Question

In: Finance

Use the information for securities X, Y and Z in the table below to answer parts...

Use the information for securities X, Y and Z in the table below to answer parts a and b:

Security X

Security Y

Security Z

Expected return

8%

8%

17%

Beta

0.7

1.3

2.5

The risk-free rate is 2% and the expected return of the market portfolio is 8%.

  1. According to the CAPM, are these securities overpriced, fairly priced or underpriced?
  2. Using the CAPM, calculate the abnormal return of a portfolio that takes a long position in security X by $35,000, a short position in security Y by $15,000, and a long position in security Z by $5,000.
  3. You have $100,000 and you want to set up a portfolio of security X and security Y with an abnormal return of 2.7% based on the CAPM. Specify the position to be taken (long or short) and the dollar amount to be invested in each security.

Solutions

Expert Solution

Formula of CAPM :

Expected Return = RiskFree Rate + beta*(Market's return - RiskFree Rate)

X = 2% + 0.7*(8%-2%) = 6.2%

X = 2% + 1.3*(8%-2%) = 9.8%

X = 2% + 2.5*(8%-2%) = 17%

By this formula we can get the following table:

BETA Return Given Return by CAPM
X 0.7 8% 6.20%
Y 1.3 8% 9.80%
Z 2.5 17% 17%

A.) If the Original Return(Return Given) is more than the CAPM return, the stock is underpriced and vice versa.

So, Here X is Underpriced, Y is Overpriced and Z is at fair value.

B.)

Expected Return(CAPM) Amount %in portfolio Return in portfolio
X 6.2% 35,000 63.64% 6.2%*63.64% = 3.95%
Y 9.8% 15,000 27.27% -9.8%*27.27% = -2.67
Z 17% 5,000 9.09% 17%*9.09% = 1.55
55,000 2.82%*55,000 = 1550

Here we have short Y, therefore negative return should be considered. Hence the abnormal return of the portfolio will be $1550.

C.) let us assume, we have taken long positions in both X and Y with x% of X, thus (100-x)% of Y. So, we can write the equation of the required return as: x*(6.2%) + (1-x)*(9.8%) = 2.7%, by solving it we get x = 1.97, which is not possible as x should be less than 1. So, now if we short Y than we have required return as: x*(6.2%) - (1-x)*(9.8%) = 2.7%, by solving this we get x = 0.78.

So, we have long position in X of 0.78*100,000 = $78,000. And Short position in Y of 0.22*100,000 = $22,000.

For any doubt or query, Please feel free to ask in comments. And Kindly like the solution. Thank You.


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