Number of new stock issued during the period.

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Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Organization - Additional Information (Detail)			3 Months Ended	9 Months Ended
Organization - Additional Information (Detail)	Jul. 08, 2024 USD ($) $ / shares shares	Jun. 17, 2024 USD ($) shares	Mar. 31, 2025 USD ($) shares	Mar. 31, 2025 Creationbasket shares
Organization [Line Items]
Shares issued (in shares) \| shares			115,000
Stock issued \| $			$ 3,057,028
Number of shares issued per Creation Basket \| shares				5,000
Minimum number of Creation Baskets that can be purchased \| Creationbasket				1
Redemption value \| $			$ 1,450,909
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