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v3.25.3

Organization - Additional Information (Detail) |  |  | 3 Months Ended | 9 Months Ended | 15 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 09, 2024 USD ($) $ / shares shares | Jun. 17, 2024 USD ($) shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($) shares | Sep. 30, 2024 USD ($) shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2025 Creationbasket shares
Organization [Line Items] |  |  |  |  |  |  |
Shares issued (in shares) | shares |  |  | 660,000 | 783,000 | 787,000 | 935,000 |
Stock issued | $ |  |  | $ 26,961,783 | $ 23,895,890 | $ 23,995,890 | $ 33,387,002 |
Number of shares issued per Creation Basket | shares |  |  |  |  |  |  | 5,000
Minimum number of Creation Baskets that can be purchased | Creationbasket |  |  |  |  |  |  | 1
Redemption value | $ |  |  | $ 24,757,476 | $ 100,000 | $ 100,000 | $ 26,208,385 |
Initial Seed Shares |  |  |  |  |  |  |
Organization [Line Items] |  |  |  |  |  |  |
Shares issued (in shares) | shares |  | 4,000 |  |  |  |  |
Stock issued | $ |  | $ 100,000 |  |  |  |  |
Share issued price per share | $ / shares | $ 25 |  |  |  |  |  |
Redemption value | $ | $ 100,000 |  |  |  |  |  |
Creation Baskets |  |  |  |  |  |  |
Organization [Line Items] |  |  |  |  |  |  |
Number of creation basket shares | shares | 3,000 |  |  |  |  |  |
Creation Baskets | Ethereum |  |  |  |  |  |  |
Organization [Line Items] |  |  |  |  |  |  |
Number of ethereums, per share | $ / shares | $ 30.042 |  |  |  |  |  |

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