A stock's historical variance measures the difference between the stock's returns for different periods and its average return. A stock with a lower variance typically generates returns that are ...

Even the best budgets rarely turn out exactly the way that planners expect. Whenever you're planning in advance for a period of time, you'll inevitably make some mistakes in your estimates, and it's ...

Learn how to calculate and display variance inside Excel pivot tables. Perfect for financial analysis, reporting, and data ...

A good tool to ask the right questions. A company's planned budget at the beginning of the year will always end up being different from how the year actually plays out. It's just impossible to predict ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...

This is a preview. Log in through your library . Abstract This paper applies Talpaz, Harpaz, and Penson's (THP) (1983) mean-variance-instability portfolio selection model to eight selected Taiwan ...