Question

In: Finance

Portfolio X consists of 4 stocks which are A, B, C, and D. The information pertaining...

Portfolio X consists of 4 stocks which are A, B, C, and D. The information pertaining to the stocks, the portfolio and the market are given below:

Stock                    Investment         Beta

A                            $25,000               0.8

B                            $25,000               1.2

C                            $25,000               Not available

D                           $25,000               Not available

Portfolio X         $100,000             1   

Expected return of the market = 10% Risk-free rate = 4%

(a) Calculate the beta of Portfolio Y that is equally invested in stock A and stock B.          

(b) Compute the beta of Portfolio Z that is equally invested in stock C and stock D.          

(c) Suppose you sell all $25,000 invested in Stock A and use the proceeds to invest in Stock B. Calculate the resulting value of the beta of Portfolio X.            

(d) Compute the change in the expected return of Portfolio X resulting from your actions in part (c).          

(e) Discuss the likely circumstances where you would sell a stock with a lower beta and invest the proceeds in a stock with a higher beta, as in part (c).           

Solutions

Expert Solution

Stock                     Investment          Beta Wt. Beta
A                            25,000 0.8 0.2 <--(inv/portfolio total)*beta
B                            25,000 1.2 0.3 <--(inv/portfolio total)*beta
C                            25,000 NA 0.5
D                            25,000 NA <--Combined beta of these two stocks is 0.5 in the portfolio
Portfolio X               100,000 1 1
a) Stock                     Investment          Beta Wt. Beta
A                50% 0.8 0.4
B                50% 1.2 0.6
Portfolio Y beta 1.00
b) Stock                     Investment          Beta Wt. Beta
C 50% 0.5 0.25 <--Considering equal beta of both C & D
D 50% 0.5 0.25
Portfolio Y beta 0.50
c) Stock                     Investment          Beta Wt. Beta
A                                     -   0.8 0 <--No investment in A now
B                            50,000 1.2 0.6 <---25,000 from A invested in B thus wt. of B in portfolio is 50% now
C                            25,000 NA 0.5
D                            25,000 NA
Portfolio X               100,000 1 1.1
d) CAPM Rf+Beta*(Rm-Rf)
Rm 10%
Rf 4%
Change in expected return= New return -old expected return
New Return 10.6%
Old Return 10.0%
Change 0.6%

The above table gives the answers along with the case facts

e) ONe would invest in a high beta stock when they expect the market to move up in the future and hence the stock will move up more than the market due to its higher beta.

Please reach out for any further clarifications


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