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港交所(00388.HK)5月11日實施首階段市調機制優化措施
阿思達克 04-23 17:23
港交所(00388.HK)宣布,將於今年5月11日實施證券市場的市場波動調節機制第一階段優化措施。

市調機制第一階段優化措施包括將市調機制所涵蓋股票的範圍,由恆生指數及恆生中國企業指數(總數為78隻股票),擴大至包括恆生綜合大型股、中型股及小型股指數成份股(股票總數接近500隻);及觸發界線分三層,上述三隻恆生綜合指數的成份股其觸發界線分別設定為5分鐘前最後成交價的正負10%、正負15%和正負20%。

港交所會在實施第一階段優化措施六個月後檢討有關市場運作,然後才實施第二階段優化措施,容許每隻市調機制股票在同一交易時段內可被多次觸發。

港交所最初於2016年8月在證券市場引入市調機制,旨在預防個別股票的極端價格波動。該所在去年刊發的諮詢文件中,建議進一步優化市調機制。諮詢文件在國際證券事務監察委員會組織發出指引後刊發,該指引要求受規管市場不時檢討及調整其波動調控措施,以確保緊貼最新市場發展。經考慮諮詢文件的回應意見後,港交所認為,市場普遍支持其市調機制優化建議,並已著手實施第一階段的優化措施。(ek/a)

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