v3.25.4
Financial Highlights - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Per Share Performance (for a Share outstanding throughout the entire period)      
Net asset value per Share at beginning of period $ 83.52 $ 91.93 $ 95.35
Income from investment operations:      
Net investment loss (0.72) (0.53) (0.54)
Total realized and unrealized gains or losses on investment in platinum 101.31 (7.88) (2.88)
Change in net assets from operations 100.59 (8.41) (3.42)
Net asset value per Share at end of period $ 184.11 $ 83.52 $ 91.93
Weighted average number of Shares 12,740,274 11,321,721 10,763,562
Expense ratio 0.60% 0.60% 0.60%
Net investment loss ratio (0.60%) (0.60%) (0.60%)
Total return, net asset value 120.44% (9.15%) (3.59%)