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 ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Look up a stock symbol at most sites and you’ll get a number that represents the stock’s beta. This is a statistic that measures the variance of a stock against the overall market. In theory, ...

In Part 3 of our series on modern portfolio theory, we discuss how R-squared can determine the usefulness of other MPT statistics. In a recent article, we went over how beta and other modern portfolio ...

R-squared – or the coefficient of determination – is a statistical measure that represents the percentage of a fund or security's movements that can be explained by movements in a benchmark index.

This post has been corrected. YESTERDAY a colleague covered some (not entirely serious) research hinting that Cambridge colleges that spent more on wine also had the best academic results (see chart ...