This report supports the long/short approach, since long-only commodity indexes have inherent design flaws. Historically, commodities have been good ways to diversify an investor's portfolio, and several long/short approaches are reviewed in the report.
CME Group is the world's leading and most diverse derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.