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Financial Highlights
3 Months Ended
Apr. 30, 2018
Financial Highlights [Abstract]  
Financial Highlights
  For the three months ended April 30,
2018
  For the three months ended April 30,
2017
 
  (unaudited)  (unaudited) 
Net asset value per share, beginning of period $13.25  $12.00 
Net investment loss(a)  (0.01)  (0.01)
Net realized and unrealized gain (loss) on investment in gold bullion  (0.31)  0.53 
Net change in net assets from operations  (0.32)  0.52 
Net asset value per share, end of period $12.93  $12.52 
         
Total return, at net asset value(b)  (2.42)%  4.33%
         
Ratio to average net assets(c)        
Net investment loss  (0.40)%  (0.40)%
Net expenses  0.40%  0.40%

 

(a)Calculated using average shares outstanding
(b)Not Annualized
(c)Annualized