• Simultaneous Buy and Sell Orders for Different Beneficial Owners; Trading Against Customers’ Orders Prohibited

      • To
      • Members, Member Firms and Market Users
      • From
      • Market Regulation Department
      • #
      • CME Group RA2113-5
      • Notice Date
      • 30 August 2021
      • Effective Date
      • 01 October 2021

    • Effective on trade date Friday, October 1, 2021, and pending all relevant CFTC regulatory review periods, this Market Regulation Advisory Notice will supersede CME Group Market Regulation Advisory Notice RA1617-5 from December 13, 2016.  

      Click HERE to view full advisory.

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.