• Product Modification Summary: Revisions to Silver Options Strike Price Increments- Effective Sunday, June 2, 2013

      • To
      • Clearing Member Firms
      • From
      • CME Clearing
      • #
      • 13-236
      • Notice Date
      • 21 May 2013
      • Effective Date
      • 02 June 2013
    • Strike Interval Increase
      Effective Sunday, June 2, 2013, for trade date Monday, June 3, 2013, the Commodity Exchange Inc. (COMEX or EXCHANGE) will increase the strike price interval forSilver Options (Clearing Code SI/Globex Code SI).  Specifically, the strike interval will increase from the current 0.05 to 0.25 on CME Globex, the COMEX Trading Floor and for submission for clearing on CME ClearPort. In the event that Silver prices fall to below $10/troy ounce, COMEX will list $0.10 strike price increments in addition to the $0.25 increments.
      Specifically, the listing convention will expand from six to twenty strike prices above and below the at-the-money option for the COMEX trading floor and CME Globex. For options cleared through CME ClearPort, strikes prices can be added on an as needed basis in addition to the regular strike price listing schedule.

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