Your portfolio consists of $100,000 invested in a stock which has a beta = 0.8, $150,000 invested in a stock which has a beta = 1.2, and $50,000 invested in a stock which has a beta = 1.8. The risk-free rate is 7 percent. Last year this portfolio had a required rate of return of 13 percent. This year nothing has changed except for the fact that the market risk premium has increased by 2 percent (two percentage points). What is the portfolio's current required rate of return?© BrainMass Inc. brainmass.com June 3, 2020, 8:01 pm ad1c9bdddf
First calculate the portfolio beta
Portfolio beta = weighted average of the betas of the invested stocks
Thus, Portfolio beta = ...
Computations done by hand using formula. No references.