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Three investors, Bill, Jill, and Mill, invest in individual securities. The table below shows the expected annual returns, expected standard deviation, and the correlation between their security and the market.
| Investor | Expected Annual Return (%) | Expected Standard Deviation (%) | Correlation between the security and the market |
| Bill | 15 | 21 | 0.85 |
| Jill | 12 | 21 | 0.75 |
| Mill | 12 | 28 | 0.65 |
The following information is available for the market:Expected Annual Return:11%
Expected Standard Deviation: 16%
Which investor is most likely to be exposed to the highest total risk?
Expected Standard Deviation: 16%
Which investor is most likely to be exposed to the highest total risk?
The highest total risk is calculated based on the highest total variance.
Bill: 0.21² = 0.0441
Jill: 0.21² = 0.0441
Mill: 0.28² = 0.0784
Thus Mill is exposed to the highest total risk.

