, mispricings remain. This paper uses mixed normal heteroskedasticity models to price options. Our model allows for significant … negative skewness and time varying higher order moments of the risk neutral distribution. Parameter inference using Gibbs …. When forecasting out-of-sample options on the S&P 500 index, substantial improvements are found compared to a benchmark …

This paper uses asymmetric heteroskedastic normal mixture models to fit return data and to price options. The models …, and allow for substantial negative skewness and time varying higher order moments of the risk neutral distribution. When … forecasting out-of-sample a large set of index options between 1996 and 2009, substantial improvements are found compared to …