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 ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Cost and schedule variance data are part of earned value analysis, which is a tool that small and large businesses use as an early-warning system to identify and manage problems in ongoing projects.

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 ...

Small businesses often estimate their inventory. If you operate your business on the basis of inaccurate inventory figures, however, you may experience stock outs -- running out of products when ...

Identify budget overages and savings to forecast future costs more accurately. Use variance analysis to pinpoint operational areas needing financial adjustment. Regularly update budgets based on ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

This is a preview. Log in through your library . Abstract Group replacement policies for machines operating in parallel are generally evaluated by computing the associated expected cost per unit time.

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 ...