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About CAPM
CAPM: ri=rf+b(rm-rf)in general, we are given the return on S&P 500 index, say 12%, as rm in the fomula, but how can we work out this number? if we use the S&P data on yahoo finance, and then calculate return through r=ln[p(t)/p(t-1)], the return shall be negative sometimes.
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- GregWallace
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About CAPM
Best to just single post.Refer answers in General Forum.