If you want to know the portfolio standard deviation for a three-stock portfolio, you will have to ________.

A) calculate two covariances and one trivariance
B) calculate only two covariances
C) calculate three covariances
D) average the variances of the individual stocks

Portfolio Standard Deviation

A statistical measure of the volatility of returns from a portfolio of assets, indicating the degree of investment risk.

Covariances

A measure that indicates the extent to which two variables change together, determining the degree of their correlation.