By extending and reviewing determinants of the implied volatility in the context of high frequency (HF) trade-by-trade DAX equity options from the EUREX a mean-reversion autocorrelation process is revealed, besides confirming low frequency results such as moneyness, time, liquidity, volume and...

Die Preise, zu denen Aktienindexoptionen an den internationalen Terminbörsen gehandelt werden, weichen in der Regel systematisch von den Implikationen des von Black, Scholes und Merton entwickelten Standartmodells der Optionsbewertung ab. Zur Erklärung dieses als "Smile-Effekt" bekannten...

We present a new method to measure the intraday relationship between movements of implied volatility smiles and stock index returns. It exploits a specific characteristic of the smile profile in high-frequency data. Using transaction data for EuroStoxx 50 options from 2000 to 2011 and DAX...