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Schedules of Investments (Unaudited) - Open S&P GSCI ER Index Futures Contracts (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Number of contracts	23,659	35,543
Expiration date	Jun. 15, 2026	Mar. 16, 2026
Current notional amount	$ 996,187,510	$ 1,078,495,466
Net unrealized appreciation (depreciation)	$ 68,544,741	$ (14,025,327)

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