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Smile in Motion : An Intraday Analysis of Asymmetric Implied Volatility

Wallmeier, Martin

(Working Papers SES ; 427)

We present a new method to measure the intraday relationship between movements of implied volatility smiles and stock returns. It is based on an enhanced smile regression model which captures patterns in the intraday data which have not yet been reported in the literature. Using transaction data for exchange-traded EuroStoxx 50 options from 2000 to 2011 and DAX options from 1995 to 2011, we show...