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UPCOMING EVENT
Jun
26
Monthly CAT Update (June 26, 2025)
04:15PM EDT
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01/02/2025
Technical Specifications
CAT Reporting Technical Specifications for Plan Participants v4.1.0-r23
01/02/2025
Reference Material
SEC Approved CAT NMS Plan as of 12/12/2024
01/02/2025
Announcement
2025 Annual Clock Synchronization Certification
12/19/2024
Event
Monthly CAT Update (December 19, 2024)
Monthly CAT Update (December 19, 2024) - Presentation
Audio file
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A. General
B. Reporting Requirements
P. Feedback and Error Correction
Q. Customer and Account Information
12/18/2024
FAQ
V22.
Where can I obtain a copy of CAT LLC’s W-9?
Topics
V. CAT Billing
12/17/2024
Technical Specifications
Customer & Account Technical Specifications for Industry Members v2.2.0 r1 (Clean)
12/16/2024
Reference Material
SEC Order Approving Amendments to the CAT NMS Plan to Implement Cost Savings Measures
11/22/2024
Reference Material
CAT Fee Alert 2024-3
11/21/2024
Event
Monthly CAT Update (November 21, 2024)
Monthly CAT Update (November 21, 2024) - Presentation
Audio file
Topics
A. General
B. Reporting Requirements
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Q. Customer and Account Information
11/20/2024
Reference Material
CAT LLC- 2025 Financial and Operating Budget
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