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Unaudited Statements of Changes in Net Assets - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Statement of Partners' Capital [Abstract]
Net Assets - Opening Balance	$ 32,446,449	$ 34,898,382	$ 28,322,519	$ 35,657,505
Creations	2,820,652	2,908,789	6,027,193	4,003,820
Redemptions	(2,959,784)	(2,512,680)	(4,324,677)	(4,686,586)
Net investment loss	(32,745)	(35,233)	(62,913)	(70,221)
Net realized gain/(loss) from investment in gold sold to pay expenses	1,092	1,918	269	2,508
Net realized gain/(loss) from gold distributed for the redemption of shares	120,555	148,686	82,967	187,077
Net change in unrealized appreciation/(depreciation) on investment in gold	255,938	591,410	2,606,799	907,169
Net Assets - Closing Balance	$ 32,652,157	$ 36,001,272	$ 32,652,157	$ 36,001,272

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