OATS Technical Specifications

The OATS Reporting Technical Specifications document covers the requirements and procedures for clock synchronization; system access requirements for supplying OATS files to FINRA; order reporting scenarios that describe, from a business perspective, responsibilities for reporting to OATS; details regarding the required layout of OATS files; procedures for providing corrections to OATS data and for receiving feedback from FINRA; and the procedures for registration, self-administration, and testing and certification. It also contains a data dictionary that describes all of the data elements in OATS files; a list of report formats, including field names, data types, and lists of permissible values; examples of order reports; and a glossary.


The OATS Reporting Technical Specifications is not intended to provide information about how to develop an electronic system that reports order information; it is only intended to describe what such a system must deliver to FINRA.


FINRA released a new edition of the OATS Reporting Technical Specifications dated September 12, 2013.This version of the OATS Reporting Technical Specifications contains changes specific to exchange route matching requirements for orders routed to the Direct Edge EDGA and EDGX exchanges. Additionally, this version of the document contains a new scenario to illustrate the scenario where a member firm receives an order of two components, options and equity, and manually routes the equity component to another member firm for execution.


FINRA will begin publishing EDGA and EDGX Exchange Route Matching statistics to the OATS Production environment on December 2, 2013. These statistics will be available in the CT environment on November 11, 2013.


OATS Reporting Technical Specifications (09/12/13 edition) (PDF 1.41 MB)


Additionally, FINRA has published an addendum to the September 12, 2013 version of the OATS Reporting Technical Specifications.  The addendum contains a new Rejection Code of 2146 which prevents the population of both the Originating Department ID and Receiving Department ID on the same New Order Type Report. View the addendum below for more information.


Addendum (10/17/2013 - 100 KB)

View our archive of past specifications.

If you are having problems accessing these files, please contact FINRA Business and Technology Support Services at 1-800-321-6273.