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Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Accounting Policies [Abstract]      
Platinum receivable $ 0   $ 0
Platinum payable $ 0   0
Minimum block of shares issued redeemed against platinum 50,000    
Reserve for uncertain tax positions $ 0   0
Expense ratio [1] 0.60% 0.60%  
Sponsor's Fee $ 1,561,511 $ 1,377,665  
Fees payable to Sponsor 543,610   $ 518,692
All other expenses $ 0 $ 0  
[1] Annualized for periods less than one year.