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Asymmetric Option Price Distribution and Bid-Ask Quotes: Consequences for Implied Volatility Smiles
Stockholm University, Faculty of Social Sciences, School of Business.
2003 (English)In: Journal of Multinational Financial Management, ISSN 1042-444X, E-ISSN 1873-1309, Vol. 13, 423-441 p.Article in journal (Refereed) Published
Abstract [en]

This study presents a model for estimating the asymmetry of option values with respect to option bid-ask spreads. The model does not require knowledge of the actual option value to evaluate the asymmetry. Using data from the Swedish equity options market, several interesting results emerge. First, there is evidence of asymmetry in call and put values, where values are closer to bid than to ask quotes. Second, in- and out-of-the-money calls and puts show a higher degree of asymmetry than at-the-money options. Third, taking asymmetry into account in the estimation of option-implied volatility, produces a less pronounced volatility smile.

Place, publisher, year, edition, pages
2003. Vol. 13, 423-441 p.
National Category
Business Administration
Research subject
Business Administration
URN: urn:nbn:se:su:diva-43357OAI: diva2:356016
Available from: 2010-10-09 Created: 2010-10-09 Last updated: 2010-10-15Bibliographically approved

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Nordén, Lars
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ReferencesLink to record
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