用Excel，输入过去一年SPY的每天涨跌幅度，和A每天涨跌幅度，用Cov(A幅度,SPY幅度)/Var(SPY幅度)

来源: BullishSolar 于 2023-02-18 15:12:59 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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