• Product Modification Summary: Expansion of Listing Schedule for the Existing Henry Hub Natural Gas Financial Calendar Spread Option Contracts

      • To
      • Clearing Member Firms; Back Office Managers
      • From
      • CME Clearing
      • #
      • 17-137
      • Notice Date
      • 13 April 2017
      • Effective Date
      • 24 April 2017
    • Effective Sunday, April 23, 2017 for trade date Monday, April 24, 2017, and pending all relevant CFTC regulatory review periods, please be advised that the New York Mercantile Exchange, Inc. (NYMEX or EXCHANGE) will expand the listing of contract months for the products listed below on CME Globex and available for submission for clearing on CME ClearPort. 

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