Named after Steven Heston, the Heston model is a mathematical model describing the evolution of the volatility of an underlying asset. It is a stochastic volatility model: such a model assumes that the volatility of the asset is not constant, nor even deterministic, but follows a random process. The Heston Model is one of the most widely used stochastic volatility (SV) … [Read more...]
Heston model: The Overview
The Heston model is a mathematical model describing the evolution of the volatility of an underlying asset . It is a stochastic volatility model: such a model assumes that the volatility of the asset is not constant, nor even deterministic, but follows a random process. n the Heston model, we still have one asset (volatility is not considered to be directly observable or … [Read more...]