啥叫leap call? 我知道 written call , purchased call. 前者是看跌后者看涨

来源: LilyBD 于 2023-12-19 14:01:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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啥叫leap call? 我知道 written call , purchased call. 前者是看跌 后者看涨