#CBOE扩大期权交易时段
Cboe Extended-Hours Options Trading: Does It Increase Liquidity?

Yes, extending trading hours for U.S. stock and ETF options can increase derivatives trading volume during pre-market and post-market sessions. However, there is a critical distinction: longer trading hours do not automatically equate to higher liquidity.

Cboe’s expansion of trading hours for popular stocks—such as Robinhood (HOOD) and Nvidia (NVDA)—as well as major ETFs, could have three significant effects:

* More trading opportunities: Investors can react more quickly to corporate news and economic data released outside of regular market hours by using options.

* Higher trading volume: Demand may increase, particularly during periods marked by earnings announcements, macroeconomic data releases, or significant market volatility.

* Extended risk management: Both institutional and retail investors gain more time to hedge or adjust their positions.

1. How have trading hours been extended?

Morning session

07:30–09:25 ET

Before the opening of the regular U.S. market session

Post-close session

16:00–16:15 ET

An additional session for select stock options

Implemented as of October 19, 2026. Some ETF options were already trading during the regular session until 16:15 ET.

The scope includes 24 stocks—such as Nvidia, Robinhood, Apple, Amazon, and Microsoft—along with 5 ETFs, including SPY, QQQ, and IWM. Through the end of September 2026, these symbols accounted for approximately 53% of the total U.S.-listed options volume.

2. How might liquidity and market behavior be affected? Trading volume May increase, particularly during the release of significant news.

Bid-ask spread May narrow as the number of participants grows; it may remain wide initially.

Option pricing New developments affecting stock prices may be incorporated into option prices more rapidly.

Volatility Sudden price movements and shifts in option premiums may occur around the time of news releases.

Market maker activity Opportunities for risk management and arbitrage may arise over a longer period.

Important note: These new sessions do not mean the entire options market is open for 23 hours a day. In the initial phase, this applies only to select products and specific time frames.

3. Which companies might benefit from this?

Nvidia (NVDA)

News from the artificial intelligence and chip sectors can trigger price movements ahead of the U.S. market session. Extended options sessions allow investors to adjust their positions earlier.

Robinhood (HOOD)

Strong interest from active retail investors and the growing popularity of options trading could create a potential growth area for the platform. The extent to which this translates into corporate revenue depends on trading volume and revenue-sharing arrangements.

SPY and QQQ

Extended access hours can benefit investors seeking to hedge against index-related or macroeconomic developments. This offers a timing advantage, particularly for investors located outside the United States.

4. What is the primary risk for investors?

During extended trading hours, liquidity may not be as deep as it is during the regular session. Consequently:

* Wider bid-ask spreads may occur.

* Due to lower trading volume, orders may not be executed at the expected price.

* The pricing of an option may not update at the same pace as the price of the underlying asset.

* Due to leverage, even small price movements can translate into significant gains or losses.

In the case of options, in particular, one should look not only at trading volume but also at the bid-ask spread, order depth, and the actual execution price.

Conclusion

In my assessment, this move by Cboe represents a structural step toward extending the operating hours of the U.S. derivatives market and, over time, shifting it toward a more global trading framework. The most immediate benefit is the ability to react more swiftly to news flow. Whether liquidity will increase on a sustained basis remains to be seen; this will become clear in the coming weeks through session-based trading volumes, bid-ask spreads, and the level of participation from market makers.

A key distinction to keep in mind: While higher trading volumes could generate greater potential transaction revenue for Cboe, this does not necessarily imply that the share price of Cboe—or the prices of the underlying stocks—will rise.

October 22, 2026. This is a scenario analysis based on the potential impacts of extended options trading sessions; it does not constitute personalized investment advice.

1. Cboe Global Markets

Potential for direct benefit

Ticker: CBOE

Cboe is the market operator that manages the infrastructure for extended trading sessions. Increased trading activity could, over time, bolster revenue from options trading and drive demand for market data.

Upside scenario: Trading volume and market participation see a sustained increase.

Risk: If the growth in volume remains limited, the operational and technological costs of maintaining these new sessions could diminish expected returns.

2. Robinhood Markets

Sensitive to trading activity

Ticker: HOOD

Robinhood is among the brokerage firms offering extended trading sessions to its clients. Higher levels of client activity could create opportunities for increased options trading and greater customer engagement.

Upside scenario: Trading activity per user and net transaction-based revenues rise.

Risk: Low trading margins, intense competition, customer acquisition costs, and a potential decline in overall market activity.

3. Nvidia

Indirect benefit

Ticker: NVDA

Nvidia is one of the high-volume stocks traded during these extended sessions. Longer trading hours may allow investors to react more readily to company news and earnings announcements.

Upside scenario: Heightened investor interest and greater access to trading support broader market participation.

Risk: The share price is primarily driven by demand for artificial intelligence, revenue growth, market expectations, and valuation; the direct impact of extended trading hours on profitability may be limited. The new trading sessions launched by Cboe on October 19 cover the periods from 7:30 AM to 9:25 AM (morning) and 4:00 PM to 4:15 PM (post-close) Eastern Time. As of September 2026, the stocks and ETFs included in this scope accounted for approximately 53% of the daily options trading volume in the U.S.

2. Catalysts to watch in the coming period

* CBOE: The impact of trading volumes during extended sessions and revenue from new trading activity on the company’s financial results. Cboe’s third-quarter earnings should also be monitored closely.

* HOOD: Third-quarter results, to be announced on October 27, 2026; options trading volume and revenue per user will be key indicators for assessing the impact of the extended trading sessions.

* NVDA: The sustainability of spending on AI infrastructure, revenue forecasts, and profit margins. Despite the company’s strong growth outlook, concerns regarding the returns on AI investments could exert pressure on the stock.

3. Investment framework: Three scenarios

Bullish scenario

Positive

Trading volumes increase, bid-ask spreads narrow, and the new sessions attract a steady base of participants. In this scenario, CBOE stands to benefit most directly, while HOOD could also gain from increased client activity.

Neutral scenario

Neutral

Trading activity shifts to the extended hours, but total volume sees only a marginal increase. Even with longer trading hours, revenue growth for these companies may remain limited.

Bearish scenario

Negative

Low liquidity, wide bid-ask spreads, and high operational costs diminish the appeal of the new trading sessions. As for NVDA, it remains exposed to risks related to AI demand and valuation, independent of this development.

My final assessment

If I were to approach this development as an investment theme, I would categorize them as follows: CBOE as the infrastructure provider; HOOD as the brokerage firm positioned to benefit from increased trading activity; and NVDA as a technology stock that should be evaluated based on its own fundamental growth dynamics.

The most critical distinction is that an extension of market trading hours is not the same thing as an actual increase in total trading volume.

Therefore, before making any decisions, one must consider the current price, valuation, and most recent financial results. It would be inappropriate to issue a buy recommendation for any of these three stocks based solely on this news.

$HOOD

‌$QQQ

‌$IWM

‌$CBOE

‌$NVDA