Regulatory Notice 16-24

FINRA and ISG Modify Certain Electronic Blue Sheet Data Elements

Effective Date: December 30, 2016

Executive Summary

FINRA and the other U.S. members of the Intermarket Surveillance Group (ISG members) have modified certain equity and option data elements for Electronic Blue Sheets (EBS), which will become effective on December 30, 2016. FINRA and the other ISG members are modifying certain equity data elements to be consistent with NYSE Regulation Information Memorandum Number 16-2 and NYSE Arca Equities Regulatory Bulletin Number 16-39.

FINRA and the other ISG members are also updating certain data elements in response to the Securities and Exchange Commission’s (SEC) approval, dated June 17, 2016, of the Investors Exchange, LLC (IEX).

Attachment A to this Notice sets forth the EBS record layout, which shows the modifications noted below and changes from the version previously published in Regulatory Notice 15-44.

Questions concerning the EBS enhancements should be directed to EBS FAQ.