Question - Below are hypothetical returns for the stocks of two companies.
a. Calculate the average returns and standard deviations for the two stocks
Year Stock A's Return Stock B's Return
1 12% 4%
2 25% 10%
3 15% 5%
4 -12% -6%
5 18% 3%
6 55% 25%
7 10% 8%
8 3% 15%
9 -7% -2%
10 16% 10%
b. Assume you have a portfolio comprised of 70% Stock A and 30% stock B. Given a correlation of the returns between the two stocks of 0.8267, calculate the variance and the standard deviation of the combined portfolio.