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 ...

When a project is running exactly as predicted, there is no time variance to worry about. When events are happening ahead of schedule or behind schedule, you have a variance, which could pose ...

A budget variance is a discrepancy between the predicted cost or revenue in a given account. A budget variance may include a revenue shortfall due to an inaccurate estimate, or a sudden and unexpected ...

Market size variance and market share variance are two ways of using market data to determine its effect on a company's profits. While the two terms are related, they calculate the effects of ...

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 ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...