Jump-diffusion volatility models for variance swaps: An empirical performance analysis

Xing Jin and Yi Hong

International Review of Financial Analysis, 2023, vol. 87, issue C

Abstract: This paper studies a class of tractable jump-diffusion models, including stochastic volatility models with various specifications of jump intensity for stock returns and variance processes. We employ the Markov chain Monte Carlo (MCMC) method to implement model estimation, and investigate the performance of all models in capturing the term structure of variance swap rates and fitting the dynamics of stock returns. It is evident that the stochastic volatility models, equipped with self-exciting jumps in the spot variance and linearly-dependent jumps in the central-tendency variance, can produce consistent model estimates, aptly explain the stylized facts in variance swaps, and boost pricing performance. Moreover, our empirical results show that large self-exciting jumps in the spot variance, as an independent risk source, facilitate term structure modeling for variance swaps, whilst the central-tendency variance may jump with small sizes, but signaling substantial regime changes in the long run. Both types of jumps occur infrequently, and are more related to market turmoils over the period from 2008 to 2021.

Keywords: Variance swaps; Jump-diffusion volatility models; Jump intensity; Self-exciting jump process; Markov Chain Monte Carlo (MCMC) (search for similar items in EconPapers)
JEL-codes: C51 C58 G12 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:finana:v:87:y:2023:i:c:s1057521923001229

DOI: 10.1016/j.irfa.2023.102606

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