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, ...

It is common for individual stock volatility to exceed index volatility. Diversification naturally dampens aggregate movement ...

Kappa measures an option's sensitivity to changes in volatility, affecting its price. Learn its definition, how it works, and how it is measured effectively.

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 ...