• REVISED Product Modification Summary: Amendments to NYMEX Rules to Eliminate Contrary Exercise Instructions and Amend At-the-Money Instructions for Certain NYMEX Energy Option Contracts - Effective January 1, 2018

      • To
      • Clearing Member Firms; Back Office Managers
      • From
      • CME Clearing
      • #
      • 17-301
      • Notice Date
      • 09 August 2017
      • Effective Date
      • 01 January 2018

    • Updated the Contrary Instruction time for NYMEX Metals Options.

      For the full text of this advisory, please click here. 


       

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