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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 (“NBBO

National Securities Exchanges, Cboe BZX Exchange, Inc. (CboeBZX)

Public Comments

Submit a Comment on SR-CboeBZX-2026-030

Last Reviewed or Updated: April 24, 2026

Resources

Notice Rule: SEC Issued Version (pdf 219.79 KB)

Exhibit 5

Details

Public Comments Due

May 15, 2026

File Number

SR-CboeBZX-2026-030

Rule Type

Notice

Release Number

34-105282

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 (“NBBO

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 (“NBBO

Public Comments

Resources

Details