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Unaudited Statements of Changes in Net Assets - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Statement of Financial Position [Abstract]    
Net Assets – Opening Balance $ 505,380,907 $ 826,115,990
   Creations 57,449,667 17,581,022
   Redemptions (12,409,871) (286,697,989)
   Net investment income (loss) (288,981) (460,553)
   Net realized gain (loss) 316,512 105,677,876
   Net change in unrealized gain (loss) on investment (120,717,285) (181,830,142)
Net Assets – Closing Balance $ 429,730,949 $ 480,386,204