Stocks A and B have the following probability distributions of expected future returns:
Probability | A | B | ||
0.1 | (5 | %) | (37 | %) |
0.1 | 3 | 0 | ||
0.6 | 14 | 21 | ||
0.1 | 20 | 29 | ||
0.1 | 31 | 45 |
%
%
Now calculate the coefficient of variation for Stock B. Do not round intermediate calculations. Round your answer to two decimal places.
Assume the risk-free rate is 3.5%. What are the Sharpe ratios for Stocks A and B? Do not round intermediate calculations. Round your answers to four decimal places.
Stock A:
Stock B:
a & b] | STOCK A: | |||||
Probability [p] | Rate of return [%] [r] | E[r] = p*r | d = r-E[r] | d^2 | p*d^2 | |
0.10 | -5 | -0.50 | -18.30 | 334.89 | 33.49 | |
0.10 | 3 | 0.30 | -10.30 | 106.09 | 10.61 | |
0.60 | 14 | 8.40 | 0.70 | 0.49 | 0.29 | |
0.10 | 20 | 2.00 | 6.70 | 44.89 | 4.49 | |
0.10 | 31 | 3.10 | 17.70 | 313.29 | 31.33 | |
13.30 | 80.21 | |||||
Expected return | 13.30 | |||||
Variance | 80.21 | |||||
SD = 80.21^0.5 = | 8.96 | |||||
Coefficient of variation = 8.96/13.3 = | 0.67 | |||||
STOCK B: | ||||||
Probability [p] | Rate of return [%] [r] | E[r] = p*r | d = r-E[r] | d^2 | p*d^2 | |
0.10 | -37 | -3.70 | -53.30 | 2840.89 | 284.09 | |
0.10 | 0 | 0.00 | -16.30 | 265.69 | 26.57 | |
0.60 | 21 | 12.60 | 4.70 | 22.09 | 13.25 | |
0.10 | 29 | 2.90 | 12.70 | 161.29 | 16.13 | |
0.10 | 45 | 4.50 | 28.70 | 823.69 | 82.37 | |
16.30 | 422.41 | |||||
Expected return | 16.30 | |||||
Variance | 422.41 | |||||
SD = 422.41^0.5 = | 20.55 | |||||
Coefficient of variation = 20.55/16.3 = | 1.26 | |||||
c] | Sharpe ratio = [Expected return-Risk free rate]/Standard deviation | |||||
Stock A = (13.3-3.5)/8.96 = | 1.09 | |||||
Stock B = (16.3-3.5)/20.55 = | 0.62 |
Stocks A and B have the following probability distributions of expected future returns: Probability A B...
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