Condensed Statements of Operations (Unaudited) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gain (loss) on trading of commodity futures contracts:
Realized gain (loss) on closed commodity futures contracts		$ 7,019,783	$ 4,794,519	$ 43,542,500	$ 27,005,240
Change in unrealized gain (loss) on open commodity futures contracts		(2,089,811)	2,141,980	680,157	836,082
Realized gain (loss) on short-term investments					7,730
Dividend income		3,539	18,561	10,678	49,883
Interest income*	[1]	8,328	9,432	19,347	147,982
ETF transaction fees		3,150	4,900	9,800	21,000
Total Income (Loss)		4,944,989	6,969,392	44,262,482	28,067,917
Expenses
General Partner management fees (Note 3)		136,971	155,811	461,578	314,413
Professional fees		53,012	48,111	170,641	102,346
Brokerage commissions		22,920	40,545	79,101	105,896
Directors' fees and insurance		7,007	2,328	17,037	6,210
License fees		3,424	3,895	11,539	7,860
Total Expenses		223,334	250,690	739,896	536,725
Expense waiver (Note 3)			(55,927)	(58,573)	(143,709)
Net Expenses		223,334	194,763	681,323	393,016
Net Income (Loss)		$ 4,721,655	$ 6,774,629	$ 43,581,159	$ 27,674,901
Net Income (Loss) per limited partner share		$ 2.59	$ 1.14	$ 14.16	$ (12.28)
Net Income (Loss) per weighted average limited partner share		$ 1.90	$ 1.30	$ 13.95	$ 7.22
Weighted average limited partner shares outstanding		2,479,891	5,210,326	3,123,993	3,834,307

[1] Interest income does not exceed paid in kind of 5%.