選IWM交易，一個原因是我的長倉隻有很少IWM。交易標的選個與長倉相關性較小的。

來源: 牛經滄海於 2024-10-19 10:06:32 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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