Quarterly Publication

OPEC Crude Oil Prices Prediction Based on ChaosTheory and GMDH-GA Algorithm

Document Type : Original Article

Authors

1 industrial engineering dept., Urmia University of Technology

2 physics dept., Urmia University of Technology

Abstract
The price of Crude Oil is Exposed to Various Factors That Cause Random, Sudden and Chaotic Price Fluctuations. Accurate Forecasting of Oil Prices Has a Central Impact on The Macro Economy. The aim of This Study is to Predict the Fluctuations of OPEC Crude Oil in The  long-term Using Chaos Theory and GMDH-GA Algorithm. First, the Daily Oil Price Time Series is Decomposed by Wavelet Transformation. Then, Chaos is Tested Using Embedding Dimension, Lyapunov Power and GA tests. Finally, Time Series Noises are Reduced by Reconstructing the Wavelet Phase Space. Three Nonlinear Models, GMDH-GA model, GMDH-GA Wavelet Model, and GMDH-GA Extended Model, Were Used to Forecast Time Series. Although the Results Showed that All three Models are Favorable in Terms of Root Mean Square Error (RMSE) and Correlation Coefficient, But the Developed GMDH-GA  Neural Network Model with low RMSE and High Correlation Coefficient is the Most Effective in Predicting the Daily Price of OPEC Crude Oil. has it.

Highlights

  • Crude oil price prediction using chaos theory;
  • Proving that the crude oil price time series is chaotic;
  • Converting crude oil time series to wavelets;

Keywords

Subjects

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  • Receive Date 11 May 2024
  • Revise Date 05 June 2024
  • Accept Date 12 June 2024