Amendments to FINRA Rule 4554 related to Alternative Trading Systems

FINRA has recently proposed certain amendments to Rule 4554 (Alternative Trading Systems— Recording and Reporting Requirements of Order and Execution Information for NMS Stocks) to require ATSs to provide additional order sequence information on reports submitted to the Order Audit Trail System (‘‘OATS’’).

In May 2016, the SEC approved Rule 4554 to further enhance FINRA’s ability to reconstruct an ATS’s order book and better perform its order-based surveillance, which includes surveillance for layering, quote spoofing and mid-point Read More…