The following summarizes activity in bitcoin (Details) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2026
USD ($)
Unit
|
Sep. 30, 2025
USD ($)
Unit
|
Sep. 30, 2026
USD ($)
Unit
|
Sep. 30, 2025
USD ($)
Unit
|
|
| Crypto Asset, Holding [Line Items] | ||||
| Net Change in unrealized appreciation (depreciation) from investment in bitcoin | $ 145,516,428 | $ 35,174,535 | $ (32,220,804) | $ (16,289,482) |
| Net Realized gain (loss) on investments in bitcoin | $ 641,330 | $ 8,578,084 | $ 3,572,180 | $ 125,395,088 |
| Bitcoin [Member] | ||||
| Crypto Asset, Holding [Line Items] | ||||
| Beginning balance | Unit | 5,864 | 5,854 | 5,767 | 8,849 |
| Beginning balance, fair value | $ 342,431,656 | $ 625,905,470 | $ 505,489,906 | $ 826,306,338 |
| Bitcoin purchased | Unit | 28 | 328 | 847 | 966 |
| Bitcoin purchased, fair value | $ 1,695,959 | $ 37,016,953 | $ 67,396,359 | $ 97,671,950 |
| Bitcoin sold for the redemption of Shares | Unit | (182) | (211) | (897) | (3,835) |
| Bitcoin sold for the redemption of Shares, fair value | $ (12,445,212) | $ (23,660,455) | $ (65,820,911) | $ (349,195,688) |
| Bitcoin transferred to pay the Sponsor fee | Unit | (4) | (4) | (11) | (13) |
| Bitcoin transferred to pay the Sponsor fee, fair value | $ (258,970) | $ (425,325) | $ (835,539) | $ (1,298,944) |
| Net Change in unrealized appreciation (depreciation) from investment in bitcoin | 145,516,428 | 35,174,535 | (32,220,804) | (16,289,482) |
| Net Realized gain (loss) on investments in bitcoin | $ 641,330 | $ 8,578,084 | $ 3,572,180 | $ 125,395,088 |
| Ending balance | Unit | 5,706 | 5,967 | 5,706 | 5,967 |
| Ending balance, fair value | $ 477,581,191 | $ 682,589,262 | $ 477,581,191 | $ 682,589,262 |