The GSCI Commodity Index ((GSG)) consists primarily of Energy (71%), but also contains Agriculture (14%), Industrial Metals (7%), Livestock (4%), and Precious Metals (4%).
The Dow Jones-AIG Energy Total Return Index ((JJE)) consists of Natural Gas, Crude Oil, Heating Oil, and Unleaded Gas.
The DJ-AIG Grains Total Return Index ((JJG)) consists of Corn, Wheat, and Soybeans.
The DJ- AIG Industrial Metals Total return Index ((JJM)) includes Aluminum, Copper, Nickel, and Zinc.
The DJ-AIG Precious Metals Index ((JJP)) includes Gold and Silver.
The DJ-AIG Softs Index ((JJS)) includes Coffee, Cotton, and Sugar.