Question

In: Accounting

The following information indicates percentage returns for stocks L and M over a 6-year period: Year...

The following information indicates percentage returns for stocks L and M over a 6-year period:

Year

Stock L Returns

Stock M Returns

1

14.65%

20.28%

2

14.27%

18.83%

3

16.87%

16.47%

4

17.61%

14.61%

5

18%

12.37%

6

19.84%

10.64%

In combining [LM] in a single portfolio, stock M would receive 60% of capital funds.

Furthermore, the information below reflects percentage returns for assets F, G, and H over a 4-year period, with asset F being the base instrument:

Year

Asset F Returns

Asset G Returns

Asset H Returns

1

16.47%

17.03%

14.16%

2

17.2%

16.27%

15.01%

3

18.17%

15.32%

16.35%

4

19.12%

14.44%

17.43%

Using these assets, you have a choice of either combining [FG] or [FH] in a single portfolio, on an equally-weighted basis.

Required: Calculate the absolute percentage difference in the coefficient of variation (CV) between the stock portfolio [LM] and the portfolio which outlines the optimal combination of assets.

Answer% Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places (for example: 28.31%).

Solutions

Expert Solution

Solution:

A) Expected Return of Portfolio L-M:

Year Stock L Stock M Portfolio return(L*0.4+M*0.6)
1 14.65% 20.28% 18.03%
2 14.27% 18.83% 17.01%
3 16.87% 16.47% 16.63%
4 17.61% 14.61% 15.81%
5 18.00% 12.37% 14.62%
6 19.84% 10.64% 14.32%
Expected Return of Portfolio L-M 16.07%

Standard Deviation of Portfolio L-M:

Year Portfolio return Mean of Pf Return Deviation from Mean Square of Deviations
1 18.03% 16.07% 1.96% 0.04%
2 17.01% 16.07% 0.94% 0.01%
3 16.63% 16.07% 0.56% 0.00%
4 15.81% 16.07% -0.26% 0.00%
5 14.62% 16.07% -1.45% 0.02%
6 14.32% 16.07% -1.75% 0.03%
Total 0.10%
Standard Deviation = Square root of 0.10%/6 1.31%

Coefficient of Variation of Portfolio L-M = (SD of Portfolio / Portfolio Mean)*100 = 1.31/16.07 * 100 = 8.15%

B)

Expected Return of Portfolio F-G:

Year Stock F Stock G Portfolio return(F*0.5+G*0.5)
1 16.47% 17.03% 16.75%
2 17.20% 16.27% 16.74%
3 18.17% 15.32% 16.75%
4 19.12% 14.44% 16.78%
Expected Return of Portfolio F-G 16.75%

Standard Deviation of Portfolio F-G:

Year Portfolio return Mean of Pf Return Deviation from Mean Square of Deviations
1 16.75% 16.75% 0.00% 0.00%
2 16.74% 16.75% -0.02% 0.00%
3 16.75% 16.75% -0.01% 0.00%
4 16.78% 16.75% 0.03% 0.00%
Total 0.00%
Standard Deviation = Square root of 0.10%/6 0.01%

Expected Return of Portfolio F-H:

Year Stock F Stock H Portfolio return(F*0.5+H*0.5)
1 16.47% 14.16% 15.32%
2 17.20% 15.01% 16.11%
3 18.17% 16.35% 17.26%
4 19.12% 17.43% 18.28%
Expected Return of Portfolio F-H 16.74%

Standard Deviation of Portfolio F-H:

Year Portfolio return Mean of Pf Return Deviation from Mean Square of Deviations
1 15.32% 16.74% -1.42% 0.02%
2 16.11% 16.74% -0.63% 0.00%
3 17.26% 16.74% 0.52% 0.00%
4 18.28% 16.74% 1.54% 0.02%
Total 0.05%
Standard Deviation = Square root of 0.10%/6 0.92%

As we can observe, among Portfolios FG and FH, both offer approximately same returns but if we were to choose one between them, we choose Portfolio FG as it has little to none standard deviation i.e., the portfolio is less volatile compared to Portfolio FH. Therefore, the optimal portfolio among the two is FG.

Coefficient of Variation for Portfolio F-G = 0.01/16.75 * 100 = 0.06%

Hence,

Difference in Coefficient of Variation for L-M and F-G = 8.15 - 0.06 = 8.09%


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