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CONTRACTS AND AGREEMENTS - Brokerage Commissions (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Brokerage commissions $ 181,930 $ 277,795 $ 548,601
Percentage of average daily net assets 0.07% 0.09% 0.19%
Rebalancing Investments Transaction      
Brokerage commissions $ 168,656 $ 262,518 $ 527,095
Percentage of average daily net assets 92.70% 94.50% 96.08%
Creation And Redemption Activity      
Brokerage commissions $ 13,274 $ 15,277 $ 21,506
Percentage of average daily net assets 7.30% 5.50% 3.92%