The Heston Model is a tool for pricing European options using stochastic volatility rather than constant volatility. This model considers the correlation between a stock’s price and its volatility, ...

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, ...

Stochastic volatility models provide a framework in which the variability of asset returns is itself a random process, addressing empirical features such as volatility clustering, leverage effects and ...

Although intraday volatility has been studied extensively for many asset classes, there are still important questions to be answered: Is the unconditional mean diurnal profile time-invariant? Does ...