Latest Updates | CATNMSPLAN

03/19/2026
Event
Monthly CAT Update (March 19, 2026)
02/27/2026
Technical Specifications
Industry Member Reporting Scenarios v4.17
02/27/2026
FAQ| B. Reporting Requirements
B45. Are electronic responses to a Request for Quote (RFQ) or other forms of solicitation responses reportable to CAT?
02/27/2026
Technical Specifications
Industry Member Reporting Scenarios v4.17 (Redlined)
02/24/2026
Reference Material
February 24, 2026 – CAT LLC Comment Letter – Funding Proposal
02/24/2026
Reference Material
February 24, 2026 – CAT LLC Comment Letter – 2025 Cost Savings Amendment
02/24/2026
Technical Specifications
CAT Reporting Technical Specifications for Plan Participants v4.2.0-r2
02/19/2026
Event
Monthly CAT Update (February 19, 2026)
02/13/2026
Technical Specifications
Order Routing Field Mapping between CAT and Exchanges v2.17
02/13/2026
CAT Alert
CAT Alert 2020-03 - Options Market Maker Quote Sent Time
02/13/2026
Reference Material
Self-Reporting Deviations Of Clock Synchronization Standards Form
02/13/2026
CAT Alert
CAT Alert 2020-02 - Standards for Self Reporting Deviations of Clock Synchronization Standards to FINRA CAT
02/13/2026
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r14 (Redlined)
02/13/2026
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r14 (Clean)
02/10/2026
Event
CAT Technical Specifications Working Group - February 10, 2026

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