Average return and volatility for each stock

Reference no: EM132753901

Question 1: Using the data in the following table, estimate (a) the average return and volatility for each stock, (b) the covariance between the stocks, and (c) the correlation between these two stocks. Year

Year 2004 2005 2006 2007 2008 2009

Stock A -10% 20% 5% -5% 2% 9%

Stock B 21% 7% 30% -3% - 8% 25%

Question 2: Use the data in last problem, consider a portfolio that maintains a 50% weight on stock A and a 50% weight on stock B.

a. What is the return each year of this portfolio?
b. Based on your results from part a, compute the average return and volatility of the portfolio.
c. Show that (i) the average remm of the portfolio is equal to the average of the average returns of the two stocks, and (ii) the volatility of the portfolio equals the same result as from the calculation in Eq. 11.9.
d. Explain why the portfolio has a lower volatility than the average volatility of the two stocks.

Reference no: EM132753901

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