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Industry Update on the Consolidated Audit Trail (9/7/17)

With the approval of the Consolidated Audit Trail (CAT) National Market System (NMS) Plan in 2016, and the selection of Thesys CAT LLC as the Plan Processor in early 2017, the implementation timelines for establishing the CAT are in effect. The CAT NMS Plan requires exchanges, national securities associations, alternative trading systems, and broker-dealers to submit information on order and trade events for listed and OTC equities and listed options to the CAT on a daily basis, in addition to customer data.

On Thursday, September 7, 2017, at 4:15PM EST, the CAT NMS, LLC Operating Committee will be hosting a Consolidated Audit Trail webcast to discuss current progress on the CAT. Representatives from the CAT NMS, LLC Operating Committee, as well as the CAT Plan Processor, Thesys CAT, will discuss upcoming milestones, requirements, and the timelines and process for development and delivery of the industry technical specifications for compliance with the CAT reporting requirements. The webcast will be recorded and playback will be available on the CAT NMS website (


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