A collection of financial assets and securities is referred to as a portfolio. Most individuals and institutions invest in a portfolio, making portfolio risk analysis an integral part of finance. Just like standalone assets and securities, portfolios are also exposed to risk. Portfolio risk refers to the possibility that an investment portfolio will not generate the expected rate of return. Analyzing portfolio risk and return involves the understanding of expected returns from a portfolio. Consider the following case: Lorenzo is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the following table: Stock Percentage of Portfolio Expected Return Standard Deviation Artemis Inc. 20% 8.00% 28.00% Babish & Co. 30% 14.00% 32.00% Cornell Industries 35% 12.00% 35.00% Danforth Motors 15% 3.00% 37.00% The expected return on Lorenzo’s stock portfolio is . Suppose each stock in the preceding portfolio has a correlation coefficient of 0.4 (ρ = 0.4) with each of the other stocks. The market’s average standard deviation is around 20%, and the weighted average of the risk of the individual securities in the partially diversified portfolio of four stocks is 33%. If 40 additional, randomly selected stocks with a correlation coefficient of 0.3 with the other stocks in the portfolio were added to the portfolio, what effect would this have on the portfolio’s standard deviation (σpσp)? It would gradually settle at about 20%. It would decrease gradually, settling at about 0%. It would stay constant at 33%. It would gradually settle at about 50%.
A collection of financial assets and securities is referred to as a portfolio. Most individuals and institutions invest in a portfolio, making portfolio risk analysis an integral part of finance. Just like standalone assets and securities, portfolios are also exposed to risk. Portfolio risk refers to the possibility that an investment portfolio will not generate the expected rate of return. Analyzing portfolio risk and return involves the understanding of expected returns from a portfolio. Consider the following case: Lorenzo is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the following table: Stock Percentage of Portfolio Expected Return Standard Deviation Artemis Inc. 20% 8.00% 28.00% Babish & Co. 30% 14.00% 32.00% Cornell Industries 35% 12.00% 35.00% Danforth Motors 15% 3.00% 37.00% The expected return on Lorenzo’s stock portfolio is . Suppose each stock in the preceding portfolio has a correlation coefficient of 0.4 (ρ = 0.4) with each of the other stocks. The market’s average standard deviation is around 20%, and the weighted average of the risk of the individual securities in the partially diversified portfolio of four stocks is 33%. If 40 additional, randomly selected stocks with a correlation coefficient of 0.3 with the other stocks in the portfolio were added to the portfolio, what effect would this have on the portfolio’s standard deviation (σpσp)? It would gradually settle at about 20%. It would decrease gradually, settling at about 0%. It would stay constant at 33%. It would gradually settle at about 50%.
Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
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A collection of financial assets and securities is referred to as a portfolio. Most individuals and institutions invest in a portfolio, making portfolio risk analysis an integral part of finance. Just like standalone assets and securities, portfolios are also exposed to risk. Portfolio risk refers to the possibility that an investment portfolio will not generate the expected rate of return .
Analyzing portfolio risk and return involves the understanding of expected returns from a portfolio.
Consider the following case:
Lorenzo is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the following table:
|
Stock
|
Percentage of Portfolio
|
Expected Return
|
Standard Deviation
|
|---|---|---|---|
| Artemis Inc. | 20% | 8.00% | 28.00% |
| Babish & Co. | 30% | 14.00% | 32.00% |
| Cornell Industries | 35% | 12.00% | 35.00% |
| Danforth Motors | 15% | 3.00% | 37.00% |
The expected return on Lorenzo’s stock portfolio is .
Suppose each stock in the preceding portfolio has a correlation coefficient of 0.4 (ρ = 0.4) with each of the other stocks. The market’s average standard deviation is around 20%, and the weighted average of the risk of the individual securities in the partially diversified portfolio of four stocks is 33%.
If 40 additional, randomly selected stocks with a correlation coefficient of 0.3 with the other stocks in the portfolio were added to the portfolio, what effect would this have on the portfolio’s standard deviation (σpσp)?
It would gradually settle at about 20%.
It would decrease gradually, settling at about 0%.
It would stay constant at 33%.
It would gradually settle at about 50%.
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