# 2026-22752: IEX Plans How Trading Restarts After Market-Wide Panic Button

2026-22752, Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Rule 11.271 Regarding the Resumption of Trading Following a Level 3 Market-Wide Circuit Breaker Halt, is a Federal Register notice from Securities and Exchange Commission published 2026-11-09, effective 2026-11-02; PRIA reads it as touching household money (as of 2026-11-11).

- Canonical: https://policyrisk.com/federal-register/2026-22752
- As of: 2026-11-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-22752
- Title: Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend Rule 11.271 Regarding the Resumption of Trading Following a Level 3 Market-Wide Circuit Breaker Halt
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 70912
- Published: 2026-11-09
- Effective: 2026-11-02
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-11-11

## In one line

IEX Plans How Trading Restarts After Market-Wide Panic Button

## Summary

Investors Exchange (IEX) is updating its rules on how trading restarts after a big market-wide pause called a Level 3 circuit breaker. This change gets ready for other exchanges trading nearly 24/5, making sure IEX’s system stays smooth and fair. Traders and investors will see quicker, clearer trading resumptions with no extra costs or delays starting right away.

## Effects PRIA read

- Keep 4:00 a.m. restart after Level 3 halt: benefit, low. If a Level 3 market-wide circuit breaker (a 20% S&P 500 decline) triggers a market halt, trading on IEX will remain halted until 4:00 a.m. Eastern Time or later on the following trading day. This rule explicitly preserves the current resumption time even after other exchanges expand to 23 hours per…
- IEX keeps 8:00 a.m.–5:00 p.m. sessions: cost, low. When other exchanges begin expanded 23/5 trading on December 6, 2026, IEX will not change its trading sessions and will continue to operate Pre-Market from 8:00 a.m. to 9:30 a.m., Regular Market from 9:30 a.m. to 4:00 p.m., and Post-Market from 4:00 p.m. to 5:00 p.m. You will not be able to trade o…

## Related documents

- [2026-21037](https://policyrisk.com/federal-register/2026-21037): Investment Company Cross Trading, 2026-10-15
- [2026-20466](https://policyrisk.com/federal-register/2026-20466): Adviser and Regulated Fund Custody Rules; Crypto Custody Rules, 2026-10-06
- [2026-19260](https://policyrisk.com/federal-register/2026-19260): Rescission of Rule 14a-8's Federal Regulation of Shareholder Proposals and Amendments to Rule 14a-4, 2026-09-21
- [2026-18424](https://policyrisk.com/federal-register/2026-18424): Political Contributions by Certain Investment Advisers, 2026-09-10
- [2026-18190](https://policyrisk.com/federal-register/2026-18190): Transfer Agent Rules, 2026-09-04
- [2026-17183](https://policyrisk.com/federal-register/2026-17183): Regulation Crypto Assets, 2026-08-21

## Sources
- [2026-22752 on federalregister.gov](https://www.federalregister.gov/documents/2026/11/09/2026-22752/self-regulatory-organizations-investors-exchange-llc-notice-of-filing-and-immediate-effectiveness-of)
- [2026-22752 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-11-09/pdf/2026-22752.pdf)

## Related
- [Previous: 2026-22751, Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immedi…](https://policyrisk.com/federal-register/2026-22751)
- [Next: 2026-22753, Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Imm…](https://policyrisk.com/federal-register/2026-22753)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-22752 (as of 2026-11-11).