• Block Trades

      • To
      • Members, Member Firms and Market Users
      • From
      • Market Regulation Department
      • #
      • CME Group RA2303-5
      • Notice Date
      • 13 July 2023
      • Effective Date
      • 31 July 2023

    • Effective on trade date Monday, July 31, 2023, and pending all relevant CFTC regulatory review periods, this Market Regulation Advisory Notice will supersede CME Group Market Regulation Advisory Notice RA2204-5 from July 25, 2022.  It is being issued to amend Section 12  to incorporate guidance regarding blocks that are executed using the Trade Marker at Close (“TMAC”) transaction type as described in Special Executive Report 9219.

      Click HERE to view the 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.

© 2025 CME Group Inc. All rights reserved.