Performance  Bond (Margin) Advisory Notices
To Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From Clearing House Department
Subject New OneChicago Select Index J Effective 1/25/06
Notice Date 2007-01-24
Notice Number 07-20
Effective Date 2007-01-25

Chicago Mercantile Exchange Inc., Performance Bond staff approved the performance bond requirements for the new OneChicago Select Index J listed on the attached advisory. These margins will become effective with the launch of this product on Thursday, January 25, 2007.

For the full text of this advisory . . .