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FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024
Future contracts |  |  |
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES |  |  |
Monthly average volume | $ 763,667,431 |  | $ 1,046,433,502
Swap contract |  |  |
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES |  |  |
Monthly average volume | 236,227,097 |  | $ 296,548,412
United States Money Market Funds |  |  |
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES |  |  |
Deposits in domestic and foreign financial institutions, including cash investments in money market funds | 675,000,000 | $ 727,450,000 |
US Treasury Securities |  |  |
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES |  |  |
Deposits in domestic and foreign financial institutions, including cash investments in money market funds | 226,511,887 | $ 280,259,886 |
SEC |  |  |
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES |  |  |
Aggregate penalty to be paid | 2,500,000 |  |
Penalty paid | 1,250,000 |  |
CFTC |  |  |
FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES |  |  |
Aggregate penalty to be paid | 2,500,000 |  |
Penalty paid | $ 1,250,000 |  |

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