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FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES
Cash investments in money market funds	$ 89,500,000	$ 29,500,000
Cash deposits	54,815,833	$ 47,009,481
Future contracts | Open futures contract
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES
Future contract notional value	$ 100,112,140		$ 95,936,911

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