Finance problem- 1 hour only
O945_1.docx
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Problem 1: Estimating the Single Index Model [18 points]
A. [12 points] Compute the excess returns for each stock and for the market. Use these excess returns to estimate the market model for each of the 4 stocks. Present the alpha, beta, and residual variance for each of the 4 stocks.
B. [6 points] Using the estimates from Part A, determine the alpha, beta, and residual variances of the following portfolios:
a. 20% XOM, 30% AAPL, 20% TXN, 30% UTX
b. 30% XOM, 20% AAPL, 25% TXN, 25% UTX
Problem 2: Consider the following three stocks and the provided information. Use this information to answer the following questions. [19 points]
Stock: alpha beta Residual
Variance
BIGA 1.50% 1.5 6.344%
NEGA 0.02% 1.2 3.312%
HIVOL 0.35% 1.8 12.222%
Market Excess Return 5.00%
Risk-free rate 1.00%
A. [3 points] Calculate the information ratio for each of the three stocks
B. [4 points] Assume the total return variance for the stock BIGA is 0.1141, or 11.41%. Using the given information, what is the market return variance?
C. [4 points] Determine the composition of the optimal active portfolio.
D. [4 points] Determine the composition of the optimal portfolio (i.e. the optimal allocation to the index portfolio and the portfolio from Part C.
E. [4 points] Compare the Sharpe ratio of the index to that of the portfolio in Part D.
O945_2.xlsx
XOM
| date | TICKER | Stock Return | Market Return | Risk Free Return |
| 20080131 | XOM | -7.78% | -6.12% | 0.21% |
| 20080229 | XOM | 1.11% | -3.48% | 0.13% |
| 20080331 | XOM | -2.79% | -0.60% | 0.17% |
| 20080430 | XOM | 10.04% | 4.75% | 0.18% |
| 20080530 | XOM | -4.20% | 1.07% | 0.18% |
| 20080630 | XOM | -0.71% | -8.60% | 0.17% |
| 20080731 | XOM | -8.74% | -0.99% | 0.15% |
| 20080829 | XOM | -0.02% | 1.22% | 0.13% |
| 20080930 | XOM | -2.94% | -9.08% | 0.15% |
| 20081031 | XOM | -4.56% | -16.94% | 0.08% |
| 20081128 | XOM | 8.68% | -7.48% | 0.03% |
| 20081231 | XOM | -0.40% | 0.78% | 0.09% |
| 20090130 | XOM | -4.20% | -8.57% | 0.00% |
| 20090227 | XOM | -10.70% | -10.99% | 0.01% |
| 20090331 | XOM | 0.29% | 8.54% | 0.02% |
| 20090430 | XOM | -2.10% | 9.39% | 0.01% |
| 20090529 | XOM | 4.65% | 5.31% | 0.00% |
| 20090630 | XOM | 0.81% | 0.02% | 0.01% |
| 20090731 | XOM | 0.69% | 7.41% | 0.01% |
| 20090831 | XOM | -1.16% | 3.36% | 0.01% |
| 20090930 | XOM | -0.78% | 3.57% | 0.01% |
| 20091030 | XOM | 4.46% | -1.98% | 0.00% |
