2026-19620NoticeWallet

SEC Extends Stock Trade Data Collection for Market Transparency

Published Date: 9/25/2026

Notice

Summary

The SEC is asking to keep collecting info under Rule 613, which helps track stock trades through a big, shared system called the Consolidated Audit Trail (CAT). This affects stock exchanges and associations who must keep sharing trade data to keep markets fair and transparent. No new costs or deadlines are added, just an extension to keep this important system running smoothly.

Analyzed Economic Effects

4 provisions identified: 2 benefits, 2 costs, 0 mixed.

Continued CAT reporting requirement

The SEC has requested OMB approval to extend the existing information-collection under Rule 613 that requires national securities exchanges, one national securities association, and broker-dealers to submit trade and order data to the Consolidated Audit Trail (CAT). The notice says 27 Participants (26 national securities exchanges and one national securities association) plus 1,172 broker-dealers — 1,199 respondents in total — remain subject to these collection requirements.

Estimated annual burden and cost

The Commission estimates the Rule 613/CAT information collection requires about 4,122,488 hours per year across respondents and an aggregate annual compliance cost of approximately $384,727,051. These totals are presented as the projected annual burden tied to the extended information collection.

Improves regulator market surveillance

The CAT NMS Plan is described as improving data quality in four areas — completeness, accuracy, accessibility, and timeliness — which the Commission says substantially improves regulators' ability to analyze and reconstruct market events and perform market surveillance, examinations, investigations, and enforcement activities.

Removal of certain personal data and shorter retention

The notice states the Commission has issued exemptive relief and approved amendments that have enabled SROs to remove certain customer and account-level personally identifying information (for example, social security numbers/ITINs, dates of birth, account numbers, names, addresses, years of birth, and employer identification numbers) and to shorten retention periods, including deleting CAT data older than three years, options market maker quotes older than six months, interim operational data older than 15 days, and Options SIP data older than six months.

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Key Dates

Published Date
9/25/2026

Department and Agencies

Department
Independent Agency
Agency
Securities and Exchange Commission
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