期權大單 | 阿裏巴巴看跌期權成交量大增,進入全市場交易量前10
一、期權異動

9月21日,美股阿裏巴巴、Beyond Meat、三倍做多半導體等標的出現了期權成交量上的較大變化,分別爲日常成交量的2.1、2.7、1.9倍。
阿裏巴巴成交大量看跌期權
阿裏巴巴週三下跌4.90%,報81.60美元。期權合約成交58.64萬張,看跌期權佔全部期權交易的71%。美東時間9月21日,有多筆看跌期權大單成交,成交額均超1億美元。
花旗將關閉旗下所有英國零售銀行業務
花旗週三收跌1.95%,報46.33美元。消息方面:花旗將關閉旗下所有英國零售銀行業務,轉而聚焦於個人銀行及理財業務。花旗稱,重整行動有助集團集中資源,拓展財富管理業務,將尋求將部分獲挑選的零售銀行客戶,轉移至私人銀行。
二、總成交量前10
美東時間9月21日(週三),美股尾盤跳水並大幅收跌,三大股指跌幅均超1.7%。美聯儲加息75個基點,並大幅下調了美國GDP增速預期,上調了失業率和通脹預期。經濟學家擔心美聯儲激進緊縮將在今年底或明年初誘發全面經濟衰退。美國2年期與10年期國債收益率倒掛幅度擴大至50個基點。截至收盤,納斯達克指數跌幅爲1.79%;道瓊斯指數跌幅爲1.70%;標普500指數跌幅爲1.71%。

期權成交量方面,前兩名爲指數ETF,其次爲特斯拉、蘋果、羅素指數等。
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