Condensed Statements of Financial Condition - USD ($)		Sep. 30, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents (at cost $41,994,224 and $72,554,979, respectively) (Notes 2 and 5)		$ 41,994,224	$ 72,554,979
Equity in trading accounts:
Cash and cash equivalents (at cost $30,838,201 and $7,167,433, respectively)		30,838,201	7,167,433
Unrealized gain (loss) on open commodity futures contracts		2,294,015	1,613,858
Receivable from General Partner (Note 3)			195,888
Dividends receivable		873	48
Interest receivable		2,172	2,724
Prepaid insurance*	[1]	10,031	826
ETF transaction fees receivable			350
Total Assets		75,139,516	81,536,106
Liabilities and Partners' Capital
Payable for shares redeemed			1,206,970
General Partner management fees payable (Note 3)		37,783	39,960
Professional fees payable		101,346	117,792
Brokerage commissions payable		12,467	8,231
Directors' fees payable*	[1]	1,543	1,076
License fees payable		3,722	3,211
Total Liabilities		156,861	1,377,240
Commitments and Contingencies (Notes 3, 4 & 5)
Partners' Capital
General Partners			0
Limited Partners		74,982,655	80,158,866
Total Partners' Capital		74,982,655	80,158,866
Total Liabilities and Partners' Capital		$ 75,139,516	$ 81,536,106
Limited Partners' shares outstanding		1,950,000	3,300,000
Net asset value per share		$ 38.45	$ 24.29
Market value per share		$ 38.38	$ 24.31

[1] Certain prior year amounts have been reclassified for consistency with the current presentation.