v3.26.1
INVESTMENT IN GOLD - Changes in Ounces of Gold Held and Respective Fair value (Details)
 3 Months Ended
Jun. 30, 2026
USD ($)
oz
Jun. 30, 2025
USD ($)
oz
INVESTMENT IN GOLD [Abstract]    
Beginning Balance (Amount in Ounces) | oz 103,215.624 60,016.277
Beginning Balance (Amount in US$) | $ $ 475,653,721 [1] $ 186,956,705
Gold received for the creation of Shares (Amount in Ounces) | oz 0 14,001.581
Gold received for the creation of Shares (Amount in US$) | $ $ 0 $ 45,549,915
Gold distributed for the redemption of Shares (Amount in Ounces) | oz 0 (4,666.909)
Gold distributed for the redemption of Shares (Amount in US$) | $ $ 0 $ (14,608,036)
Principal on gold sales to pay expenses (Amount in Ounces) | oz (42.147) (23.386)
Principal on gold sales to pay expenses (Amount in US$) | $ $ (194,167) $ (76,561)
Net realized gain (loss) from gold bullion distributed for the redemptions of shares and sold to pay expenses (Amount in Ounces) | oz 0 0
Net realized gain (loss) from gold bullion distributed for the redemptions of shares and sold to pay expenses (Amount in US$) | $ $ 63,678 $ 2,885,981
Net change in unrealized appreciation (depreciation) on investment in gold (Amount in ounces) | oz 0 0
Net change in unrealized appreciation (depreciation) on investment in gold (Amount in US$) | $ $ (60,141,655) $ 7,202,893
Ending Balance (Amount in Ounces) | oz 103,173.477 69,327.563
Ending Balance (Amount in US$) | $ $ 415,381,577 [1] $ 227,910,897
[1] Cost of investment in gold bullion: $319,429,416 at June 30, 2026 and $319,559,905 at March 31, 2026.