Nicolas P. B. Bollen (Owen Graduate School of Management, Vanderbilt University and Fuqua School of Business, Duke University) Robert E. Whaley (Owen Graduate School of Management, Vanderbilt University and Fuqua School of Business, Duke University)
Abstract
This paper examines the relation between net buying pressure and the shape of the implied volatility function (IVF) for index and individual stock options. We find that changes in implied volatility are directly related to net buying pressure from public order flow. We also find that changes in implied volatility of S&P 500 options are most strongly affected by buying pressure for index puts, while changes in implied volatility of stock options are dominated by call option demand. Simulated delta-neutral option-writing trading strategies generate abnormal returns that match the deviations of the IVFs above realized historical return volatilities. Copyright 2004 by The American Finance Association.
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Jens Carsten Jackwerth & George M. Constantinaides & Stylianos Perrakis, 2005.
"Mispricing of S&P 500 Index Options,"
CoFE Discussion Paper
05-09, Center of Finance and Econometrics, University of Konstanz.
[Downloadable!]
Other versions:
Stylianos Perrakis & Jens Carsten Jackwerth & George Constantinides, 2005.
"Mispricing of S&P 500 Index Options,"
Working Papers
wp05-07, Warwick Business School, Financial Econometrics Research Centre.
[Downloadable!]
George M. Constantinides & Jens Carsten Jackwerth & Stylianos Perrakis, 2009.
"Mispricing of S&P 500 Index Options,"
Review of Financial Studies,
Oxford University Press for Society for Financial Studies, vol. 22(3), pages 1247-1277, March.
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Nicolae Garleanu & Lasse Heje Pedersen & Allen M. Poteshman, 2005.
"Demand-Based Option Pricing,"
NBER Working Papers
11843, National Bureau of Economic Research, Inc.
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Other versions:
Nicolae Garleanu & Lasse Heje Pedersen & Allen M. Poteshman, 2009.
"Demand-Based Option Pricing,"
Review of Financial Studies,
Oxford University Press for Society for Financial Studies, vol. 22(10), pages 4259-4299, October.
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