The Securities and Exchange Commission has confirmed it will host a roundtable dedicated to examining what would be required to move U.S. markets toward continuous, 24-hour trading. The announcement, dated July 23, 2026, signals that regulators are formally engaging with an idea that has gained traction across the trading industry in recent years but has so far remained largely theoretical for regulated equity and derivatives markets.
Currently, U.S. stock exchanges operate on a defined schedule, with standard trading hours supplemented by limited pre-market and after-hours sessions. Proposals to extend trading to a full 24-hour cycle have circulated among exchange operators, trading technology firms, and some retail brokerages, driven partly by growing investor demand for access to markets outside traditional business hours and partly by the example set by cryptocurrency markets, which have operated continuously since their inception.
A roundtable format allows the SEC to gather input directly from a range of stakeholders, including exchange operators, clearing houses, broker-dealers, and possibly technology providers, before any formal rulemaking process begins. Such sessions are typically exploratory, intended to surface operational challenges, risks to market integrity, and infrastructure gaps rather than to produce immediate policy changes.
Extending trading hours meaningfully would require coordination across multiple layers of market infrastructure, including clearing and settlement systems, surveillance mechanisms designed to detect manipulation, and the technology backbones that exchanges and brokers rely on to process orders. Regulators have historically been cautious about extending trading windows because thinner liquidity during off-peak hours can lead to wider bid-ask spreads and greater price volatility, potentially exposing retail investors to added risk.
The timing of this roundtable follows years of incremental steps by parts of the industry toward longer trading sessions, including expanded overnight trading pilots offered by certain brokerages and trading venues. Crypto markets, which trade globally and continuously without a centralized closing bell, have often been cited as both an inspiration and a cautionary example in these discussions, given the volatility that can accompany thin overnight liquidity in digital asset markets.
Some details—such as the specific date, participant list, or agenda of the roundtable—could be refined or clarified as more information becomes available.
Market Impact
If the SEC moves forward with initiatives supporting extended or continuous trading, the change could reshape trading patterns for both traditional equities and correlated crypto-related instruments such as exchange-traded products tied to digital assets. Brokerages and exchanges that have already invested in overnight trading infrastructure could see a competitive advantage, while smaller firms may face pressure to upgrade systems to remain compliant with any new operational standards.
For crypto markets specifically, a regulatory push toward 24-hour equities trading could narrow the structural gap between traditional and digital asset markets, potentially influencing how investors allocate capital between the two and how correlated price movements play out during hours that are currently outside standard trading windows.
While the roundtable itself does not constitute a policy change, it marks a notable step in the SEC's engagement with the question of extended trading hours, and market participants will likely watch closely for further details on scope, timing, and participants as they emerge.
Frequently Asked Questions
What is the purpose of the SEC's roundtable on 24-hour trading?
Based on the available information, the roundtable is intended to bring together market participants to discuss the operational and regulatory preparations needed to support a shift toward continuous, round-the-clock trading in U.S. markets.
Does this announcement mean 24-hour trading is being approved?
No. A roundtable is typically an exploratory discussion used to gather industry input and is not the same as a formal rule proposal or approval of extended trading hours.
How does this relate to cryptocurrency markets?
Crypto markets already trade continuously without fixed hours, and they are often referenced in discussions about extending traditional equity trading, both as a model for continuous access and as an example of the risks tied to thinner liquidity during off-peak periods.
Why might extending trading hours be risky?
Trading during hours with lower participation can result in reduced liquidity, wider spreads between buy and sell prices, and increased volatility, which regulators consider when evaluating changes to market structure.
How reliable is this report given it comes from a single source?
The information is drawn from one verified source, and while it has been fact-checked, additional details about the roundtable's date, agenda, and participants may be clarified as more outlets report on the story.