Question

Consider the following information about three stocks. Assume you create your own portfolio and the weightage...

Consider the following information about three stocks. Assume you create your own portfolio and the weightage of the portfolio for the following stock is as follows: 50% of stock A, 30% of stock B and 20% of stock C.

Nigeria Economy Probability of Happening stock A stock B stock C
Expansion 0.4 26% 40% 50%
Normal 0.3 20% 30% 35%
Recession 0.3 15% 25% 10%

Required:

1) Find the portfolio expected return. (Hint: Only one answer.)

2) Find the standard deviation?

Homework Answers

Answer #1

Solution :-

(i)

Expected Return of Stock A = ( 0.40 * 26% ) + ( 0.30 * 20% ) + ( 0.30 * 15% ) = 20.9%

Expected Return of Stock B = ( 0.40 * 40% ) + ( 0.30 * 30% ) + ( 0.30 * 25% ) = 32.5%

Expected Return of Stock C = ( 0.40 * 50% ) + ( 0.30 * 35% ) + ( 0.30 * 10% ) = 33.5%

Now Portfolio Expected Return = ( 0.50 * 20.9% ) + ( 0.30 * 32.5%) + ( 0.20 * 33.5% ) = 26.90%

(ii)

Now Variance = 0.50 * ( 20.9% - 26.90% )2 + 0.30 * ( 32.5% - 26.90% )2 + 0.20 * ( 33.5% - 26.90% )

= 36.12%

Standard Deviation = ( 36.12% )1/2 = 6.01%

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