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, ...

Historical volatility gauges the risk of securities through price dispersion. Understand its calculation and practical ...

The Nasdaq-100 is a very different index than the S&P500. It is technology dominant, excludes financials by design, and is historically underweight in many of the old economy stocks in the energy and ...

One of the most important risk factors when trading financial assets and their derivatives is the actual and historical volatility of the underlying asset that impacts the implied volatility used to ...