Statements of Changes in Shareholders' Equity	USD ($) shares
Beginning Balance at Dec. 31, 2024	$ 23,563,253
Beginning Balance (in shares) at Dec. 31, 2024 | shares	708,000
Purchases of Shares	$ 3,057,028
Purchases of Shares (in shares) | shares	115,000
Redemption of Shares	$ (1,450,909)
Redemption of Shares (in shares) | shares	(70,000)
Net Increase (Decrease) due to Share Transactions	$ 1,606,119
Net Increase (Decrease) due to Share Transactions (in shares) | shares	45,000
Net Investment Income (Loss)	$ (12,423)
Net Realized Gain (Loss) on Investments in Ether Sold for Sponsor Fee and Redemptions	(856,905)
Net Change in Unrealized Gain (Loss) on Investments in Ether	(10,565,458)
Net Income (Loss)	(11,434,786)
Net Change in Shareholders' Equity	$ (9,828,667)
Net Change in Shareholders' Equity (in shares) | shares	45,000
Ending Balance at Mar. 31, 2025	$ 13,734,586
Ending Balance (in shares) at Mar. 31, 2025 | shares	753,000
Beginning Balance at Dec. 31, 2025	$ 25,848,181
Beginning Balance (in shares) at Dec. 31, 2025 | shares	873,000
Purchases of Shares	$ 9,837,984
Purchases of Shares (in shares) | shares	490,000
Redemption of Shares	$ (9,295,840)
Redemption of Shares (in shares) | shares	(460,000)
Net Increase (Decrease) due to Share Transactions	$ 542,144
Net Increase (Decrease) due to Share Transactions (in shares) | shares	30,000
Net Investment Income (Loss)	$ (14,251)
Net Realized Gain (Loss) on Investments in Ether Sold for Sponsor Fee and Redemptions	(3,623,785)
Net Change in Unrealized Gain (Loss) on Investments in Ether	(3,856,308)
Net Income (Loss)	(7,494,344)
Net Change in Shareholders' Equity	$ (6,952,200)
Net Change in Shareholders' Equity (in shares) | shares	30,000
Ending Balance at Mar. 31, 2026	$ 18,895,981
Ending Balance (in shares) at Mar. 31, 2026 | shares	903,000