博升應該 long call 還是 short put

講多無謂,觀看全文,看表!

項目 #Long_call #Short_put 評分
期權金 支付 收取 SP 小勝
利潤 #賺無限 (價內幅度) #蝕有限 (期權金) LC 勝
風險 #賺有限 (期權金) #蝕無限 (價內幅度) LC 勝
變化 1. #Diagonal_spread:LC 遠期,重覆 SC 近期 (較高行使價)
2. #Bull_call_spread:同時 LC & SC (到期日一樣,但行使價較高)
#Bull_put_spread:SP & LP (較低行使價,用作止蝕)。 LC 小勝

一句到尾,揀 LC 還是 SP 取決於做人有無底線。我年少無知 #short_put 中海油不設防,接貨後眼巴巴睇佢由 $12 跌到落 $8.82 (2015-08-21) 就算不斷 #short_call,家鄉價都仲係 >$11。

謹此奉勸一定要做好風險管理。

  • 務要封底或止蝕,避免企錯邊時輸間廠。
  • 預先封底好過忍痛止蝕。正如投入咗感情就會留戀。

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