Change in Minimum Increment for Eurodollar Options

Clearing House Advisory Notices

To	All Firm Personnel, Service Bureau Representatives, and Independent Software Vendors
From	Clearing House Department
Subject	Change in Minimum Increment for Eurodollar Options - Effective Sunday, November 14, 2004
Notice Date	2004-10-21
Notice Number	04-193
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. Attached is a table illustrating this change, with the new rules in bold-faced type. For the full text of this advisory...