| 20091130 | XOM | 5.33% | 5.74% | 0.00% |
| 20091231 | XOM | -9.16% | 1.78% | 0.01% |
| 20100129 | XOM | -5.51% | -3.70% | 0.00% |
| 20100226 | XOM | 1.54% | 2.85% | 0.00% |
| 20100331 | XOM | 3.05% | 5.88% | 0.01% |
| 20100430 | XOM | 1.18% | 1.48% | 0.00% |
| 20100528 | XOM | -10.14% | -8.20% | 0.01% |
| 20100630 | XOM | -5.61% | -5.39% | 0.01% |
| 20100730 | XOM | 4.57% | 6.88% | 0.01% |
| 20100831 | XOM | -0.22% | -4.74% | 0.01% |
| 20100930 | XOM | 4.53% | 8.76% | 0.01% |
| 20101029 | XOM | 7.61% | 3.69% | 0.01% |
| 20101130 | XOM | 5.28% | -0.23% | 0.01% |
| 20101231 | XOM | 5.12% | 6.53% | 0.01% |
| 20110131 | XOM | 10.34% | 2.26% | 0.01% |
| 20110228 | XOM | 6.56% | 3.20% | 0.01% |
| 20110331 | XOM | -1.64% | -0.10% | 0.01% |
| 20110429 | XOM | 4.58% | 2.85% | 0.00% |
| 20110531 | XOM | -4.59% | -1.35% | 0.00% |
| 20110630 | XOM | -2.50% | -1.83% | 0.00% |
| 20110729 | XOM | -1.95% | -2.15% | 0.00% |
| 20110831 | XOM | -6.64% | -5.68% | 0.01% |
| 20110930 | XOM | -1.88% | -7.18% | 0.00% |
| 20111031 | XOM | 7.52% | 10.77% | 0.00% |
| 20111130 | XOM | 3.61% | -0.51% | 0.00% |
| 20111230 | XOM | 5.37% | 0.85% | 0.00% |
| 20120131 | XOM | -1.20% | 4.36% | 0.00% |
| 20120229 | XOM | 3.86% | 4.06% | 0.00% |
| 20120330 | XOM | 0.27% | 3.13% | 0.00% |
| 20120430 | XOM | -0.45% | -0.75% | 0.00% |
| 20120531 | XOM | -8.27% | -6.27% | 0.01% |
| 20120629 | XOM | 8.83% | 3.96% | 0.00% |
| 20120731 | XOM | 1.50% | 1.26% | 0.00% |
| 20120831 | XOM | 1.17% | 1.98% | 0.01% |
| 20120928 | XOM | 4.75% | 2.42% | 0.01% |
| 20121031 | XOM | -0.31% | -1.98% | 0.01% |
| 20121130 | XOM | -2.70% | 0.28% | 0.01% |
| 20121231 | XOM | -1.80% | 0.71% | 0.01% |
AAPL
| date | TICKER | Stock Return | Market Return | Risk Free Return |
| 20080131 | AAPL | -31.66% | -6.12% | 0.21% |
| 20080229 | AAPL | -7.64% | -3.48% | 0.13% |
| 20080331 | AAPL | 14.78% | -0.60% | 0.17% |
| 20080430 | AAPL | 21.22% | 4.75% | 0.18% |
| 20080530 | AAPL | 8.51% | 1.07% | 0.18% |
| 20080630 | AAPL | -11.29% | -8.60% | 0.17% |
| 20080731 | AAPL | -5.07% | -0.99% | 0.15% |
| 20080829 | AAPL | 6.66% | 1.22% | 0.13% |
| 20080930 | AAPL | -32.96% | -9.08% | 0.15% |
| 20081031 | AAPL | -5.34% | -16.94% | 0.08% |
| 20081128 | AAPL | -13.87% | -7.48% | 0.03% |
| 20081231 | AAPL | -7.90% | 0.78% | 0.09% |
| 20090130 | AAPL | 5.60% | -8.57% | 0.00% |
| 20090227 | AAPL | -0.91% | -10.99% | 0.01% |
| 20090331 | AAPL | 17.70% | 8.54% | 0.02% |
| 20090430 | AAPL | 19.70% | 9.39% | 0.01% |
