4.7 Article

Analytically pricing variance and volatility swaps with stochastic volatility, stochastic equilibrium level and regime switching

Journal

EXPERT SYSTEMS WITH APPLICATIONS
Volume 217, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2023.119592

Keywords

Two-factor stochastic equilibrium level; Stochastic volatility; Variance; volatility swaps; Analytical solution; Regime switching

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This paper proposes a new model with a two-factor stochastic equilibrium volatility level for pricing variance and volatility swaps with nonlinear payoff. The model uses the CIR process as the volatility process and incorporates regime switching mechanics to better describe the underlying price. Numerical experiments are conducted to compare the results with and without regime switching in order to understand its impact on swap prices.
This paper proposes a new model with a two-factor stochastic equilibrium volatility level that can be used to price variance and volatility swaps with nonlinear payoff. The adopted model uses the CIR process as the volatility process with the constant equilibrium level replaced with a stochastic one, and at the same time incorporates the regime switching mechanics in order to better describe the underlying price. To better understand how the introduced regime switching impacts both swap prices, we also conduct numerical experiments to compare our results with those obtained without regime switching.

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