Market Data Advisory Notices
To | Market Data Distributors
From | Market Data Operations
Subject | REMINDER: GLOBEX. Equity Options Enhancements - Effective November 8, 200
Notice Date | 2004-11-04
Notice Number | Q2004-133
Effective Date |
Effective November 8, 2004, (Sunday, November 7 on GLOBEX), the tick increments for E-mini S&P equity options will change from a standard tick size of 0.25 to a variable tick size. Please note that the S&P 500®, S&P/Barra GrowthTM and S&P/Barra ValueTM already use a variable tick size, as detailed in the table on the following page. The variability thresholds for the latter three products will also change on the same date. MDN Channel 4 (RLC Message Format) Users For RLC message users (Channel 4 on the MDN), the attached table is referred to as a “Variable Tick Table”, or VTT. For more information on the Variable Tick Table, please see the “Calculating Tick Size Based on MO Message” component of the MDAPI 2.x Software Development Kit, located at http://www.cme.com/trading/get/dev/mdapikit4069.html Please view the attached for more information.