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Notice Rule

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Adopt Rules to Govern the Trading of FLEX Equity Options in Electronic Auctions

National Securities Exchanges, BOX Exchange LLC (BOX)

Public Comments

Submit a Comment on SR-BOX-2026-21

Last Reviewed or Updated: Nov. 4, 2026

Resources

Notice Rule: SEC Issued Version (pdf 351.35 KB)

Exhibit 5

Details

Public Comments Due

21 days after date of publication in the Federal Register.

File Number

SR-BOX-2026-21

Rule Type

Notice

Release Number

34-106819

SEC Issue Date

Nov. 4, 2026

Rules & Regulations

Enforcement & Litigation

Compliance

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Adopt Rules to Govern the Trading of FLEX Equity Options in Electronic Auctions

Public Comments

Resources

Details

More in this Section

Notice of Filing and Immediate Effectiveness of Proposed Rule Change to Adopt Rules to Govern the Trading of FLEX Equity Options in Electronic Auctions

Public Comments

Resources

Details