# 2025-15836: Cboe Launches Detailed Trading Activity Timestamp Report

2025-15836, Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Adopt a New Market Data Report, is a Federal Register notice from Securities and Exchange Commission published 2025-08-20, effective 2025-08-05; PRIA reads it as touching household money (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2025-15836
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-15836
- Title: Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Adopt a New Market Data Report
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 90 FR 40681
- Published: 2025-08-20
- Effective: 2025-08-05
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

Cboe Launches Detailed Trading Activity Timestamp Report

## Summary

Cboe Exchange is rolling out a new market data report that shows exact times for orders, quotes, and cancellations. This helps traders and market watchers get clearer, faster info about trading activity. The change is effective immediately and aims to boost transparency without extra costs for users.

## Effects PRIA read

- New All Cancels Report Offered: benefit, medium. Cboe is adopting a new optional All Cancels Report that shows all cancel-related messages originated by a subscribing Trading Permit Holder. The report will be historical (generally available on a T+1 basis) and the Exchange plans to make it available to all Trading Permit Holders who choose to sub…
- Report Contains Specific Cancel Data Fields: benefit, low. The All Cancels Report will include data elements such as Message Type, Date, Recipient Firm ID, Session Sub ID, Client Identifier, Cboe Order ID, Symbol, Exchange System Timestamps (including NIC and matching engine timestamps), Matching Unit number, Queued flag, and Port Type. The report will not…
- Report Is Firm-Only and Not Real-Time: benefit, low. The All Cancels Report will contain only the subscribing firm’s own data and will not include other firms’ data or real-time market data; it will provide historical data from the prior trading day (generally T+1).
- Fees Will Be Proposed Separately: cost, low. Cboe stated that corresponding fees will be assessed based on the number of reports a Trading Permit Holder selects and that the Exchange will submit a separate filing to propose fees for the All Cancels Report. The Exchange noted the report is voluntary and firms may choose to subscribe or not.

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## Sources
- [2025-15836 on federalregister.gov](https://www.federalregister.gov/documents/2025/08/20/2025-15836/self-regulatory-organizations-cboe-exchange-inc-notice-of-filing-and-immediate-effectiveness-of-a)
- [2025-15836 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-08-20/pdf/2025-15836.pdf)

## Related
- [Previous: 2025-15835, Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and I…](https://policyrisk.com/federal-register/2025-15835)
- [Next: 2025-15837, Self-Regulatory Organizations; National Securities Clearing Corporation; Notice…](https://policyrisk.com/federal-register/2025-15837)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2025-15836 (as of 2026-06-08).