Fee structure, asset scale, and risk profiles set these two precious metals ETFs apart for investors weighing silver versus platinum.The Abrdn Physical Silver Shares ETF (SIVR 2.78%) charges less and manages more assets, while the Abrdn Physical Platinum Shares ETF (PPLT 4.30%) has seen smaller drawdowns over the past five years.Both SIVR and PPLT are physically backed precious metals funds offered by Aberdeen Investments, designed to give investors simple exposure to silver or platinum. This comparison hig ...