港交所行政总裁陈翊庭：港交所将研究24小时交易机制。“关于交易时间延长议题，我们注意到纳斯达克拟于2026年下半年实施每周5天24小时交易机制。港交所将秉持审慎渐进原则，在充分借鉴国际同业经验的基础上，结合本地市场实际情况进行研究。该进程需待交易系统升级、风险管理体系完善及监管框架配套成熟后逐步完善。”港交所正积极与市场参与者就缩短现货市场结算周期进行探讨，港交所的技术系统在今年年底前将可以支持T+1结算周期，但市场何时实行T+1结算需要征求多方市场参与者意见。 ...

Group 1 - The core viewpoint of the article emphasizes the Hong Kong Stock Exchange's commitment to strategic investments to maintain global competitiveness, particularly in optimizing data platforms and upgrading trading and settlement systems [1] - The CEO of the Hong Kong Stock Exchange, Charles Li, addressed the topic of extending trading hours, noting that the exchange will adopt a cautious and gradual approach, learning from international peers while considering local market conditions [1] - The Hong Kong Stock Exchange is actively discussing shortening the settlement cycle for the cash market, with its technical systems expected to support a T+1 settlement cycle by the end of this year, although the implementation will depend on feedback from market participants [1]