Template-Type: ReDIF-Paper 1.0 Author-Name: Hallerbach, W.G.P.M. Author-Name-Last: Hallerbach Author-Name-First: Winfried Author-Person: pha50 Title: An Improved Estimator For Black-Scholes-Merton Implied Volatility Abstract: We derive an estimator for Black-Scholes-Merton implied volatility that, when compared to the familiar Corrado & Miller [JBaF, 1996] estimator, has substantially higher approximation accuracy and extends over a wider region of moneyness. Creation-Date: 2004-08-11 File-URL: https://repub.eur.nl/pub/1472/ERS%202004%20054%20FA.pdf File-Format: application/pdf Series: RePEc:ems:eureri Number: ERS-2004-054-F&A Classification-JEL: C13, C63, G13, G3, M Keywords: approximation methods, implied volatility, options Handle: RePEc:ems:eureri:1472