v3.26.1
Statements of Changes in Shareholders' Equity and Redeemable Capital Shares (Unaudited) - USD ($)
Total
Retained Earnings [Member]
Redeemable Capital Shares [Member]
Balance at Dec. 31, 2024     $ 142,170,627
Balance, Shares at Dec. 31, 2024     1,450,000
Purchases of Shares     $ 381,128,335
Purchases of Shares, Shares     3,550,000
Redemption of Shares     $ (52,244,874)
Redemption of Shares, Shares     (500,000)
Net Increase (Decrease) due to Share Transactions     $ 328,883,461
Net Increase (Decrease) due to Share Transactions, Shares     3,050,000
Net Comprehensive Income (Loss) $ (566,785) $ (566,785)  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 566,785 566,785 $ (566,785)
Adjustment of Redeemable Capital Shares to Redemption Value     30,857,406
Balance at Jun. 30, 2025     $ 501,344,709
Balance, Shares at Jun. 30, 2025     4,500,000
Balance at Mar. 31, 2025     $ 165,548,560
Balance, Shares at Mar. 31, 2025     1,650,000
Purchases of Shares     $ 351,070,450
Purchases of Shares, Shares     3,250,000
Redemption of Shares     $ (42,499,894)
Redemption of Shares, Shares     (400,000)
Net Increase (Decrease) due to Share Transactions     $ 308,570,556
Net Increase (Decrease) due to Share Transactions, Shares     2,850,000
Net Comprehensive Income (Loss) (427,048) (427,048)  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 427,048 427,048 $ (427,048)
Adjustment of Redeemable Capital Shares to Redemption Value     27,652,641
Balance at Jun. 30, 2025     $ 501,344,709
Balance, Shares at Jun. 30, 2025     4,500,000
Balance at Dec. 31, 2025 $ 396,269,105   $ 396,269,105
Balance, Shares at Dec. 31, 2025 3,550,000   3,550,000
Purchases of Shares     $ 221,950,507
Purchases of Shares, Shares     1,950,000
Redemption of Shares     $ (173,918,308)
Redemption of Shares, Shares     (1,550,000)
Net Increase (Decrease) due to Share Transactions     $ 48,032,199
Net Increase (Decrease) due to Share Transactions, Shares     400,000
Net Comprehensive Income (Loss) $ (1,356,903) (1,356,903)  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 1,356,903 1,356,903 $ (1,356,903)
Adjustment of Redeemable Capital Shares to Redemption Value     (11,083,041)
Balance at Jun. 30, 2026 $ 431,861,360   $ 431,861,360
Balance, Shares at Jun. 30, 2026 3,950,000   3,950,000
Balance at Mar. 31, 2026     $ 505,564,756
Balance, Shares at Mar. 31, 2026     4,600,000
Purchases of Shares     $ 22,339,493
Purchases of Shares, Shares     200,000
Redemption of Shares     $ (94,780,375)
Redemption of Shares, Shares     (850,000)
Net Increase (Decrease) due to Share Transactions     $ (72,440,882)
Net Increase (Decrease) due to Share Transactions, Shares     (650,000)
Net Comprehensive Income (Loss) $ (677,067) (677,067)  
Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings 677,067 $ 677,067 $ (677,067)
Adjustment of Redeemable Capital Shares to Redemption Value     (585,447)
Balance at Jun. 30, 2026 $ 431,861,360   $ 431,861,360
Balance, Shares at Jun. 30, 2026 3,950,000   3,950,000