S&P 500® Index - The Index is an unmanaged index of 500 companies used to measure large-cap U.S. stock market performance.
Bloomberg Commodity Index - The Index is made up of exchange-traded futures on physical commodities and represents 20 commodities, which are weighted to account for economic significance and market liquidity.
S&P GSCI® - The Index is recognized as a leading measure of general price movements and inflation in the world economy and is designed to be investable by including the most liquid commodity futures, and provides diversification with low correlations to other asset classes.