Learn how to calculate stock beta in Excel using historical price data and formulas—enhance your investment analysis with ...

A seasonal index is a way of measuring the seasonal variation -- that is, to measure the change that is due to seasonal changes in demand -- of a variable, typically sales. For example, a beachfront ...

Discover 87 Excel tips and tricks that will take you from a beginner to a pro. Improve your efficiency, productivity and skills with these helpful Excel techniques. Microsoft Excel was first released ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...