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 ...

Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for calculating fluctuations, depending on whether ...

Stock's historical variance measures its return stability over time. Higher variance indicates greater return unpredictability and risk. Calculate variance using Excel to simplify the process for ...

When reviewing cash flow data for your small business, knowing the standard deviation can help you determine if the numbers are out of whack. Calculating standard deviation manually can be ...

If you are searching for ways to transform your Excel monthly tasks into a more streamlined, effortless process, you might be interested in a new tutorial created by the team at Excel Off The Grid. If ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Amy is an ACA and the CEO and founder of OnPoint ...

What is Fixed Production Overhead Volume Efficiency Variance? Represents the difference between the sum that a company has budgeted for its fixed overhead costs and the actual cost, depending on ...

This article examines the empirical bias and efficiency of Parkinson's extreme-value variance estimator for common stocks using an extensive NYSE/AMEX data base. Bias and efficiency are analyzed as a ...

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 ...