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December 30, 2016

算已結, 結算價為21725, 最終套LC216 + SC218只能微利, 未能達到最大利潤

其實尋日期指上到21790時, 以我既持倉為例(成本86點), 哩套野最多賺梗54點(216Call@202, 218Call@62)

而做末日操作, 選擇提早平倉(獲利/止饋)定同佢搏到結算, 往往都會成為大家最頭痛既地方, 想坐到尾摶最大利潤時, 又怕最終由贏變輸, 真係末日交叉點... 究竟應該點做好呢?

其實哩個問題既本質在於一個基本經濟學概念: 機會成本(Opportunity Cost), 當大家懂得衡量被放棄而價值最高的選擇(Hig...

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May 11, 2017

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