Discover how standard deviation calculates investment risk and market volatility, helping investors make informed decisions.

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, ...

As new traders flood the market, a return to the basics may help novices understand the fundamentals of options trading. Volatility, for example, refers to the propensity of a security's price to move ...

Volatility refers to the extent of price fluctuations for a given asset or market. Historically, volatility has been inversely correlated with the stock market. When stock markets rally, volatility ...