Cboe Postpones Extended Trading Hours Rollout
The Chicago Board Options Exchange (Cboe) has announced a delay in the launch of its extended trading hours (ETH) for options on select highly traded stocks, originally scheduled for August 17, 2026. This initiative, covering 21 issues including Nvidia, Apple, and Tesla, will now start at an undetermined future date. Traders are temporarily unable to use the early pre-market window for options trading on these stocks, limiting real-time insights into pre-market implied volatility and options order flows.
Details of the Planned Extended Trading Sessions
The proposed extended hours, branded as Global Trading Hours (GTH), would allow traders to submit limit orders for options between 7:30 AM and 9:25 AM Eastern Time, offering an additional pre-market trading opportunity before the regular 9:30 AM market open. Cboe also intends to launch a later extended trading segment called Curb, which would operate until 4:15 PM while the trading floor remains closed.
The 21 affected underlying equities are: Apple (AAPL), AMD, Amazon (AMZN), Broadcom (AVGO), Alibaba (BABA), Bank of America (BAC), Alphabet (GOOG/GOOGL), Robinhood (HOOD), Intel (INTC), Meta Platforms (META), Microsoft (MSFT), Micron Technology (MU), Netflix (NFLX), Nokia (NOK), Nvidia (NVDA), Oracle (ORCL), Pfizer (PFE), Palantir (PLTR), Tesla (TSLA), and Taiwan Semiconductor Manufacturing (TSM).
No Clear Explanation for Delay; Previous Dates Revised
This is the second postponement of the ETH launch, initially planned for July 13, 2026, then moved to August 17. The current announcement removes any set start date and notes that future communications will inform market participants once the launch date is secured. The postponement does not affect Cboe’s separate plan for near 24-hour stock trading on its EDGX exchange, scheduled for December 2026 subject to regulatory approval.
Market Analysts Highlight Value and Limitations
Maksymilian Bączkowski, editor at Comparic.pl and quantitative analyst at AI Investments, emphasized that pre-market options trading can provide valuable early market signals, notably on implied volatility, skew, and options flow. However, he noted that limited liquidity and wider bid-ask spreads during extended hours limit the interpretative value of individual trades compared to regular market periods.
Other Exchanges Progress on Similar Extended Sessions
Nasdaq MRX received SEC approval for comparable extended trading hours starting June 26, 2026, covering stock and index options with sessions from 7:30 AM to 9:25 AM and from 4:00 PM to 4:15 PM ET. Unlike Cboe, MRX retains orders within its internal book without routing during extended hours and includes certain ETF options. NYSE American has also submitted a proposal to extend options trading hours and is awaiting regulatory clearance.
Regulatory Background and Market Impact
The SEC approved Cboe’s rule changes in late May to permit extended trading for stock options meeting volume and market capitalization thresholds—specifically, an average six-month options volume of at least 150,000 contracts, underlying equity market cap over $50 billion, and average daily share volume above 10 million shares.
Short-term, the delay reduces market data availability for pre-market option activity, potentially limiting early price signals for investors. Index options on products like SPX, VIX, XSP, and RUT continue extended trading without disruption. Market participants remain attentive to Cboe’s forthcoming announcements regarding the rescheduled ETH launch.