Latest Updates | CATNMSPLAN

06/02/2026
Event
Reference Database Industry Webinar (June 2, 2026)
05/28/2026
Reference Material
Annual Clock Synchronization Certification Form
05/28/2026
Reference Material
Self-Reporting Deviations Of Clock Synchronization Standards Form
05/21/2026
Event
Monthly CAT Update Newsletter: May 2026
05/13/2026
Reference Material
Industry Member Schema v4.2.0
05/11/2026
Reference Material
May 11, 2026 – SEC Approved CAT NMS Plan as of 5/11/2026
05/11/2026
Technical Specifications
CAT Technical Specifications for Billing Trade Details v1.3 (Redlined)
05/11/2026
Technical Specifications
Order Routing Field Mapping between CAT and Exchanges v2.18
05/08/2026
Reference Material
Reference Data File Schema
05/08/2026
Reference Material
CAT Billing Scenarios v1.1.4 (Clean)
05/08/2026
Reference Material
Billing Trade Details Schema - Off-Exchange
05/08/2026
Basic page
Reference Database Known Issues List
05/08/2026
FAQ| M. Firm Designated ID
M12. Where can I find additional information regarding the Firm Designated Identifier (FDID)?
05/08/2026
FAQ| V. CAT Billing
V6. How many types of CAT fees are there?
05/08/2026
FAQ| V. CAT Billing
V28. Do Prospective CAT Fees sunset automatically?

1
2
3
4
5
6
7
8
9
…
Next ›
Last »

Need Help?

Reach out to the FINRA CAT Helpdesk by phone at 888-696-3348 or email at [email protected].