Consider the following sample of annual holding period returns on Masco (a corporation) and the S&P500 Stock Index (includes dividends and capital gains). Assume that the Market Portfiolio is composed of individual US stocks only, so that the S&P 500 Stock Index is a good proxy of the Market Portfolio. Date r S&P500 1-Nov-07 1-Nov-06 1-Nov-05 1-Nov-04 3-Nov-03 1-Nov-02 1-Nov-01 -0.0749 0.0165 0.0352 0.0386 0.0071 0.0571 0.0752 r Masco -0.0756 0.0374 0.0444 0.0294 -0.0109 -0.0188 0.0626

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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Consider the following sample of annual holding period returns on Masco (a corporation) and the
S&P500 Stock Index (includes dividends and capital gains). Assume that the Market Portfiolio is
composed of individual US stocks only, so that the S&P 500 Stock Index is a good proxy of the
Market Portfolio.
Date
r S&P500
1-Nov-07
1-Nov-06
1-Nov-05
1-Nov-04
3-Nov-03
1-Nov-02
1-Nov-01
1-Nov-00
1-Nov-99
2-Nov-98
3-Nov-97
1-Nov-96
1-Nov-95
1-Nov-94
1-Nov-93
2-Nov-92
1-Nov-91
1-Nov-90
1-Nov-89
1-Nov-88
2-Nov-87
-0.0749
0.0165
0.0352
0.0386
0.0071
0.0571
0.0752
-0.0801
0.0191
0.0591
0.0446
0.0734
0.0410
-0.0395
-0.0129
0.0303
-0.0439
0.0599
0.0165
-0.0189
-0.0853
r Masco
-0.0756
0.0374
0.0444
0.0294
-0.0109
-0.0188
0.0626
0.0331
-0.1684
0.0242
0.0724
0.1641
0.0488
-0.0640
0.0748
0.0693
-0.1203
0.0675
0.0146
-0.0806
-0.1607
a) Use Excel to calculate Masco's beta given the data above.
b) Use the data sample and your answer to b) to estimate the expected return on Masco
stock according to the CAPM and according to the historical method. Assume that the
risk-free rate is 4.5% per year.
What is the alpha of Masco? Is the stock underpriced or overpriced according to the
CAPM?
Transcribed Image Text:Consider the following sample of annual holding period returns on Masco (a corporation) and the S&P500 Stock Index (includes dividends and capital gains). Assume that the Market Portfiolio is composed of individual US stocks only, so that the S&P 500 Stock Index is a good proxy of the Market Portfolio. Date r S&P500 1-Nov-07 1-Nov-06 1-Nov-05 1-Nov-04 3-Nov-03 1-Nov-02 1-Nov-01 1-Nov-00 1-Nov-99 2-Nov-98 3-Nov-97 1-Nov-96 1-Nov-95 1-Nov-94 1-Nov-93 2-Nov-92 1-Nov-91 1-Nov-90 1-Nov-89 1-Nov-88 2-Nov-87 -0.0749 0.0165 0.0352 0.0386 0.0071 0.0571 0.0752 -0.0801 0.0191 0.0591 0.0446 0.0734 0.0410 -0.0395 -0.0129 0.0303 -0.0439 0.0599 0.0165 -0.0189 -0.0853 r Masco -0.0756 0.0374 0.0444 0.0294 -0.0109 -0.0188 0.0626 0.0331 -0.1684 0.0242 0.0724 0.1641 0.0488 -0.0640 0.0748 0.0693 -0.1203 0.0675 0.0146 -0.0806 -0.1607 a) Use Excel to calculate Masco's beta given the data above. b) Use the data sample and your answer to b) to estimate the expected return on Masco stock according to the CAPM and according to the historical method. Assume that the risk-free rate is 4.5% per year. What is the alpha of Masco? Is the stock underpriced or overpriced according to the CAPM?
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