Fengler, Matthias R.; Herwartz, Helmut; Werner, Christian - In: Journal of Financial Econometrics 10 (2012) 3, pp. 457-493
Equity index implied volatility functions are known to be excessively skewed in comparison with implied volatility at the single stock level. We study this stylized fact for the case of a major German stock index, the DAX, by recovering index implied volatility from simulating the 30-dimensional...