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FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES      
Cash investments in money market funds $ 21,630,000 $ 19,630,000  
Cash deposit and investment in treasury 23,015,356 $ 30,295,668  
Future contracts      
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES      
Open future contract notional value $ 46,837,624   $ 62,819,992