Cboe has received approval from the U.S. Securities and Exchange Commission (SEC) to extend trading hours for select single-stock options, a development that signals the U.S. options market is gradually moving toward a more continuous, near 24-hour trading model.
The SEC’s approval is a notable regulatory green light for market structure changes that many market participants have been watching closely. Single-stock options are widely used by investors and traders to hedge equity exposure, manage risk around earnings, and implement trading strategies tied to specific companies. Because these options are linked to publicly traded stocks, expanding trading hours can help align options activity more closely with the timing and availability of underlying information.
Under the updated framework, Cboe is authorized to extend trading hours for a subset of single-stock options. While the exact details of the new operating window depend on the specific approval and rules applied to the eligible contracts, the key takeaway is that trading will not be limited to the traditional, narrower session boundaries that have historically constrained options markets. Instead, the change supports a longer period during which market makers and participants can trade these instruments.
This matters for liquidity and price discovery. In conventional market schedules, trading activity can slow or stop at the end of the regular session, which can leave investors without real-time tools to adjust positions during the subsequent off-hours period. By lengthening the hours during which options can be traded, market participants may be better able to respond to new information sooner, particularly for events or developments that occur outside standard hours. That can reduce friction for hedgers who need to adjust risk and for traders who want to express views about a company when news breaks.
The move also reflects a broader industry trend: exchanges and trading venues have been testing how far market hours should expand, and regulators have increasingly had to weigh benefits such as improved responsiveness and potential liquidity gains against concerns such as market integrity, surveillance, and operational readiness. SEC approval indicates that, for the eligible options and operational setup, the regulator believes the necessary safeguards are in place or can be applied effectively.
The story frames the change as part of a gradual evolution toward a near 24-hour options structure. Importantly, this does not necessarily mean options trading will become fully continuous across all products immediately. Rather, it suggests that the market is taking incremental steps—starting with select contracts and specific trading-hour extensions—before potentially expanding further in scope.
As the options market extends its hours, participants such as institutional investors, broker-dealers, market makers, and retail intermediaries may need to adjust internal systems, staffing, and risk management processes. Longer trading windows can influence how spreads behave, how volatility is priced, and how quickly new information is reflected in options prices. It can also change the rhythm of hedging and rebalancing strategies for portfolios with options overlays.
Market makers, in particular, rely on predictable patterns of order flow and volatility. Extending trading hours can create new demand profiles and alter the balance of risk inventory carried by liquidity providers. Over time, if participation remains healthy, the longer hours could improve the ability for customers to access liquidity and for prices to better reflect information as it becomes available.
Regulatory oversight remains central. When trading hours expand, the SEC’s role in ensuring that exchanges maintain effective rules for order handling, surveillance, and participant compliance becomes even more important. Approving Cboe’s extension for single-stock options suggests that regulators are willing to allow market structure changes that are designed to preserve transparency and market integrity.
For investors, the practical effect could be greater flexibility. Options traders may be able to enter, exit, or hedge positions outside of the most traditional time windows, potentially improving how quickly they can react to major after-hours moves in the underlying stocks. That can be especially relevant around scheduled events like earnings, economic releases, or corporate announcements that may occur in the evening or early morning.
Overall, Cboe’s SEC-approved extended trading hours for selected single-stock options is being presented as another milestone in the modernization of U.S. derivatives markets. The change reinforces the idea that the options industry is gradually building the infrastructure and regulatory comfort needed to support a near 24-hour marketplace.
Source: Andrew Hiesinger
Andrew Hiesinger: BREAKING 🚨 Cboe received SEC approval to extend trading hours for select single-stock options. The U.S. options market is slowly moving toward a near 24-hour structure.. #breaking
— @AndrewHiesinger May 1, 2026
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