Mean-variance analysis enables investors to construct a portfolio of assets that maximizes expected return for a given level of risk. In this framework, risk is defined by the variance of returns.

Calculating a company's financial variance can help with planning and budgeting in the future.

This paper shows how to perform sensitivity analysis for Mean-Variance (MV) portfolio problems using a general form of parametric quadratic programming. The analysis allows an investor to examine how ...

The following article will show you, step-by-step, how to calculate the historical variance of stock returns with a detailed example.