高拋低吸在差價多少時比較合適？2%？ spy 在228的時候獲利。差點就拋了但沒有。否則昨天510低吸獲利就大了

來源: QinHwang 於 2025-04-22 07:02:17 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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