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Notice Rule

Notice of Filing and Immediate Effectiveness of a Proposal to Amend Rule 20.6 (Nullification and Adjustment of Options Transactions including Obvious Errors) Regarding the Roster Requirements for the Obvious Error Panel

National Securities Exchanges, MEMX LLC (MEMX)

Public Comments

Submit a Comment on SR-MEMX-2026-27

Last Reviewed or Updated: Aug. 21, 2026

Resources

Notice Rule: SEC Issued Version (pdf 178.37 KB)

Exhibit 5

Details

Public Comments Due

Sept. 11, 2026

File Number

SR-MEMX-2026-27

Rule Type

Notice

Release Number

34-106157

SEC Issue Date

Aug. 18, 2026

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of a Proposal to Amend Rule 20.6 (Nullification and Adjustment of Options Transactions including Obvious Errors) Regarding the Roster Requirements for the Obvious Error Panel

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of a Proposal to Amend Rule 20.6 (Nullification and Adjustment of Options Transactions including Obvious Errors) Regarding the Roster Requirements for the Obvious Error Panel

Public Comments

Resources

Details