| 20090529 | AAPL | 7.93% | 5.31% | 0.00% |
| 20090630 | AAPL | 4.87% | 0.02% | 0.01% |
| 20090731 | AAPL | 14.72% | 7.41% | 0.01% |
| 20090831 | AAPL | 2.95% | 3.36% | 0.01% |
| 20090930 | AAPL | 10.19% | 3.57% | 0.01% |
| 20091030 | AAPL | 1.70% | -1.98% | 0.00% |
| 20091130 | AAPL | 6.05% | 5.74% | 0.00% |
| 20091231 | AAPL | 5.41% | 1.78% | 0.01% |
| 20100129 | AAPL | -8.86% | -3.70% | 0.00% |
| 20100226 | AAPL | 6.54% | 2.85% | 0.00% |
| 20100331 | AAPL | 14.85% | 5.88% | 0.01% |
| 20100430 | AAPL | 11.10% | 1.48% | 0.00% |
| 20100528 | AAPL | -1.61% | -8.20% | 0.01% |
| 20100630 | AAPL | -2.08% | -5.39% | 0.01% |
| 20100730 | AAPL | 2.27% | 6.88% | 0.01% |
| 20100831 | AAPL | -5.50% | -4.74% | 0.01% |
| 20100930 | AAPL | 16.72% | 8.76% | 0.01% |
| 20101029 | AAPL | 6.07% | 3.69% | 0.01% |
| 20101130 | AAPL | 3.38% | -0.23% | 0.01% |
| 20101231 | AAPL | 3.67% | 6.53% | 0.01% |
| 20110131 | AAPL | 5.20% | 2.26% | 0.01% |
| 20110228 | AAPL | 4.09% | 3.20% | 0.01% |
| 20110331 | AAPL | -1.33% | -0.10% | 0.01% |
| 20110429 | AAPL | 0.47% | 2.85% | 0.00% |
| 20110531 | AAPL | -0.66% | -1.35% | 0.00% |
| 20110630 | AAPL | -3.50% | -1.83% | 0.00% |
| 20110729 | AAPL | 16.33% | -2.15% | 0.00% |
| 20110831 | AAPL | -1.45% | -5.68% | 0.01% |
| 20110930 | AAPL | -0.91% | -7.18% | 0.00% |
| 20111031 | AAPL | 6.15% | 10.77% | 0.00% |
| 20111130 | AAPL | -5.58% | -0.51% | 0.00% |
| 20111230 | AAPL | 5.97% | 0.85% | 0.00% |
| 20120131 | AAPL | 12.71% | 4.36% | 0.00% |
| 20120229 | AAPL | 18.83% | 4.06% | 0.00% |
| 20120330 | AAPL | 10.53% | 3.13% | 0.00% |
| 20120430 | AAPL | -2.60% | -0.75% | 0.00% |
| 20120531 | AAPL | -1.07% | -6.27% | 0.01% |
| 20120629 | AAPL | 1.09% | 3.96% | 0.00% |
| 20120731 | AAPL | 4.58% | 1.26% | 0.00% |
| 20120831 | AAPL | 9.35% | 1.98% | 0.01% |
| 20120928 | AAPL | 0.28% | 2.42% | 0.01% |
| 20121031 | AAPL | -10.76% | -1.98% | 0.01% |
| 20121130 | AAPL | -1.24% | 0.28% | 0.01% |
| 20121231 | AAPL | -9.07% | 0.71% | 0.01% |
TXN
| date | TICKER | Stock Return | Market Return | Risk Free Return |
| 20080131 | TXN | -7.04% | -6.12% | 0.21% |
| 20080229 | TXN | -3.20% | -3.48% | 0.13% |
| 20080331 | TXN | -5.64% | -0.60% | 0.17% |
| 20080430 | TXN | 3.50% | 4.75% | 0.18% |
| 20080530 | TXN | 11.39% | 1.07% | 0.18% |
| 20080630 | TXN | -13.30% | -8.60% | 0.17% |
| 20080731 | TXN | -13.07% | -0.99% | 0.15% |
| 20080829 | TXN | 0.53% | 1.22% | 0.13% |
| 20080930 | TXN | -12.28% | -9.08% | 0.15% |
