• Performance Bond Requirement Changes - NYMEX Margin Erosion Changes - Effective Friday, March 19, 2010

      • To
      • Clearing Member Firms; Back Office Managers
      • From
      • CME Clearing
      • #
      • 10-114
      • Notice Date
      • 18 March 2010
      • Effective Date
      • 19 March 2010
       To receive advanced notification of Performance Bond (margin) changes, through our free automated mailing list, go to: http://www.cmegroup.com/newsletter/web2lead/web2sf-old.html and subscribe to the Performance Bond Rates Advisory Notices listserver.
      For the products listed below, the current month margin rates will now erode following a square root of time method as shown below.
      New Method
      Price Scan * SQRT (Calendar Days Remaining/Total Calendar Days in the Month)
      The rates are effective at the close of business on Friday, March 19, 2010.