Question

Stock A B C D E Amount $1,000,000 675,000 750,000 500,000 75,000 Beta 1.2 0.5 1.4...

Stock

A

B

C

D

E

Amount

$1,000,000

675,000

750,000

500,000

75,000

Beta

1.2

0.5

1.4

0.75

-1.3

Assume the portfolio manager has invested $3 million in the following common stocks, what is the beta of the portfolio?   

A.

0.96

B.

1.02

C.

0.51

D.

1.03

answers C is incorrect. which one is correct and why?

Homework Answers

Answer #1

Answer - Option (a) = 0.96

Calculation :-

Total Amount Invested = $3million or $3000000

Step 1 - Find out the weights of each stock :-

Weight of Stock A = $1000000 / $3000000 = 0.333333

Weight of Stock B = $675000 / $3000000 = 0.225

Weight of Stock C = $750000 / $3000000 = 0.25

Weight of Stock D = $500000 / $3000000 = 0.166667

Weight of Stock E = $75000 / $3000000 = 0.025

Step 2 - Calculate Weighted Average of Beta :-

Beta A = 0.333333 x 1.2 = 0.40

Beta B = 0.225 x 0.5 = 0.1125

Beta C = 0.25 x 1.4 = 0.35

Beta D = 0.166667 x 0.75 = 0.125

Beta E = 0.025 x -1.3 = (-)0.0325

Step 3 - Calculate Beta of the Portfolio by simply adding all the Beta's calculated in Step 2

Beta of the Portfolio = 0.40 + 0.1125 + 0.35 + 0.125 + (-)0.0325

Beta of the Portfolio = 0.955 or 0.96

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