| 20081031 | TXN | -8.51% | -16.94% | 0.08% |
| 20081128 | TXN | -20.40% | -7.48% | 0.03% |
| 20081231 | TXN | -0.32% | 0.78% | 0.09% |
| 20090130 | TXN | -2.96% | -8.57% | 0.00% |
| 20090227 | TXN | -4.01% | -10.99% | 0.01% |
| 20090331 | TXN | 15.05% | 8.54% | 0.02% |
| 20090430 | TXN | 10.05% | 9.39% | 0.01% |
| 20090529 | TXN | 7.42% | 5.31% | 0.00% |
| 20090630 | TXN | 9.79% | 0.02% | 0.01% |
| 20090731 | TXN | 13.43% | 7.41% | 0.01% |
| 20090831 | TXN | 2.25% | 3.36% | 0.01% |
| 20090930 | TXN | -3.66% | 3.57% | 0.01% |
| 20091030 | TXN | -0.51% | -1.98% | 0.00% |
| 20091130 | TXN | 7.85% | 5.74% | 0.00% |
| 20091231 | TXN | 3.04% | 1.78% | 0.01% |
| 20100129 | TXN | -13.20% | -3.70% | 0.00% |
| 20100226 | TXN | 8.36% | 2.85% | 0.00% |
| 20100331 | TXN | 0.37% | 5.88% | 0.01% |
| 20100430 | TXN | 6.78% | 1.48% | 0.00% |
| 20100528 | TXN | -6.11% | -8.20% | 0.01% |
| 20100630 | TXN | -4.67% | -5.39% | 0.01% |
| 20100730 | TXN | 6.57% | 6.88% | 0.01% |
| 20100831 | TXN | -6.76% | -4.74% | 0.01% |
| 20100930 | TXN | 17.90% | 8.76% | 0.01% |
| 20101029 | TXN | 9.43% | 3.69% | 0.01% |
| 20101130 | TXN | 7.54% | -0.23% | 0.01% |
| 20101231 | TXN | 2.20% | 6.53% | 0.01% |
| 20110131 | TXN | 4.74% | 2.26% | 0.01% |
| 20110228 | TXN | 5.01% | 3.20% | 0.01% |
| 20110331 | TXN | -2.95% | -0.10% | 0.01% |
| 20110429 | TXN | 3.18% | 2.85% | 0.00% |
| 20110531 | TXN | -0.65% | -1.35% | 0.00% |
| 20110630 | TXN | -7.00% | -1.83% | 0.00% |
| 20110729 | TXN | -8.99% | -2.15% | 0.00% |
| 20110831 | TXN | -11.90% | -5.68% | 0.01% |
| 20110930 | TXN | 1.68% | -7.18% | 0.00% |
| 20111031 | TXN | 15.95% | 10.77% | 0.00% |
| 20111130 | TXN | -2.05% | -0.51% | 0.00% |
| 20111230 | TXN | -3.29% | 0.85% | 0.00% |
| 20120131 | TXN | 11.82% | 4.36% | 0.00% |
| 20120229 | TXN | 3.00% | 4.06% | 0.00% |
| 20120330 | TXN | 0.78% | 3.13% | 0.00% |
| 20120430 | TXN | -4.46% | -0.75% | 0.00% |
| 20120531 | TXN | -10.83% | -6.27% | 0.01% |
| 20120629 | TXN | 0.74% | 3.96% | 0.00% |
| 20120731 | TXN | -4.46% | 1.26% | 0.00% |
| 20120831 | TXN | 6.61% | 1.98% | 0.01% |
| 20120928 | TXN | -5.11% | 2.42% | 0.01% |
| 20121031 | TXN | 2.70% | -1.98% | 0.01% |
| 20121130 | TXN | 4.91% | 0.28% | 0.01% |
| 20121231 | TXN | 4.82% | 0.71% | 0.01% |
UTX
| date | TICKER | Stock Return | Market Return | Risk Free Return |
| 20080131 | UTX | -4.27% | -6.12% | 0.21% |
| 20080229 | UTX | -3.33% | -3.48% | 0.13% |
| 20080331 | UTX | -2.40% | -0.60% | 0.17% |
| 20080430 | UTX | 5.30% | 4.75% | 0.18% |
