Statements of Changes in Net Assets (Unaudited) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2022 |
Oct. 31, 2021 |
Oct. 31, 2022 |
Oct. 31, 2021 |
|
| Statement of Stockholders' Equity [Abstract] | ||||
| Net assets, beginning of period | $ 623,229,731 | $ 502,216,306 | $ 586,245,772 | $ 442,483,105 |
| Creations | 21,693,449 | 79,365,152 | 103,950,729 | 157,443,950 |
| Redemptions | (74,382,448) | (129,603) | (98,749,385) | (8,525,037) |
| Net investment loss | (380,901) | (329,573) | (1,184,211) | (901,813) |
| Net realized gain (loss) from gold bullion distributed for redemptions | (141,249) | 11,912 | 1,178,406 | 921,833 |
| Net change in unrealized appreciation (depreciation) on investment in gold bullion | (40,058,528) | (15,451,298) | (61,481,257) | (25,739,142) |
| Net assets, end of period | $ 529,960,054 | $ 565,682,896 | $ 529,960,054 | $ 565,682,896 |