Z-Score vs. Standard Deviation: Key Differences in Volatility Measurement

Learn the differences between Z-Score and Standard Deviation. Discover how they are calculated and used to evaluate market ...
Morningstar

What is Standard Deviation and how to interpret it?

Standard deviation is a widely used metric to ascertain the investment risk of mutual funds. The concept of Standard Deviation becomes important when you invest in a market-linked product like mutual ...
Investopedia

Standard Deviation Formula and Uses, vs. Variance

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Dr. JeFreda R. Brown is a financial consultant, ...
Yahoo Finance

Here's What Nerds Mean When They Say 'Standard Deviation'

Flickr via Google Images Standard deviation is a concept that's thrown around frequently in finance. So what is it? When working with a quantitative data set, one of the first things we want to know ...
Morningstar

Standard Deviation: In Defense of an Often-Dismissed Investing Metric

In response to my article, Is the Stock Market Too Concentrated?, which relied upon standard-deviation calculations to assess investment risk, a reader wrote: “My problem [with your argument] is ...