Statements of Assets and Liabilities (Unaudited) - USD ($)		Sep. 30, 2025	Dec. 31, 2024
Assets [Abstract]
Cash		$ 121,011	$ 1,502,280
Short-term investments, at fair value	[1]	950,904,561	927,380,783
Short-term investments held at the broker (restricted), at fair value	[2]	48,341,812	36,229,375
Receivable for variation margin on open futures contracts (Note 9)		0	3,037,571
Receivable for capital shares sold		3,435,725	0
Total Assets		1,002,803,109	968,150,009
Liabilities
Sponsor’s fees payable		611,718	600,479
Payable for variation margin on open futures contracts (Note 9)		8,121,169	0
Total Liabilities		8,732,887	600,479
Commitments and contingent liabilities (Note 7)
Net Assets		$ 994,070,222	$ 967,549,530
Shares issued and outstanding (in shares)	[3]	43,400,000	44,500,000
Net asset value per Share (Note 2G) (in dollars per share)		$ 22.9	$ 21.74

[1] Cost of short-term investments: $950,835,419 and $927,149,956, respectively.

[2] Cost of short-term investments held at the broker (restricted): $48,337,838 and $36,223,466, respectively.

[3] No par value, unlimited amount authorized.