Hedging effectiveness in the index futures market
Copeland, L. and Zhu, Y. (2010) Hedging effectiveness in the index futures market. In: Gregoriou, G. N. and Pascalau, R., eds. (2010) Nonlinear Financial Econometrics: Forecasting Models, Computational and Bayesian Models. Palgrave-MacMillan, pp. 97-117. ISBN 9780230283657 Available from: http://eprints.uwe.ac.uk/13599
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This paper addresses the question of how far hedging effectiveness can be improved by the use of more sophisticated models of the relationship between futures and spot prices. Working with daily data from six major index futures markets, we show that, when the cost of carry is incorporated in to the model, the two series are cointegrated, as anticipated. Fitting an ECM with a GJR-GARCH model of the variance process, we derive the implied optimal hedge ratios and compare their out-of-sample hedging effectiveness with OLS-based hedges. The results suggest little or no improvement over OLS.