卖put的收入可能也是为了奖励其兜底所冒的风险吧，另外现金被扣留给put也要求一点利息；太复杂的细节，我就不研究了

来源: monseigneur 于 2025-12-13 19:15:15 [旧帖] [给我悄悄话] 本文已被阅读：次

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