1. The following table presents the expected returns of three stocks and the risk free rate. Stock A B 4% Expected return What is the expected return and risk on an equally weighted portfolio composed of these four assets? The standard deviation of stock A is 10% and the covariance between A and B equals 0.0045. The correlation matrix between A, B and Cis: 8% 14% 4% Correl A В A 0.3 0.7 0.3 0.7 B 1 0.5 0.5 Combining stocks A and C in a portfolio in equal proportions will result in a variance of1.95%. 1

1. The following table presents the expected returns of three stocks and the risk free rate. Stock A B 4% Expected return What is the expected return and risk on an equally weighted portfolio composed of these four assets? The standard deviation of stock A is 10% and the covariance between A and B equals 0.0045. The correlation matrix between A, B and Cis: 8% 14% 4% Correl A В A 0.3 0.7 0.3 0.7 B 1 0.5 0.5 Combining stocks A and C in a portfolio in equal proportions will result in a variance of1.95%. 1

Essentials Of Investments

11th Edition

ISBN:9781260013924

Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.

Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.

Chapter1: Investments: Background And Issues

Section: Chapter Questions

Problem 1PS

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b) Suppose that you observe the following information in Table 2 for stocks A and B: Table 2 Expected Return (%) 11% Stock Beta A 0.8 В 14% 1.5 The risk-free rate of return is 6% and the expected rate of return on the market index is 12%. Using the Single-Index Model, calculate the alpha of both stocks. Show your calculations. Explain what the alpha of the single-factor model represents and interpret your results.
Which of the following statement(s) is(are) true? 1) The real rate of interest is determined by the supply and demand for funds. II) The real rate of interest is determined by the expected rate of inflation. III) The real rate of interest is unaffected by actions of the Fed. IV) The real rate of interest is equal to the nominal interest rate plus the expected rate of inflation. III and IV only. I only. OII and III only. O, II, III, and IV only. OI and III only.
9. A portfolio is composed of two stocks, Stock A and B. The standard deviation of return for Stock A is 50% and for Stock B it is 40%. If the covariance between the returns for Stock A and Stock B is -0.04, compute the correlation coefficient between the returns for Stock A and Stock B.
Consider the following probability distribution for stocks A and B: State Probability Return on Stock A Return on Stock B 1 0.10 10% 8% 2 0.20 13% 7% 3 0.20 12% 6% 4 0.30 14% 9% 5 0.20 15% 8% The coefficient of correlation between A and B is:
Below are standard deviations of four stocks: M, N, O and P. Stock M N O P Standard deviation 12% 20% 15% 30% 1. Which stock is the riskest? 2. Based on the risk-return tradeoff, which stock should provide the highest 3. If stock O provides a higher return than stock P, what should happen?
Stock A has a correlation with the market of 0.53. Assuming that the standard deviation of returns for Stock A is 24.0% and that the standard deviation of returns for the market is 10.0%, what is beta for stock A? A 1.31 B. 1.27 C. 0.17 D. 0.22
Consider the following information on Stocks I and II: The market risk premium is 8 percent and the risk-free rate is 40.5 percent. a-1. What is the beta of each stock? Note: Do not round Intermedlate calculations. Round your answers to 2 decimal places. a-2. Which stock has the most systematic risk? Stock I Stock II b-1. What is the standard deviation of each stock? Note: Do not round Intermedlate calculations. Enter your answers as a percent rounded to 2 decimal places. b.2. Which one has the most unsystemstic risk? Stock I Stock II c. Which stock is "riskier"? Stock I Stock II
Portfolio theory with three assets Estimated covariances between three stocks are shown in the following table. The expected returns for the three stocks are 11% (A), 9% (B) and 4% (C), respectively A B C A 0.0225 0.0030 -0.0009 B 0.0030 0.0100 -0.0012 -0.0009 -0.0012 0.0036 Note: All returns and covariance matrix are on an annual basis A) Calculate the expected return and standard deviation of the portfolio if it is equally split between A and B B) Calculate the expected return and standard deviation of the portfolio if it is equally split between A,B and C C) Compare the portfolio in answer (a) and the portfolio in answer (b) using the sharpe ratio. Assuming the current annual risk-free rate is 3%
Suppose you are given the following information about 2 stocks, what is the Sharpe Ratio of a portfolio weighted 55% in stock A and 45% in stock B? E(RA)=16% E(RB)=8% σA=22% σB=12% σA,B=−0.003696 rf=3% Enter rate in decimal form, rounded to 4th digit, as in "0.1234"
v.2
The index model for stock A has been estimated with the following result: RA = 0.01 + 0.9RM + eA. If σM = 0.25 and R2A = 0.25, the standard deviation of return of stock A is:
Suppose you are given the following information about 2 stocks, what is the return standard deviation of a portfolio weighted 55% in stock A and 45% in stock B? E(RA)=16% E(RB)=8% σA=22% σB=12% σA,B=−0.003696 Enter rate in decimal form, rounded to 4th digit, as in "0.1234"

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