原理就是当50天均线跌破200天均线时，卖掉所有持有，同时买入Put，等半年左右卖掉Put，然后开始买回原来持有的投资

来源: parentb 于 2024-07-07 06:56:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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