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 ...

Volatility modeling is no longer just about pricing derivatives—it's the foundation for modern trading strategies, hedging precision, and portfolio optimization. Whether you're trading gold futures, ...

We extend the existing small-time asymptotics for implied volatilities under the Heston stochastic volatility model to the multifactor volatility Heston model, which is also known as the Wishart ...

Whether the financial markets are turbulent or calm, the subject of volatility has been of great interest to quants for decades. Some of the pioneering research was published in the mid-1990s, ...

With investments, volatility refers to changes in an asset's or market's price — especially as measured against its usual behavior or a benchmark. Volatility is often expressed as a percentage: If a ...

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 ...