Note 2 - Significant Accounting Policies - Activity in Bitcoin (Details) |
3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
USD ($)
|
|||||||
| Beginning balance | 551,918 | 0 | ||||||
| Beginning balance, average cost | $ 37,372,942,571 | $ 0 | ||||||
| Beginning balance, fair value | $ 51,530,013,513 | $ 0 | ||||||
| Bitcoin purchased | 57,098 | 252,016 | ||||||
| Bitcoin purchased, average cost | $ 5,613,392,900 | $ 13,984,757,957 | ||||||
| Bitcoin purchased, fair value | $ 5,613,392,900 | $ 13,984,757,957 | ||||||
| Bitcoin sold for the redemption of shares | (32,628) | 0 | ||||||
| Bitcoin sold for the redemption of shares, average cost | $ (2,275,391,751) | $ 0 | ||||||
| Bitcoin sold for the redemption of shares, fair value | (2,899,791,039) | 0 | ||||||
| Bitcoin sold for the redemption of shares, realized gain (loss) | $ 624,399,288 | $ 0 | ||||||
| Bitcoin sold to pay expenses | (350) | (5) | ||||||
| Bitcoin sold to pay expenses, average cost | $ (24,368,414) | $ (257,005) | ||||||
| Bitcoin sold to pay expenses, fair value | (32,808,972) | (357,530) | ||||||
| Bitcoin sold to pay expenses, realized gain (loss) | 8,440,558 | 100,525 | ||||||
| Net realized gain (loss), fair value | 632,839,846 | [1] | 100,525 | [2] | ||||
| Net change in unrealized appreciation/depreciation, fair value | $ (7,057,849,155) | $ 3,806,745,993 | ||||||
| Ending balance | 576,038 | 252,011 | ||||||
| Ending balance, average cost | $ 40,686,575,306 | $ 13,984,500,952 | ||||||
| Ending balance, fair value | 47,785,797,093 | 17,791,246,945 | ||||||
| Ending balance, realized gain (loss) | $ 632,839,846 | [1] | $ 100,525 | [2] | ||||
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