• Amendments to Brent Calendar Spread Option Contracts

      • To
      • Members, Member Firms and Market Users
      • From
      • Research and Product Development
      • #
      • SER-8160R
      • Notice Date
      • 08 June 2018
      • Effective Date
      • 21 June 2018

    • (This SER 8160R supersedes SER 8160 dated June 7, 2018 and is being issued as a reminder. No other amendments are being made to the original SER.)

      Effective Thursday, June 21, 2018 for trade date Friday, June 22, 2018, and pending all relevant CFTC regulatory review periods, New York Mercantile Exchange, Inc. (“NYMEX” or “Exchange”) will amend the Brent Calendar Spread Option contracts (the “Contracts”).  The amendments will be effective with the October 2018 contract month and beyond. There is no open interest in the affected contract months.

      Please click here for PDF of SER-8160R.

      Amendments to Brent Calendar Spread Option Contracts

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

© 2026 CME Group Inc. All rights reserved.