Federal Register #SR-BOX-2026-21

BOX Exchange proposal for electronic FLEX Equity Options auctions

The Securities and Exchange Commission (SEC) notice describes a proposed BOX Exchange LLC rule change for electronic trading auctions involving FLEX Equity Options. - Government agency: Securities and Exchange Commission; no specific sub-agency or office is identified. The SEC is publishing a regulatory notice, not buying goods or services. - Proposal: BOX Exchange LLC proposes to amend Rules 5055 and 7240 and add Rules 7155 and 7275 to establish electronic FLEX Price Improvement Period and FLEX Solicitation Auctions. - The proposal addresses order handling, auction timing, execution allocation, and the treatment of FLEX positions. - Other named exchanges: Cboe Exchange, Inc. (CBOE), Nasdaq PHLX LLC, and Nasdaq ISE, LLC are referenced as having existing or related FLEX trading rules. - OEMs and products: No manufacturers, products, part numbers, quantities, or services are requested; this is a regulatory rulemaking notice, not a procurement opportunity.

Description

BOX Exchange LLC proposes changes to its rules to govern electronic auction trading of FLEX Equity Options. The proposal would amend Rules 5055 and 7240 and add Rules 7155, for FLEX Price Improvement Period auctions, and 7275, for FLEX Solicitation Auctions. The notice solicits comments on the proposed rule change.

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