Market Regulation - CME Group
Market Regulation Advisory Notices (MRANs)
Position Limits
Regulatory Outreach

Market Regulation conducts daily trade, position, account and user surveillance in our markets to identify potential trade practice abuses and other market concerns. In addition, it:

  • Conducts thorough and detailed investigations
  • Monitors and reviews the accuracy of audit trail data
  • Provides information and guidance to market participants on our rules via the issuance of Market Regulation Advisory Notices (MRANs) and other communications

For more information on our investigative and disciplinary processes, please refer to Chapter 4 of the Rulebook.