v3.10.0.1
Statements of Operations - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
EXPENSES      
Sponsor's Fee $ 1,073,755 $ 1,278,403 $ 1,099,935
Total expenses 1,074,000 1,278,000 1,100,000
Net investment loss (1,074,000) (1,278,000) (1,100,000)
REALIZED AND UNREALIZED GAINS / (LOSSES)      
Realized gain / (loss) on palladium transferred to pay expenses 340,000 266,000 (82,000)
Realized gain / (loss) on palladium distributed for the redemption of Shares 30,150,000 14,337,000 (1,837,000)
Change in unrealized (loss) /gain on investment in palladium (13,150,000) 77,205,000 43,045,000
Total gain on investment in palladium 17,340,000 91,808,000 41,126,000
Change in net assets from operations $ 16,266,000 $ 90,530,000 $ 40,026,000
Net increase in net assets per Share $ 8.91 $ 35.37 $ 12.85
Weighted average number of Shares (in Shares) 1,826,301 2,559,726 3,114,344