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A Hybrid Approach for Forecasting of Oil Prices Volatility

By Akbar Komijani, Esmaeil Naderi and Nadiya Gandali Alikhani


This study aims to introduce an ideal model for forecasting crude oil price volatility. For this purpose, the ‘predictability’ hypothesis was tested using the variance ratio test, BDS test and the chaos analysis. Structural analyses were also carried out to identify possible nonlinear patterns in this series. On this basis, Lyapunov exponents confirmed that the return series of crude oil price is chaotic. Moreover, according to the findings, the rate of return series has the long memory property rejecting the efficient market hypothesis and affirming the fractal markets hypothesis. The results of GPH test verified that both the rate of return and volatility series of crude oil price have the long memory property. Besides, according to both MSE and RMSE criteria, wavelet-decomposed data improve the performance of the model significantly. Therefore, a hybrid model was introduced based on the long memory property which uses wavelet decomposed data as the most relevant model.

Topics: C53 - Forecasting and Prediction Methods; Simulation Methods, C58 - Financial Econometrics, G17 - Financial Forecasting and Simulation
Year: 2013
DOI identifier: 10.1111/opec.12030
OAI identifier:

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