SEC & CFTC Enforcement Brief

Headline

SEC grants 24X National Exchange temporary exemptive relief to operate overnight equity trading beginning January 24, 2027

Executive Summary

The SEC issued an exemptive order on August 14, 2026, granting 24X National Exchange LLC conditional relief from specified quote-dissemination obligations under Regulation NMS and certain equity data plan requirements. The relief takes effect January 24, 2027. It expires on the earlier of the date the Extended Hours Amendments are implemented or July 2, 2027.

Bottom Line

The order opens a regulated overnight equity trading window at 24X National Exchange for the first time, under conditions that suspend core Regulation NMS quote-dissemination requirements, equity data plan obligations, and the exchange's own SRO enforcement duty. These suspensions apply only to 24X and only within the order's stated conditions; they do not extend to other exchanges or to broker-dealers routing to 24X, whose own Regulation NMS and data plan obligations remain intact. The relief window closes no later than July 2, 2027, and its continuation before that date depends entirely on whether the SEC implements the Extended Hours Amendments.

Key Regulatory Signals

• Overnight Session Now Has a Regulatory Pathway: The order creates a time-limited, conditional framework permitting 24X to operate an overnight equity trading session before the permanent Extended Hours Amendments are in place. Exchanges, broker-dealers, and market data subscribers operating outside standard session hours now have a defined interim regulatory structure to assess against their own connectivity and data obligations.
• Quote-Dissemination Relief Is Conditional, Not Blanket: The exemption from Rule 602 of Regulation NMS, which requires exchanges to disseminate firm quotes to the consolidated tape, applies only under the specific conditions the order sets. Exchanges and their affiliated market data vendors must confirm whether their overnight data feeds and quote-reporting infrastructure satisfy those conditions or require modification before January 24, 2027.
• Equity Data Plan Obligations Are Partially Suspended: Certain requirements under the operative equity data plans are suspended for 24X during the relief period. Competing exchanges and data plan participants should assess whether the suspension alters their own plan-level obligations or creates asymmetric data-dissemination conditions during the overnight window.
• Hard Sunset Tied to Rulemaking Progress: The relief expires at the earlier of two dates: implementation of the Extended Hours Amendments or July 2, 2027. If the SEC's rulemaking on extended hours trading does not reach implementation by that date, the exemption lapses and 24X's overnight session would require a new authorization or cessation.
• Section 19(g)(1) Self-Regulatory Obligation Is Also Suspended: The order suspends 24X's obligation under the Exchange Act to enforce compliance with its own rules during the overnight session, within the scope of the relief. This is a structural departure from standard SRO obligations and signals that the SEC views the overnight session as operating under a distinct supervisory posture pending permanent rulemaking.

Regulatory Delta

No prior SEC exemptive order has simultaneously relieved a national securities exchange from Rule 602 quote-dissemination obligations and Section 19(g)(1) SRO enforcement duties to enable an overnight equity trading session. This order is a first-in-kind structural departure.

The sunset provision has a dual trigger: it activates upon either implementation of the Extended Hours Amendments or the fixed date of July 2, 2027, whichever comes first. That structure places the Extended Hours Amendments rulemaking on a de facto deadline within a defined but contingent operating window.

The SEC's broader extended-hours rulemaking, of which the Extended Hours Amendments form one component, runs in parallel with FINRA's existing guidance on extended-hours trading disclosures. Broker-dealers routing orders to 24X during the overnight session face adjacent supervisory obligations under both regimes.

Materiality Classification

HIGH — The order establishes a first-in-kind exemptive framework suspending Rule 602 quote-dissemination obligations and Section 19(g)(1) SRO enforcement duties for overnight equity trading; exchanges, broker-dealers, and market data participants operating in or adjacent to extended-hours sessions must assess their own Regulation NMS and data plan obligations against the asymmetric conditions this relief creates.

Time Horizon

effective — 2027-01-24

Intelligence Outlook

Monitor SEC rulemaking proceedings on the Extended Hours Amendments for an implementation date that would trigger early termination of this relief before July 2, 2027.