買入，賣出相應數量的遠期低價位的看多期權。

來源: flypacific 於 2023-06-29 18:57:47 [舊帖] [給我悄悄話] 本文已被閱讀：次

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買入， 賣出相應數量的遠期低價位的看多期權。