
Most of the existing pricing models of variance derivative products assume continuous sampling of the realized variance processes, though actual contractual specifications compute the realized variance based on sampling at discrete times. We present a general analytic approach for pricing discretely sampled generalized variance swaps under the stochastic volatility models with simultaneous jumps in the asset price and variance processes. The resulting pricing formula of the gamma swap is in closed form while those of the corridor variance swaps and conditional variance swaps take the form of one‐dimensional Fourier integrals. We also verify through analytic calculations the convergence of the asymptotic limit of the pricing formulas of the discretely sampled generalized variance swaps under vanishing sampling interval to the analytic pricing formulas of the continuously sampled counterparts. The proposed methodology can be applied to any affine model and other higher moments swaps as well. We examine the exposure to convexity (volatility of variance) and skew (correlation between the equity returns and variance process) of these discretely sampled generalized variance swaps. We explore the impact on the fair strike prices of these exotic variance swaps with respect to different sets of parameter values, like varying sampling frequencies, jump intensity, and width of the monitoring corridor.
Derivative securities (option pricing, hedging, etc.), generalized variance swaps, Fourier and Fourier-Stieltjes transforms and other transforms of Fourier type, Generalized variance swaps, Discrete sampling, Fourier transform, discrete sampling, stochastic volatility models, Stochastic volatility models, 510
Derivative securities (option pricing, hedging, etc.), generalized variance swaps, Fourier and Fourier-Stieltjes transforms and other transforms of Fourier type, Generalized variance swaps, Discrete sampling, Fourier transform, discrete sampling, stochastic volatility models, Stochastic volatility models, 510
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