Investing in commodities can be extremely difficult for ordinary investors. Many commodities aren't tradeable in physical form in any practical sense, and even those that are can involve storage costs and risk of loss from holding the physical commodity. In response, exchange traded fund companies came up with commodity ETFs to make it easier for investors to get exposure to commodities in their portfolio. The following five ETFs have gathered the most assets from investors and offer a range of approaches toward investing in the commodity space.
Commodity ETF
Assets Under Management
Source: Fool.com