Significant Accounting Policies (Details) - Schedule of Changes in Shares - USD ($)	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Schedule of Changes in Shares [Abstract]
Shares, beginning of period	35,203,259	33,599,843	24,366,372
Shares beginning of period, amount	$ 571,416,810	$ 532,684,047	$ 370,737,948
Shares end of period	39,626,030	35,203,259	33,599,843
Shares end of period, amount	$ 657,109,274	$ 571,416,810	$ 532,684,047
Shares issued	5,944,690	7,638,953	10,223,025
Shares issued, amount	$ 114,227,672	$ 137,482,147	$ 179,243,246
Shares redeemed	(1,521,919)	(6,035,537)	(989,554)
Shares redeemed, amount	$ (28,535,208)	$ (98,749,384)	$ (17,297,147)