Volatility refers to the degree of variation in the price or value of an asset, security, or market over a specific period, typically measured by the standard deviation or variance of returns. It ...

Forbes contributors publish independent expert analyses and insights. Dan Irvine is an investment manager covering market trends. Volatility, a measure of an asset's price fluctuations around its mean ...

In recent months, it has not been unusual to see the value of major stock indexes, such as the S&P 500, change by as much as 3% in a single day. Unfortunately for many investors, the general direction ...

With investments, volatility refers to changes in an asset's or market's price — especially as measured against its usual behavior or a benchmark. Volatility is often expressed as a percentage: If a ...

Why are the prices of stocks and other assets so volatile? Efficient capital markets theory implies that stock prices should be much less volatile than actually observed, reflecting an unrealistic ...

Annualized volatility is calculated as standard deviation times square root of periods. High annualized volatility indicates greater price variability and potential risk. Investors use annualized ...

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 ...

A version of this article was published in the February 2019 issue of Morningstar ETFInvestor. Download a complimentary copy of Morningstar ETFInvestor by visiting the website. Momentum and low ...