An analyst is given the following information:
• The standard deviation of the equal-weighted portfolio is 20%.
• The standard deviation of the randomly selected security is 25%.
The diversification ratio of the randomly selected security is closest to:
The diversification ratio is
calculated as the ratio of the standard deviation of the equal-weighted
portfolio to the standard deviation of the randomly selected security. Thus,
the diversification ratio is 0.20/0.25 = 0.80.