Implementation of New NYMEX/COMEX Rule Regarding Special Price Fluctuation Limits for Certain NYMEX and COMEX Metals Futures and Options Contracts

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.