如果120 put 今天没有价值，你可以只用135put, $4.65 protect 所有下跌

来源: 三心三意于 2025-05-28 08:16:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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如果120 put 今天没有价值， 你可以只用135put, $4.65 protect 所有下跌