The Volatility and Density Prediction Performance of Alternative GARCH Models
Journal of Forecasting 31(2):157-171.
28 Pages Posted: 24 Aug 2007 Last revised: 27 Feb 2019
Date Written: March 1, 2012
Abstract
This study compares the volatility and density prediction performance of alternative GARCH models with different conditional distribution specifications. The conditional residuals are specified as normal, skewed-t or compound Poisson (jump) distribution based upon a non-linear and asymmetric GARCH (NGARCH) model framework. The empirical results for the S&P 500 and FTSE 100 index returns suggest that the jump model outperforms all other models in terms of both volatility forecasting and density prediction. Nevertheless, the superiority of the non-normal models is not always significant and diminished during the sample period on those occasions when volatility experiences an obvious structural change.
Keywords: GARCH, Model fitting, Volatility forecasting, Density prediction, Jumps
JEL Classification: G10, C10, C30
Suggested Citation: Suggested Citation
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