Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
EXPENSES
Sponsor's Fee	$ 640,270	$ 885,125
Total expenses	640,000	885,000
Net investment loss	(640,000)	(885,000)
REALIZED AND UNREALIZED GAINS / (LOSSES)
Realized loss on platinum transferred to pay expenses	(299,000)	(107,000)
Realized (loss) / gain on platinum distributed for the redemption of Shares	(8,563,000)	(3,442,000)
Change in unrealized gain / (loss) on investment in platinum	55,907,000	(36,856,000)
Total gain / (loss) on platinum	47,045,000	(40,405,000)
Change in net assets from operations	$ 46,405,000	$ (41,290,000)
Net increase / (decrease) in net assets per Share	$ 9.61	$ (7.98)
Weighted average number of Shares (in Shares)	4,831,319	5,175,000