You have decided to invest in an equally weighted portfolio consisting of American Express, Proctor and Gamble , Home Depot, and E.I. du Pont and need to find the beta of your portfolio. Illustrate how to calculate the beta of the entire portfolio. Without adding new assets, how would you adjust the portfolio to make it more aggressive? Less aggressive
Beta of the entire equally weighted portfolio can be calculated
with following formula.
Since weights are same and there are four companies. hence weight =
1/4
Beta of the portfolio = 1/4* Beta of American Express + 1/4 *
Proctor and Gamble + 1/4* Home Depot + 1/4 * E.I. du Pont
Without adding new assets by increasing the weight on the asset
with higher beta or 100% weight on highest beta company this
portfolio can be made more aggressive.
This portfolio can be made least aggressive by increasing weight of
asset with least beta.
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