Note 2 - Significant Accounting Policies - Activity in Silver Bullion (Details) |
3 Months Ended | 6 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2021
USD ($)
oz
|
Mar. 31, 2021
USD ($)
oz
|
Jun. 30, 2020
USD ($)
oz
|
Mar. 31, 2020
USD ($)
oz
|
Jun. 30, 2021
USD ($)
oz
|
Jun. 30, 2020
USD ($)
oz
|
||||||
| Beginning balance (Ounce) | oz | 575,124,212 | 558,715,882 | 395,368,466 | 362,616,711 | 558,715,882 | 362,616,711 | |||||
| Beginning balance, average cost | $ 11,937,644,776 | $ 10,472,474,303 | $ 6,681,432,888 | $ 6,294,157,046 | $ 10,472,474,303 | $ 6,294,157,046 | |||||
| Beginning balance, fair value | $ 13,802,981,086 | 14,797,590,146 | [1] | $ 5,507,482,733 | 6,543,418,555 | $ 14,797,590,146 | [1] | $ 6,543,418,555 | |||
| Silver bullion contributed (Ounce) | oz | 28,106,701 | 118,708,634 | 192,263,810 | 180,427,906 | |||||||
| Silver bullion contributed, average cost | $ 765,794,167 | $ 1,962,530,775 | $ 5,234,465,003 | $ 2,852,348,213 | |||||||
| Silver bullion contributed, fair value | $ 765,794,167 | $ 1,962,530,775 | $ 5,234,465,003 | $ 2,852,348,213 | |||||||
| Silver bullion distributed (Ounce) | oz | (44,335,250) | (15,569,065) | (191,415,186) | (44,081,945) | |||||||
| Silver bullion distributed, average cost | $ (928,983,617) | $ (261,348,495) | $ (3,919,057,880) | $ (755,993,432) | |||||||
| Silver bullion distributed, fair value | (1,177,999,610) | (250,788,865) | (5,056,623,118) | (735,788,453) | |||||||
| Silver bullion distributed, realized gain (loss) | $ 249,015,993 | $ (10,559,630) | $ 1,137,565,238 | $ (20,204,979) | |||||||
| Silver bullion sold to pay expenses (Ounce) | oz | (722,380) | (500,537) | (1,391,223) | (955,174) | |||||||
| Silver bullion sold to pay expenses, average cost | $ (15,051,815) | $ (8,415,355) | $ (28,477,915) | $ (16,312,014) | |||||||
| Silver bullion sold to pay expenses, fair value | (19,036,249) | (7,832,116) | (37,671,676) | (15,803,415) | |||||||
| Silver bullion sold to pay expenses, realized gain (loss) | 3,984,434 | (583,239) | 9,193,761 | (508,599) | |||||||
| Net realized gain (loss), fair value | 253,000,427 | 893,758,572 | (11,142,869) | (9,570,709) | 1,146,758,999 | (20,713,578) | |||||
| Net change in unrealized appreciation/depreciation, fair value | $ 756,594,817 | $ (2,459,779,533) | $ 1,686,694,147 | $ (1,423,211,664) | $ (1,703,184,716) | $ 263,482,483 | |||||
| Ending balance (Ounce) | oz | 558,173,283 | 575,124,212 | 498,007,498 | 395,368,466 | 558,173,283 | 498,007,498 | |||||
| Ending balance, average cost | $ 11,759,403,511 | $ 11,937,644,776 | $ 8,374,199,813 | $ 6,681,432,888 | $ 11,759,403,511 | $ 8,374,199,813 | |||||
| Ending balance, fair value | 14,381,334,638 | [1] | 13,802,981,086 | 8,886,943,805 | 5,507,482,733 | 14,381,334,638 | [1] | 8,886,943,805 | |||
| Ending balance, realized gain (loss) | $ 253,000,427 | $ 893,758,572 | $ (11,142,869) | $ (9,570,709) | $ 1,146,758,999 | $ (20,713,578) | |||||
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