Learn what volatility means in investing, how it's measured, and why it matters for your portfolio.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Option buyers should be wary when implied volatility appears to be running much higher than historical Today we are taking a closer look at volatility -- specifically, what it means when there is an ...

Volatility is how much an investment or the stock market's value fluctuates over time. You can think of volatility in investing just as you would in other areas of your life. A person with a volatile ...

Market Volatility is a financial term that refers to the degree of fluctuation in the prices of securities, assets, or financial instruments within a specific market or across various markets over a ...

Volatility trading is different from other types of trading, yet it can be a profitable form of playing the stock market for those interested in pursuing it. Everyday trading tends to focus on the ...

Volatility influences options prices because dramatic price swings amplify gains and losses. While traders can’t look at a crystal ball to see how much volatility the market will endure, implied ...

A volatility crush is the term used to describe the result of implied volatility exploding once the market opens higher or lower than where it closed the previous day. For new investors, implied ...

Volatility is a measure of risk that is the statistical quantification of a security's possible investment returns. In short, it means large swings in price over a short period of time. Volatility in ...