always buy put first, and then decide on call later.

來源: 三心三意於 2025-05-15 11:27:08 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 我做了相似的操作，賣的CALL虧了隻好贖回，不過PUT還留著由 GandalfOld 於 2025-05-15 11:19:45

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