JJG is a sub-index of the Dow Jones-UBS Commodity Index Total Return. The ETN has a 0.72 correlation with the commodity index. JJG is composed of only three commodities: soybeans, corn and wheat accounting for 37.0%, 35.5% and 27.5%, respectively, as of Aug. 31. As the ETN is more concentrated, it is more risky than the others. Upside in the three commodities helped JJG to outperform the others over the past three months, offering attractive returns of 29.9%.