Consider the following information:
State Probability Stock A Stock B Stock C
Boom 0.32 0 0.25 0.19
Bust 0.68 0.25 0.08 0.16
What is the expected return of a portfolio that has invested $9,242 in Stock A, $7,934 in Stock B, and $7,984 in Stock C? (Hint: calculate weights of each stock first). Enter the answer with 4 decimals (e.g. 0.1234).
Below table shows the calculations and the given information:
Returns | |||||
State | Probability | A | B | C | Total |
Boom | 0.32 | 0.00% | 25.00% | 19.00% | |
Bust | 0.68 | 25.00% | 8.00% | 16.00% | |
Amount invested | 9242 | 7934 | 7984 | 25160 | |
Weight | 36.7329% | 31.5342% | 31.7329% | ||
Probability Weighted Returns | |||||
Boom | 0.32 | 0.0000% | 2.5227% | 1.9294% | 4.4521% |
Bust | 0.68 | 6.2446% | 1.7155% | 3.4525% | 11.4126% |
Weights = amount invested in stock/total amount invested
Probability weighted return = probability of state x weight of stock x return of stock
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