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Investments (Details) - Schedule of fair value of derivative instruments
Sep. 30, 2022
USD ($)
Asset Derivatives [Member] | Unrealized Appreciation [Member]  
Derivatives, Fair Value [Line Items]  
Total Trust $ 14,296,435 [1]
Asset Derivatives [Member] | -1x Short VIX Futures ETF [Member] | Unrealized Appreciation [Member]  
Derivatives, Fair Value [Line Items]  
Total Trust (5,577,769) [1]
Asset Derivatives [Member] | 2x Long VIX Futures ETF [Mmeber] | Unrealized Appreciation [Member]  
Derivatives, Fair Value [Line Items]  
Total Trust 20,593,993
Liability Derivatives [Member] | Unrealized Depreciation [Member]  
Derivatives, Fair Value [Line Items]  
Total Trust [1]
Liability Derivatives [Member] | -1x Short VIX Futures ETF [Member] | Unrealized Depreciation [Member]  
Derivatives, Fair Value [Line Items]  
Total Trust [1]
Liability Derivatives [Member] | 2x Long VIX Futures ETF [Mmeber] | Unrealized Depreciation [Member]  
Derivatives, Fair Value [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.