v3.26.1
Note 8 - Financial Highlights - Financial Highlights (Details) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Net asset value per Share, beginning of period (in dollars per share) $ 27.03 $ 25
Net investment income (in dollars per share) [1] 0.04 0.06
Net realized and unrealized loss (in dollars per share) [2] (6.54) (4.53)
Net decrease in net assets from operations (in dollars per share) (6.5) (4.47)
Distributions per share (in dollars per share) (0.02) (0.02)
Net asset value per Share, end of period (in dollars per share) $ 20.51 $ 20.51
Total return, at net asset value [3],[4],[5] (24.07%) (23.07%) [6],[7]
Ratio to average net assets:    
Net investment income [8] 0.69% 0.59%
Total expenses [8] 0.30% 0.30%
Total expenses after fees waived [8] 0.17% 0.17%
[1] Based on average Shares outstanding during the period.
[2] The amounts reported for a Share outstanding may not accord with the change in aggregate gains and losses on investment for the period due to the timing of Share transactions in relation to the fluctuating fair values of the Trust’s underlying investment.
[3] Based on the change in net asset value of a Share during the period.
[4] Percentage is not annualized.
[5] Where applicable, assumes the reinvestment of distributions.
[6] For the period January 14, 2026 to June 30, 2026, the Trust’s total return was (17.90)%.
[7] For the period March 11, 2026 (Effective Date) to June 30, 2026.
[8] Percentage is annualized.