STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from (for) operating activities
Net income (loss)	$ 25,402,283	$ 7,346,550
Adjustments to reconcile net income (loss) to net cash from (for) operating activities
Net change in unrealized on futures, forwards, swaps and investments	(7,162,521)	32,987
(Increase) decrease in interest receivable	(8,102)	1,061
(Increase) decrease in due from swaps broker	10,324	419
Increase (decrease) in payable for securities purchased	1,610,060	0
Increase (decrease) in accounts payable and accrued expenses	171,252	24,380
Net purchases from swap broker	590,046	0
Payments for swap contracts	0	(873,825)
Purchases of investments	(325,253,862)	(389,773,120)
Sales/maturities of investments	304,615,385	393,424,817
Net cash from (for) operating activities	(25,135)	10,183,269
Cash flows from (for) financing activities
Redemption of units	(3,243,038)	(6,184,737)
Offering costs paid	(165,593)	(149,636)
Net cash from (for) financing activities	(3,408,631)	(6,334,373)
Net increase (decrease) in cash, cash equivalents and restricted cash	(3,433,766)	3,848,896
Cash, cash equivalents and restricted cash at beginning of period	37,879,336	31,258,386
Cash, cash equivalents and restricted cash at end of period	$ 34,445,570	$ 35,107,282