Try finding correlations between pairs of stocks in the same industry. Are the correlations higher than those you found in part (b)? Is this surprising?
Go to finance.yahoo.com and fi Show more d really appreciate it if someone could help me out! Thanks! 1. Go to finance.yahoo.com and find them monthly rates of return over a 2 year period for five companies of your choice. Now assume you form each month an equally weighted portfolio of five firms (a portfolio with equal investments in each firm). What is the rate of return each month on your portfolio? Compare the standard deviation of the monthly portfolio return to that of each and to the average standard devation across the five firms. What do you conclude about the portfolio diversification? 2. Return to the monthly returns of the five companies of the five companies you chose in the pervious question. a. Using the Excel functions for average(AVERAGE) and sample standard deviation(STDEV) calculate the average and the standard deviation of the returns for each of the firms. b. Using Excels correlation function (CORREL) find the correlation between each pair of five stocks. What are the highest and lowest correlation? c. Try finding correlations between pairs of stocks in the same industry. Are the correlations higher than those you found in part (b)? Is this surprising?