Parameters

Description

κ

ϱ

δ

σ

Θ

M ( t )

λ

μ

W ( t )

Risk-neutral drift.

Variance process through mean reversion.

Volatility jump step size.

Volatility variance process.

Long-run mean of the variance process.

Poisson process with intensity λ .

Constant intensity of the Poisson process M ( t ) .

Wiener process of two-dimension with correlation a.

Lognormal random variable with variance β 2 and mean α .