这是建立在不会大跌的假设前提之上

来源: Lotus2013 于 2024-05-14 22:25:55 [档案] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: buying far out of money call, and protected it with near money p 由三心三意于 2024-05-14 21:18:00

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