Artificial neural network 1 Commodity exchange 1 Complex network 1 Complex networks 1 Copper price forecasting 1 Copper prices Costs 1 Directional predictions 1 Electronic trading 1 Financial markets 1 Forecasting 1 Forecasting performance 1 International trade 1 Neural networks 1 New York [United States] 1 New York commodity exchange (COMEX) 1 Nonlinear pattern 1 Predictive analytics 1 Predictive techniques 1 Price volatility 1 Price volatility network 1 Topological structure 1 United States 1 artificial neural network 1 commodity price 1 copper 1 empirical analysis 1 price determination 1 time series analysis 1 topology 1