Question

In: Finance

Stocks A and B have the following historical returns: Year Stock A's Returns, rA Stock B's...

Stocks A and B have the following historical returns:

Year Stock A's Returns, rA Stock B's Returns, rB
2011 - 22.40% - 15.60%
2012 27.75 19.70
2013 10.00 37.00
2014 - 5.00 - 9.90
2015 23.75 2.90

a. Calculate the average rate of return for stock A during the period 2011 through 2015. Round your answer to two decimal places.
%_________

Calculate the average rate of return for stock B during the period 2011 through 2015. Round your answer to two decimal places.
%_________

b. Assume that someone held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would the realized rate of return on the portfolio have been each year? Round your answers to two decimal places. Enter a negative answer with a minus sign.

Year Portfolio
2011 %_____
2012 %_____
2013 %_____
2014 %_____
2015 %_____



What would the average return on the portfolio have been during this period? Round your answer to two decimal places.
%_______

c. Calculate the standard deviation of returns for each stock and for the portfolio. Round your answers to two decimal places.

Stock A Stock B Portfolio
Standard Deviation %______ %______ %______


d. Calculate the coefficient of variation for each stock and for the portfolio. Round your answers to two decimal places.

Stock A Stock B Portfolio
CV _______ _______ ________

e. Assuming you are a risk-averse investor, would you prefer to hold Stock A, Stock B, or the portfolio?
I.Stock A

II.Stock B

III. Portfolio

Solutions

Expert Solution

1)Calculation of average return, standard deviation and coefficient of variation for each stock and for the portfolio

-Stock A

Year Return(%) Deviation form avearge return (D) D^2
2011 -22.40 -29.22 853.81
2012 27.75 20.93 438.06
2013 10.00 3.18 10.11
2014 -5.00 -11.82 139.71
2015 23.75 16.93 286.62

Average Return = sum of returns/no. of returns

=( -22.4+27.75+10-5+23.75)/5

= 34.10/5

= 6.82 %

Variance = D^2 /n

= (853.81+438.06+10.11+139.71+286.62)/5

= 1728.32/5

= 345.664

Standard Deviation = Variance

= 345.664

= 18.59%

Coefficient of variation =Standard Deviation / Average Return

= 18.59/6.82

= 2.73

-Stock B

Year Return(%) Deviation form avearge return (D) D^2
2011 -15.60 -22.42 502.66
2012 19.70 12.88 165.89
2013 37.00 30.18 910.83
2014 -9.90 -16.72 279.56
2015 2.90 -3.92 15.37

Average Return = sum of returns/no. of returns

=(-15.6+19.7+37-9.9+2.9)/5

= 34.10/5

= 6.82 %

Variance = D^2 /n

= (502.66+165.89+910.83+279.56+15.37)/5

= 1874.31/5

= 374.862

Standard Deviation = Variance

= 374.862

= 19.36%

Coefficient of variation =Standard Deviation / Average Return

= 19.36/6.82

= 2.84

- Portfolio
Year Calculation realized rate of return
2011 -22.4*0.5+-15.6*0.5 -19.00
2012 27.75*.5+19.7*.5 23.73
2013 10*.5+37*.5 23.50
2014 -5*0.5+-9.9*0.5 -7.45
2015 23.75*.5+2.9*.5 13.33
Average Return (-19+23.73+23.5-7.45+13.33)/5 6.82
Year Return(%) Deviation form avearge return (D) D^2
2011 -19.00 -25.82 666.67
2012 23.73 16.91 285.78
2013 23.50 16.68 278.22
2014 -7.45 -14.27 203.63
2015 13.33 6.51 42.32

Variance = D^2 /n

= (666.67+285.78+278.22+203.63+42.32)/5

= 1476.62/5

= 295.324

Standard Deviation = Variance

= 295.324

= 17.18%

Coefficient of variation =Standard Deviation / Average Return

= 17.18/6.82

= 2.52

A risk-averse investor, also called as conservative investor will prefer low risk stock out of similar return stocks. Here portfolio has lower risk, to be selected.


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