Variance is a key statistical measure that represents the degree of spread or dispersion in a dataset. It quantifies how much individual data points differ from the mean (average) value of the dataset ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Suzanne is a content marketer, writer, and ...

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 ...

Successful investing requires the ability to distinguish long-term trends from the short-term noise that moves stock prices on a minute-to-minute basis. One way to tune out the random oscillations and ...

Excel makes quick work of tracking time. With the right formatting, formula and dependent time values, you can return the hours worked for a given day, week, month and so on. If all you’re doing is ...

Calculating returns from your stock portfolio can be a tricky matter, especially if some of your holdings pay dividends, or you make frequent deposits and withdrawals from your account. With Excel and ...

Alpha is a valuable measure used by finance professionals to assess the performance of an investment compared to its benchmark index. It shows the excess return generated by an asset while considering ...