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A. General

This topic provides general information related to the Consolidated Audit Trail and the CAT NMS Plan.

UPCOMING EVENT

Feb

19

Monthly CAT Update (February 19, 2026)

04:15PM EST

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All Topics

A. General

B. Reporting Requirements

C. Definitions

D. Order Receipt

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F. Representative Orders

G. Manual Orders

H. ATS

I. Foreign Securities

J. OTC Equity Securities

K. Options

L. Equity Floor Brokers

M. Firm Designated ID

N. Third Party Reporting

O. Technical Requirements

P. Feedback and Error Correction

Q. Customer and Account Information

R. Clock Synchronization

S. Security

T. Production Readiness Testing

U. Allocations

V. CAT Billing

W. Fee Dispute Resolution

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07/15/2025
Reference Material
Self-Reporting Deviations Of Clock Synchronization Standards Form

Topics

A. General
06/26/2025
Event
Monthly CAT Update (June 26, 2025)
- Monthly CAT Update (June 26, 2025) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

Q. Customer and Account Information

V. CAT Billing
05/19/2025
Reference Material
CAT LLC- Revised 2025 Financial and Operating Budget

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A. General
05/15/2025
Event
Monthly CAT Update (May 15, 2025)
- Monthly CAT Update (May 15, 2025) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

Q. Customer and Account Information

V. CAT Billing
04/17/2025
Event
Monthly CAT Update (April 17, 2025)
- Monthly CAT Update (April 17, 2025) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

Q. Customer and Account Information

V. CAT Billing
04/01/2025
Event
Monthly CAT Update (March 20, 2025)
- Monthly CAT Update (March 20, 2025) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

Q. Customer and Account Information

V. CAT Billing
02/20/2025
Event
Monthly CAT Update (February 20, 2025)
- Monthly CAT Update (February 20, 2025) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

Q. Customer and Account Information

V. CAT Billing
01/16/2025
Event
Monthly CAT Update (January 16, 2025)
- Monthly CAT Update (January 16, 2025) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

Q. Customer and Account Information

V. CAT Billing
12/19/2024
Event
Monthly CAT Update (December 19, 2024)
- Monthly CAT Update (December 19, 2024) - Presentation
Audio file

Topics

A. General

B. Reporting Requirements

P. Feedback and Error Correction

Q. Customer and Account Information
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

P. Feedback and Error Correction

Q. Customer and Account Information

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