Question: Problem 32 Intro Assume that the single index model is valid. You've collected the following information about excess returns for two stocks, A and B,

Problem 32 Intro Assume that the single index model is valid. You've collected the following information about excess returns for two stocks, A and B, their residual standard deviations, and the standard deviation of the macroeconomic factor, M: RA= -0.1 +0.5 RM + ea RB = 0.2 + 1.3 RM + eb (CA) = 0.4 (b) = 0.2 OM = 0.15 . Part 1 Attempt 1/10 for 10 pts. What is the standard deviation of stock A? 3+ decimals Submit Part 2 Attempt 1/10 for 10 pts. What is the standard deviation of stock B? 3+ decimals Submit
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