Volatility is a term used to refer to the variation in a trading price over time. The broader the scope of the price variation, the higher the volatility is considered to be. For example, a security ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Marc Davis is the author of several books and has 20+ years of experience writing about business, finance, and economics. Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education ...