這就是對衝的好處。如果我們判段錯了，起碼不會miss the run up. 如果對了，對衝就減小下降損失

來源: 三心三意於 2025-05-15 07:18:23 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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