In: Finance
Here are the returns on two stocks.
|
Digital Cheese |
Executive Fruit |
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|
January |
+17 |
+7 |
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|
February |
−3 |
+2 |
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|
March |
+5 |
+4 |
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|
April |
+7 |
+15 |
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|
May |
−4 |
+3 |
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|
June |
+3 |
+5 |
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|
July |
−2 |
−3 |
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|
August |
−8 |
−2 |
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Required:
a-1. Calculate the variance and standard deviation of each stock.
a-2. Which stock is riskier if held on its own?
b. Now calculate the returns in each month of a portfolio that invests an equal amount each month in the two stocks.
c. Is the variance more or less than halfway between the variance of the two individual