rebalance頻率越低風險越大。QQQ一天跌50%歸零幾乎不可能，一個月跌50%歸零還是可能的

來源: jenning 於 2025-07-20 19:01:22 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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