Starting Sunday, January 31, 2010, CME Group will implement a number of internal improvements to the CME Equity futures and future spreads markets. These changes are expected to reduce iLink order entry round trip times approximately 20%. There will be no changes to functionality or messaging format with these performance improvements. Good 'Till Cancelled and Good 'Till Date (GTC/GTD) orders will not be impacted.
Contact Market Data Operations (MDO) at mdo@cmegroup.com, if you have any questions concerning this notice.