反指，期權，多倍體等都有decay。比如TQQQ, 要實現三倍QQQ收益，必須用馬金，即借本金兩倍多的錢，全部買入QQQ。借的錢

來源: justbuy168 於 2025-02-15 19:21:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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