abrdn Physical Platinum Shares ETF (PPLT)

Best for: Active traders or institutional investors who need high liquidity.

Expense Ratio: ~0.60%

AUM: Over $1.6B.

Why it stands out: PPLT is the oldest and largest platinum ETF in the U.S. Because of its size, it has much higher average daily trading volume and tighter bid-ask spreads (the difference between the buy and sell price). This makes it cheaper to enter and exit quickly, even though the annual management fee is slightly higher.