Clearing House Advisory Notices
To Clearing Member Firms; Chief Financial Officers; Back Office Managers
From CME Clearing
Subject Early Fixing Price Calculation for November 2008 End-of-Month Equity Options – Effective Friday, November 28, 2008
Notice Date 2008-11-20
Notice Number 08-355
Effective Date 2008-11-28
Due to the Thanksgiving 2008 holiday schedule, the End-of-Month S&P 500 options (symbol: EV) and End-of-Month E-mini S&P 500 options (symbol: EW) will close trading at 12:00p.m. (Central Time) on Friday, November 28, 2008.

As a result, the fixing price calculation for November 2008 contracts will take place from 11:59:30a.m. - 12:00:00p.m. instead of the regular 2:59:30p.m. - 3:00:00p.m. time.  The fixing price for the End- of-Month options will be disseminated under the ESF symbol at 12:00:00p.m.
 View the complete CME Group Regular Trading Hours (RTH) and CME Globex holiday schedules at http://www.cmegroup.com/tools-information/holiday-calendar/index.html.