Hong Kong Bourse Plans to Start Zero-Day Options in Early 2027

Hong Kong’s stock exchange is working on introducing options expiring within a day next year, joining a global trend toward shorter-dated bets that’s sent US derivatives volume ballooning.

Hong Kong Exchanges & Clearing Ltd. plans to roll out so-called zero-days to expiry contracts on the benchmark Hang Seng Index in the first quarter of 2027, according to people familiar with the matter, who asked not to be identified as the discussions are private. The bourse in 2025 was said to be seeking to launch the derivatives as soon as the first half of this year.