Abstract
The constant elasticity of variance (CEV) model of Cox (Notes on Option Pricing I: Constant Elasticity of Variance Diffusions. Working paper, Stanford University (1975)) captures the implied volatility smile that is similar to the volatility curves observed in practice. This diffusion process has been used for pricing several financial option contracts. In this paper we present the analytical expressions of sensitivity measures for the absolute diffusion process, commonly known as Greeks, and we analyze numerically the behavior of the measures for European options under the CEV model.
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Notes
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Due to constraints of space, we have not included proofs of the analytical expressions of sensitivity measures, but they are available upon request.
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Acknowledgements
Dias is member of the BRU-UNIDE, and Braumann and Larguinho are members of the Research Center Centro de Investigação em Matemática e Aplicações (CIMA), both centers financed by the Fundação para a Ciência e Tecnologia (FCT). Dias gratefully acknowledges the financial support from the FCTs grant number PTDC/EGE-ECO/099255/2008.
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Larguinho, M., Dias, J.C., Braumann, C.A. (2013). Absolute Diffusion Process: Sensitivity Measures. In: Lita da Silva, J., Caeiro, F., Natário, I., Braumann, C. (eds) Advances in Regression, Survival Analysis, Extreme Values, Markov Processes and Other Statistical Applications. Studies in Theoretical and Applied Statistics(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34904-1_26
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DOI: https://doi.org/10.1007/978-3-642-34904-1_26
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