Skip to search field Skip to main content

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.17 to Adopt a Wide Market Protection Mechanism Designed to Reduce the Risk of Orders Executing at Extreme or Adverse Prices When the National Best Bid and Offer (“N...

National Securities Exchanges, Cboe EDGX Exchange, Inc. (CboeEDGX)

Public Comments

Submit a Comment on SR-CboeEDGX-2026-023

Last Reviewed or Updated: April 24, 2026

Resources

Notice Rule: SEC Issued Version (pdf 227.32 KB)

Exhibit 5

Details

Public Comments Due

May 15, 2026

File Number

SR-CboeEDGX-2026-023

Rule Type

Notice

Release Number

34-105280

SEC Issue Date

April 21, 2026

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.17 to Adopt a Wide Market Protection Mechanism Designed to Reduce the Risk of Orders Executing at Extreme or Adverse Prices When the National Best Bid and Offer (“N...

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.17 to Adopt a Wide Market Protection Mechanism Designed to Reduce the Risk of Orders Executing at Extreme or Adverse Prices When the National Best Bid and Offer (“N...

Public Comments

Resources

Details