v3.25.4
Statements of Operations - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Investment income:      
Investment income $ 0 $ 0 $ 0
Expenses:      
Sponsor's Fee, related party 5,161 7,157 5,476
Net investment loss (5,161) (7,157) (5,476)
Net realized and unrealized (loss) gain from:      
Net realized gain on investment in ETC 3,061 5,003 3,269
Net change in unrealized appreciation/depreciation on investment in ETC (154,951) 31,251 68,838
Net realized and unrealized (loss) gain on investment (151,890) 36,254 72,107
Net (decrease) increase in net assets resulting from operations $ (157,051) $ 29,097 $ 66,631