Clearing  House Advisory Notices
To All Firm Personnel; Service Bureau Representatives; Independent Software Vendors
From Clearing House Department
Subject Nasdaq & E-mini Nasdaq Strike Rule & Minimum Tick Size Changes
Notice Date 2005-06-13
Notice Number 05-115
Effective Date  

The following changes were recently approved by the CME Board of Directors:

• Effective Sunday, July 17, 2005 for July 18th trade date, the NASDAQ 100 and E-mini NASDAQ 100 options will follow a variable tick table.  Premiums greater than $3.00 will tick in 0.25 increments, while premiums less than or equal to $3.00 will tick in 0.05 increments.
• The NASDAQ 100 strike listing rules will be based on a 15% reference index with 25 index point intervals.  5 index point intervals will be added in the lead month.
• The E-Mini NASDAQ 100 strike listing rules will retain the 100 index point range but with an increased interval from 10 to 25 index points.  5 point intervals will be added in the lead month.

For the full text of this advisory...