SLV, the iShares Silver Trust ETF is a commodity ETF that tracks the performance of the market price of silver. The precious metals ETF is designed to replicate a means of making an investment similar to an investment in silver, even though the ETF is not the exact equivalent of an investment in silver. The silver ETF provides investors the ability to participate in the silver market through the securities market.
If you'd like to see more related funds, here is a thorough list of precious metals ETNs and ETFs. A List of Gold ETFs

