Siddiqi, Hammad (2010): Coarse thinking, implied volatility, and the valuation of call and put options.
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People think by analogies and comparisons. Such way of thinking, termed coarse thinking by Mullainathan et al [Quarterly Journal of Economics, May 2008] is intuitively very appealing. We derive a new option pricing formula based on the assumption that the market consists of coarse thinkers as well as rational investors. The new formula, called the behavioral option pricing formula is a generalization of the Black-Scholes formula. The new formula not only provides explanations for the implied volatility skew and term structure puzzles in equity index options but is also consistent with the observed negative relationship between contemporaneous equity price shocks and implied volatility.
|Item Type:||MPRA Paper|
|Original Title:||Coarse thinking, implied volatility, and the valuation of call and put options|
|Keywords:||Coarse Thinking; Option Pricing; Implied Volatility; Implied Volatility Skew; Implied Volatility Smile; Implied Volatility Term Structure|
|Subjects:||G - Financial Economics > G1 - General Financial Markets > G12 - Asset Pricing; Trading volume; Bond Interest Rates
G - Financial Economics > G1 - General Financial Markets > G13 - Contingent Pricing; Futures Pricing
|Depositing User:||Hammad Siddiqi|
|Date Deposited:||12. Jun 2010 15:06|
|Last Modified:||18. Feb 2013 20:27|
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