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

Imagine investing in a promising project, only to realize years later that it’s taking far longer than expected to recoup your initial outlay. Wouldn’t it have been invaluable to know upfront how long ...

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 ...