3月18日，港股三大指数齐跌，恒生指数跌0.17%，恒生科技指数跌0.81%，国企指数跌0.61%。
港股期权半日成交超28万张。其中，美团-W成交量居前，期权成交近4.5万张；腾讯控股名列次席，期权成交近4.2万张；阿里巴巴-W位居第三，期权成交超2.6万张。
小米集团-W下跌1.53%，期权方面：半日成交超1.4万张合约，其中于3月30日到期行权价29港元的认沽期权成交量居前，成交超1700张合约。 $MIU.HK 20260330 27.00 PUT$
理想汽车-W跌超6%，期权方面：半日成交超1.3万张合约，其中于3月30日到期行权价67.50港元的认沽期权成交量居前，成交超1200张合约。 $LAU.HK 20260330 67.50 PUT$
中国海洋石油跌超3%，期权方面：半日成交超1.3万张合约，其中于3月27日到期行权价26港元的认沽期权成交量居前，成交超1100张合约。 $CNC.HK 20260327 26.00 PUT$
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