Market  Data Advisory Notices
To Market Data Distributors
From Market Data Operations
Subject Change in Minimum Increment for Eurodollar Options - Effective Sunday, November 14, 2004
Notice Date 2004-10-21
Notice Number Q2004-128
Effective Date  

Beginning Sunday, November 14, 2004, all Eurodollar Serial, Quarterly, Mid-Curve and 5-year Bundle options will be eligible to trade in increments of .005 (1/2-tick), under new rules.  However, the nearest expiring regular quarterly options on CME Eurodollar futures contracts will still be eligible to trade in increments of .0025 ($6.25) if the underlying quarterly future is eligible to trade in quarter-ticks.  The attached table illustrates this change, with the new rules in bold-faced type.

Thank you