Cyril Grunspan. Asymptotic Expansions of the Lognormal Implied Volatility: A Model Free Approach


Social Sciences / Economics / Financial

Submitted on: Jul 07, 2012, 09:40:47

Description: We invert the Black-Scholes formula. We consider the cases low strike, large strike, short maturity and large maturity. We give explicitly the first 5 terms of the expansions. A method to compute all the terms by induction is also given. At the money, we have a closed form formula for implied lognormal volatility in terms of a power series in call price.

The abstract of this article has been published in the "Intellectual Archive Bulletin" , July 2012, ISSN 1929-1329.

The Library and Archives Canada reference page: collectionscanada.gc.ca/ourl/res.php?url_ver=Z39.88......

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