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Schedule of Investments (Unaudited) - Futures Contracts
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Contract
Dec. 31, 2021
USD ($)
Contract
Schedule Of Investments [Line Items]    
Currency Futures Contracts, Value $ 45,465,892 $ 48,508,291
Short [Member] | Futures [Member] | ICE U.S. Dollar Index [Member]    
Schedule Of Investments [Line Items]    
Currency Futures Contracts, Number of Contracts | Contract 452 504
Currency Futures Contracts, Expiration Date Jun. 30, 2022 Mar. 31, 2022
Currency Futures Contracts, Notional Value $ (44,458,720) $ (48,178,872)
Currency Futures Contracts, Value [1] 73,580 288,029
Currency Futures Contracts, Unrealized Appreciation (Depreciation) [1] $ 73,580 $ 288,029
[1] Unrealized Appreciation (Depreciation) and Value are presented above, net by contract.