# 2026-19398: NYSE Arca Fixes Trade Errors for 24/7 Trading Era

2026-19398, Self-Regulatory Organizations; NYSE Arca, Inc.; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Rule 7.10-E Clearly Erroneous Executions, is a Federal Register notice from Securities and Exchange Commission published 2026-09-23, effective 2026-12-06; PRIA reads it as touching household money (as of 2026-09-30).

- Canonical: https://policyrisk.com/federal-register/2026-19398
- As of: 2026-09-30
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-19398
- Title: Self-Regulatory Organizations; NYSE Arca, Inc.; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Rule 7.10-E Clearly Erroneous Executions
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 60424
- Published: 2026-09-23
- Effective: 2026-12-06
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-09-30

## In one line

NYSE Arca Fixes Trade Errors for 24/7 Trading Era

## Summary

NYSE Arca is updating its rules about fixing big trading mistakes to match new 23-hour, 5-day trading hours. This change helps keep trades fair and clear during extended hours, affecting traders using the Exchange. The new rule kicks in right away with no extra costs, making sure errors get corrected smoothly.

## Effects PRIA read

- LULD protections extended to overnight hours: mixed, medium. You (as a market participant) should know that the Exchange is changing Rule 7.10-E so that when Price Bands from the Limit Up-Limit Down (LULD) Plan are available and correct during LULD Protected Hours (now defined to include Core Trading Session and Overnight Protected Hours), a transaction exec…
- Overnight Price Bands set at ±20% initially: benefit, medium. The LULD Operating Committee approved Overnight Price Bands that initially are temporary static bands equal to 20% above and 20% below two reference points, and those Overnight Price Bands apply during Overnight Protected Hours from 9:00 p.m. ET through 4:00 a.m. ET. The Operating Committee will ev…
- Rights/warrants remain eligible for error review overnight: benefit, low. Transactions in NMS stocks that are not subject to the LULD Plan (for example, rights and warrants) executed during Overnight Protected Hours will remain eligible for clearly erroneous review, and such transactions will be subject to the same Numerical Guidelines that apply to the Early and Late Tr…

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## Sources
- [2026-19398 on federalregister.gov](https://www.federalregister.gov/documents/2026/09/23/2026-19398/self-regulatory-organizations-nyse-arca-inc-notice-of-filing-and-immediate-effectiveness-of-proposed)
- [2026-19398 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-09-23/pdf/2026-19398.pdf)

## Related
- [Previous: 2026-19397, Self-Regulatory Organizations; Cboe EDGA Exchange, Inc.; Notice of Filing and I…](https://policyrisk.com/federal-register/2026-19397)
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- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-19398 (as of 2026-09-30).