325.1
Month 1 |
Month 2 |
Month 3 |
|
| Stock A | +4% |
-1% |
+6% |
1.What is the expected monthly return and standard deviation of the monthly returns for this stock? (3pts)
The expected return just equals the average of the historical returns, so
E[R] = [.04+(-.01)+.06]/3 =0.03
To get the standard deviation, we first find the variance:
We found the average return in the first part. In this formula, the R with a bar over it stands for average return. Thus, the variance is: