Hong Kong Exchanges and Clearing Limited (HKEX) is reportedly preparing to introduce same-day expiry options contracts next year, joining a global trend of short-term derivatives trading that has significantly boosted volumes in US markets. Sources indicate that HKEX aims to launch so-called "zero-day to expiry" contracts tied to the benchmark Hang Seng Index in the first quarter of 2027. Market rumors had already circulated in 2025 that the exchange was seeking to introduce the product as early as the first half of this year. These instruments, known as 0DTE options, enable traders to take short-term positions on intraday market movements, volatility events, and economic data releases for strategic bets. Since the United States launched similar products in 2022, trading dynamics have been transformed, with daily expiring contracts now accounting for over half of all S&P 500 index options volume. The planned launch comes as HKEX seeks to increase derivatives trading activity and compete more aggressively with global peers. The exchange expanded its weekly contracts portfolio in 2024 by introducing weekly contracts for the Hang Seng Tech Index and ten individual stocks, with continued expansion of such products since then.
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