S&P GSCI™ Commodity Index

S&P GSCI™ Commodity Index
http://www2.goldmansachs.com/client_services/trading_capital_markets/commodities/commodities_index/

Contents

Economic Weighting
A Broad Spectrum of Commodities
Liquidity Constraints and Return Calculations
S&P GSCI™ Components, Weights and Index Levels
The S&P GSCI™ Total Return, Excess Return and Spot Indices
Passive Portfolios
The Roll Period
Investing in the S&P GSCI™
CME S&P GSCI™ WebPage  Futures available GD 250X
Standard and Poor's S&P GSCI™ Website