Finace Investment . Efficient Diversification

DUY DAY  today 8p.m NEW YORK TIMES

Intro

You found the expected returns and variance-covariance matrix of returns for 3 stocks:

          Amazon       Walmart          Exxon

E(r)     36.9%           16.8%          4.5%

                            Amazon       Walmart          Exxon  

Amazon             0.36   

Walmart            0.06                 0.16  

Exxon                0.1                  0.07                  0.09

Attempt 1/10 for 9.5 pts.

Part 1

1) Find portfolio weights, portfolio standard deviation when E(rp)=20% on the Efficient Frontier.

2) Find portfolio weights, portfolio standard deviation and portfolio expected return for the minimum variance portfolio.

3) Find portfolio weights, portfolio standard deviation and portfolio expected return for the optimal risky portfolio. Assume risk-free rate is 0.5%.