CBOT Stock Index futures rules pertaining to Price Limits and Trading Halts have been amended to clarify Stock Index futures trading operational procedures. The rule amendments clarify movement from the 10 percent Price Limit level to the 20 percent Price Limit level and movement from the 20 percent Price Limit level to the 30 percent Price Limit level.
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.