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Investments (Details) - Schedule of Effect of Derivative Instruments on The Statement of Operations - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
VIX Futures Contracts Net realized gain (loss) on futures contracts/changes in unrealized appreciation (depreciation) on futures contracts
Realized Gain (Loss) on Derivatives Recognized in Income	$ (105,708,191)	$ 2,955,398	$ (143,650,892)	$ 2,950,866
Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income	(5,185,962)	578,864	(5,225,041)	719,789
1 x Short VIX Futures ETF [Member]
VIX Futures Contracts Net realized gain (loss) on futures contracts/changes in unrealized appreciation (depreciation) on futures contracts
Realized Gain (Loss) on Derivatives Recognized in Income	37,164,451	(4,573,051)	42,451,505	(4,577,129)
Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income	(811,301)	835,808	5,362,473	700,531
2x Long VIX Futures ETF [Member]
VIX Futures Contracts Net realized gain (loss) on futures contracts/changes in unrealized appreciation (depreciation) on futures contracts
Realized Gain (Loss) on Derivatives Recognized in Income	(142,872,642)	7,528,449	(186,102,397)	7,527,995
Change in Unrealized Appreciation (Depreciation) on Derivatives Recognized in Income	$ (4,374,661)	$ (256,944)	$ (10,587,514)	$ 19,258