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Summary of Fair Value Disclosure - USD ($)
Mar. 31, 2026
Dec. 31, 2025
-1x Short VIX Futures ETF [Member]    
Investments:    
Investments $ 442,800 $ 891,000
Other Financial Instruments:    
Total Other Financial Instruments 1,423,751 17,264,334
Other Financial Instruments:    
Liabilities (6,546,491)  
-1x Short VIX Futures ETF [Member] | Level 1 [Member]    
Investments:    
Investments 442,800 891,000
Other Financial Instruments:    
Total Other Financial Instruments
Other Financial Instruments:    
Liabilities  
-1x Short VIX Futures ETF [Member] | Level 2 [Member]    
Investments:    
Investments
Other Financial Instruments:    
Total Other Financial Instruments 1,423,751 17,264,334
Other Financial Instruments:    
Liabilities (6,546,491)  
-1x Short VIX Futures ETF [Member] | Level 3 [Member]    
Investments:    
Investments
Other Financial Instruments:    
Total Other Financial Instruments
Other Financial Instruments:    
Liabilities  
-1x Short VIX Futures ETF [Member] | Purchased Options [Member]    
Investments:    
Investments 442,800 891,000
-1x Short VIX Futures ETF [Member] | Purchased Options [Member] | Level 1 [Member]    
Investments:    
Investments 442,800 891,000
-1x Short VIX Futures ETF [Member] | Purchased Options [Member] | Level 2 [Member]    
Investments:    
Investments
-1x Short VIX Futures ETF [Member] | Purchased Options [Member] | Level 3 [Member]    
Investments:    
Investments
-1x Short VIX Futures ETF [Member] | Futures Contracts [Member]    
Other Financial Instruments:    
Total Other Financial Instruments 1,423,751 [1] 17,264,334 [2]
Other Financial Instruments:    
Liabilities [1] (6,546,491)  
-1x Short VIX Futures ETF [Member] | Futures Contracts [Member] | Level 1 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments [1] [2]
Other Financial Instruments:    
Liabilities [1]  
-1x Short VIX Futures ETF [Member] | Futures Contracts [Member] | Level 2 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments 1,423,751 [1] 17,264,334 [2]
Other Financial Instruments:    
Liabilities [1] (6,546,491)  
-1x Short VIX Futures ETF [Member] | Futures Contracts [Member] | Level 3 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments [1] [2]
Other Financial Instruments:    
Liabilities [1]  
2x Long VIX Futures ETF [Member]    
Other Financial Instruments:    
Total Other Financial Instruments 17,061,971  
Other Financial Instruments:    
Liabilities (1,200,832) (60,520,981)
2x Long VIX Futures ETF [Member] | Level 1 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments  
Other Financial Instruments:    
Liabilities
2x Long VIX Futures ETF [Member] | Level 2 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments 17,061,971  
Other Financial Instruments:    
Liabilities (1,200,832) (60,520,981)
2x Long VIX Futures ETF [Member] | Level 3 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments  
Other Financial Instruments:    
Liabilities
2x Long VIX Futures ETF [Member] | Futures Contracts [Member]    
Other Financial Instruments:    
Total Other Financial Instruments [1] 17,061,971  
Other Financial Instruments:    
Liabilities (1,200,832) [1] (60,520,981) [2]
2x Long VIX Futures ETF [Member] | Futures Contracts [Member] | Level 1 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments [1]  
Other Financial Instruments:    
Liabilities [1] [2]
2x Long VIX Futures ETF [Member] | Futures Contracts [Member] | Level 2 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments [1] 17,061,971  
Other Financial Instruments:    
Liabilities (1,200,832) [1] (60,520,981) [2]
2x Long VIX Futures ETF [Member] | Futures Contracts [Member] | Level 3 [Member]    
Other Financial Instruments:    
Total Other Financial Instruments [1]  
Other Financial Instruments:    
Liabilities [1] [2]
[1] The fair value of the Fund's investment represents the unrealized appreciation (depreciation) as of March 31, 2026.
[2] The fair value of the Fund’s investment represents the net unrealized appreciation (depreciation) as of December 31, 2025.