation margin is reported within the Statements of Financial Condition in receivable/payable on open futures.

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