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Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.15(b) to Introduce the Exchange’s Clock Service

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

Public Comments

Submit a Comment on SR-CboeBZX-2026-028

Last Reviewed or Updated: April 16, 2026

Resources

Notice Rule: SEC Issued Version (pdf 242.86 KB)

Exhibit 5

Details

Public Comments Due

May 7, 2026

File Number

SR-CboeBZX-2026-028

Rule Type

Notice

Release Number

34-105215

SEC Issue Date

April 13, 2026

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.15(b) to Introduce the Exchange’s Clock Service

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 21.15(b) to Introduce the Exchange’s Clock Service

Public Comments

Resources

Details