iShares S&P GSCI Commodity-Indexed Trust (GSG) is an exchange-traded fund in the Commodities Broad Basket category. It has $839.28M in assets, an expense ratio of 0.75% and a 0.00% dividend yield. The Trust holds long positions in index futures that have settlement values at expiration based on the level of the S&P GSCI-ER at that time, and earning interest on its non-cash Collateral Assets used to satisfy applicable margin requirements on those index futures positions. The index reflects the return of the S&P GSCI-ER, together with the return on specified U.S. Treasury securities that are deemed to have been held to collateralize a hypothetical long position in the futures contracts com…