| 20080530 | UTX | -1.53% | 1.07% | 0.18% |
| 20080630 | UTX | -13.15% | -8.60% | 0.17% |
| 20080731 | UTX | 3.70% | -0.99% | 0.15% |
| 20080829 | UTX | 3.02% | 1.22% | 0.13% |
| 20080930 | UTX | -8.43% | -9.08% | 0.15% |
| 20081031 | UTX | -8.49% | -16.94% | 0.08% |
| 20081128 | UTX | -11.00% | -7.48% | 0.03% |
| 20081231 | UTX | 10.45% | 0.78% | 0.09% |
| 20090130 | UTX | -10.47% | -8.57% | 0.00% |
| 20090227 | UTX | -14.12% | -10.99% | 0.01% |
| 20090331 | UTX | 5.27% | 8.54% | 0.02% |
| 20090430 | UTX | 13.63% | 9.39% | 0.01% |
| 20090529 | UTX | 8.51% | 5.31% | 0.00% |
| 20090630 | UTX | -1.24% | 0.02% | 0.01% |
| 20090731 | UTX | 4.83% | 7.41% | 0.01% |
| 20090831 | UTX | 9.68% | 3.36% | 0.01% |
| 20090930 | UTX | 2.64% | 3.57% | 0.01% |
| 20091030 | UTX | 0.85% | -1.98% | 0.00% |
| 20091130 | UTX | 10.05% | 5.74% | 0.00% |
| 20091231 | UTX | 3.23% | 1.78% | 0.01% |
| 20100129 | UTX | -2.78% | -3.70% | 0.00% |
| 20100226 | UTX | 2.36% | 2.85% | 0.00% |
| 20100331 | UTX | 7.23% | 5.88% | 0.01% |
| 20100430 | UTX | 1.82% | 1.48% | 0.00% |
| 20100528 | UTX | -9.53% | -8.20% | 0.01% |
| 20100630 | UTX | -3.67% | -5.39% | 0.01% |
| 20100730 | UTX | 9.54% | 6.88% | 0.01% |
| 20100831 | UTX | -7.69% | -4.74% | 0.01% |
| 20100930 | UTX | 9.23% | 8.76% | 0.01% |
| 20101029 | UTX | 4.97% | 3.69% | 0.01% |
| 20101130 | UTX | 1.24% | -0.23% | 0.01% |
| 20101231 | UTX | 4.58% | 6.53% | 0.01% |
| 20110131 | UTX | 3.28% | 2.26% | 0.01% |
| 20110228 | UTX | 3.28% | 3.20% | 0.01% |
| 20110331 | UTX | 1.33% | -0.10% | 0.01% |
| 20110429 | UTX | 5.82% | 2.85% | 0.00% |
| 20110531 | UTX | -1.48% | -1.35% | 0.00% |
| 20110630 | UTX | 0.84% | -1.83% | 0.00% |
| 20110729 | UTX | -6.41% | -2.15% | 0.00% |
| 20110831 | UTX | -9.79% | -5.68% | 0.01% |
| 20110930 | UTX | -5.24% | -7.18% | 0.00% |
| 20111031 | UTX | 10.83% | 10.77% | 0.00% |
| 20111130 | UTX | -1.15% | -0.51% | 0.00% |
| 20111230 | UTX | -4.58% | 0.85% | 0.00% |
| 20120131 | UTX | 7.20% | 4.36% | 0.00% |
| 20120229 | UTX | 7.66% | 4.06% | 0.00% |
| 20120330 | UTX | -1.11% | 3.13% | 0.00% |
| 20120430 | UTX | -1.57% | -0.75% | 0.00% |
| 20120531 | UTX | -8.64% | -6.27% | 0.01% |
| 20120629 | UTX | 1.92% | 3.96% | 0.00% |
| 20120731 | UTX | -1.44% | 1.26% | 0.00% |
| 20120831 | UTX | 7.99% | 1.98% | 0.01% |
| 20120928 | UTX | -1.95% | 2.42% | 0.01% |
| 20121031 | UTX | -0.17% | -1.98% | 0.01% |
| 20121130 | UTX | 3.18% | 0.28% | 0.01% |
| 20121231 | UTX | 2.37% | 0.71% | 0.01% |