The SEC approved a rule change to require alternative trading systems (ATS) to (i) report to FINRA weekly volume information and number of securities transactions within the ATS by security and (ii) acquire and use a single, unique market participant identifier (MPID) when reporting information to FINRA. The ATS reporting requirement will be implemented beginning May 12, 2014. The first ATS reports for the week of May 12 through May 16, 2014, will then be due by May 28, 2014. Each ATS must begin reporting order and trade information to FINRA using a unique MPID by November 10, 2014. This Notice provides more information for firms regarding each of these new requirements.
Questions concerning this Notice should be directed to:
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