Abstract
Growing evidences suggest two violations of Black, Scholes (J Polit Econ 81:3, 637–654, 1973) model: the downwards sloping volatility smile across moneyness and the heavy-tailed asset return distribution implied by option prices. Both abnormalities are caused by the existence of rare disasters or tail events in asset returns. Rubinstein (J Financ 49, 771–818, 1994) find that the implied volatility across moneyness becomes skewed since October 1987. This feature is often referred to as “volatility smirk”. On the other hand, (Jackwerth, Rubinstein, J Financ 51, 1161–1631, 1996) show that the option implied probability distribution is more left-skewed and changes from platykurtic to leptokurtic after the market crash in 1987.
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Notes
- 1.
For the purpose of mathematic simplicity, we only examine a special case of the double exponential model of Kou (2002) and Kou and Wang (2004), i.e., the Laplace model, in this chapter.
- 2.
In this study, the inputs of equilibrium interest rate and dividend yield are from the real market observations. According to Liu et al. (2005), this is without much loss of generality.
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Chen, J. (2018). Jump Size Distributions and Option Pricing. In: General Equilibrium Option Pricing Method: Theoretical and Empirical Study. Springer, Singapore. https://doi.org/10.1007/978-981-10-7428-8_6
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DOI: https://doi.org/10.1007/978-981-10-7428-8_6
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