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LuckyYao · 2019年09月04日

问一道题:NO.PZ2019042401000005 [ FRM II ]

问题如下:

老师上课时候举的例子aA=-4.5%,aB=0.5%,请问是怎么算的?

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品职答疑小助手雍 · 2019年09月05日

同学你好,这里是先算出benchmark的组合收益率,(即由ABEF这四个资产组成的组合的收益率),算出来是9.5%,然后拿portfolio中的A资产的收益率、B资产的收益率分别减去9.5%,得到A和B的α

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