# 2026-19513: Cboe Pauses Complex Order Chaos Review

2026-19513, Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Designation of a Longer Period for Commission Action on Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change To Accommodate Stop-Limit Complex Orders and To Establish Stop Complex Order Auctions as a New Type of Auction Mechanism, is a Federal Register notice from Securities and Exchange Commission published 2026-09-24, effective 2026-11-21 (as of 2026-10-01).

- Canonical: https://policyrisk.com/federal-register/2026-19513
- As of: 2026-10-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-19513
- Title: Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Designation of a Longer Period for Commission Action on Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change To Accommodate Stop-Limit Complex Orders and To Establish Stop Complex Order Auctions as a New Type of Auction Mechanism
- Type: Notice
- Agencies: Securities and Exchange Commission
- Citation: 91 FR 60661
- Published: 2026-09-24
- Effective: 2026-11-21
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-10-01

## In one line

Cboe Pauses Complex Order Chaos Review

## Summary

Cboe Exchange wants to add new stop-limit complex orders and a special auction to handle them. The SEC is taking extra time to decide if this change is a good idea, so traders and investors should stay tuned. No money changes yet, but this could shake up how some trades happen in the future.

## Effects PRIA read

No economic effects identified for this document.

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## Sources
- [2026-19513 on federalregister.gov](https://www.federalregister.gov/documents/2026/09/24/2026-19513/self-regulatory-organizations-cboe-exchange-inc-notice-of-designation-of-a-longer-period-for)
- [2026-19513 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-09-24/pdf/2026-19513.pdf)

## Related
- [Previous: 2026-19512, Self-Regulatory Organizations; Coinbase Derivatives, LLC; Notice of Filing of a…](https://policyrisk.com/federal-register/2026-19512)
- [Next: 2026-19514, Self-Regulatory Organizations; Nasdaq ISE, LLC; Notice of Designation of a Long…](https://policyrisk.com/federal-register/2026-19514)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-19513 (as of 2026-10-01).