• Half-Tick Threshold Available for Option Spreads on Standard and Poor’s 500 Stock Price Index Futures Contracts (Open Outcry and CME ClearPort)

      • To
      • Members, Member Firms and Market Users
      • From
      • Research and Product Development
      • #
      • SER-7926
      • Notice Date
      • 31 May 2017
      • Effective Date
      • 25 June 2017
    • Effective Sunday, June 25, 2017 for trade date Monday, June 26, 2017, Chicago Mercantile Exchange Inc. (“CME” or “Exchange”) will modify the threshold below which spreads consisting of options on Standard and Poor’s 500 Stock Price Index Futures contracts (the “Contracts”) may be priced in increments of 0.05 increment (0.05 being the reduced tick or “half tick” of the standard 0.10 tick increment).

      Please refer questions regarding this notice to:

      Tom Boggs                  thomas.boggs@cmegroup.com             312.930.3038

      John Wiesner              john.wiesner@cmegroup.com                312.930.3066

      Lucy Wang                  lucy.wang@cmegroup.com                    312.648.5748

      Please click here for PDF of SER-7926.