— -- Q: Why is standard deviation used by some investors to measure risk? A: Measuring risk can be a pretty straight-forward exercise. When it comes to figuring the odds of an accident while ...

Standard deviation is a measurement of market volatility. Learn how investors use standard deviation in the MoneySense Glossary. Standard deviation (σ) is an investing metric used to measure the ...

While presenting “Reporting and Analyzing PPC Campaigns” at SES New York last month, I noticed that many participants were interested in learning more about how to meticulously analyze campaign ...

Standard deviation is a common statistical measurement and is defined by Oxford Dictionaries as: ‘A quantity expressing by how much the members of a group differ from the mean value for the group.’ In ...

Volatility is the bane of many investors. Bumpy moves in your portfolio in response to market fluctuations can cause you to make emotionally driven mistakes in your investing, and that can cause you ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Portfolio variance is a measure of the dispersion of returns of a portfolio.