Journal
FINANCE RESEARCH LETTERS
Volume 44, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.frl.2021.102072
Keywords
Heston-CEV model; Stochastic volatility; Leverage effect; Option pricing; Monte Carlo method; Decomposition formula
Categories
Funding
- United Arab Emirates University Research Office [31S369]
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In this paper, we investigate the pricing of European call options under a hybrid CEV-Heston model from both theoretical and empirical perspectives. The model captures the leverage effect and stochastic volatility behavior of financial assets. Theoretical proofs show the model's coverage of the leverage effect, while empirical analysis demonstrates the volatility clustering property. We propose an approximate formula for pricing European call options using a decomposition of the option price, and compare its accuracy with the Monte Carlo method. The results confirm the efficiency of our approximate formula.
In this paper we investigate, since both, the theoretical and the empirical point of view, the pricing of European call options under a hybrid CEV-Heston model. CEV-Heston model captures two typical behaviors of financial assets: (i) the leverage effect and (ii) the stochastic volatility. We prove theoretically that the CEV-Heston model covers the leverage-effect and show empirically the volatility clustering property. Then, we utilize a decomposition of the option price to get an approximate formula for European call options. The accuracy of this estimate is compared with the Monte Carlo method. The results show the efficiency of our approximate formula.
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