“…Clinton Watkins, Michael Mc Aleer through the analysis of Aluminum Alloy, aluminum, copper, lead, nickel, tin, zinc 3 month futures contract data, the risk premium hypothesis and the cost of the standard model of the theoretical model, the results of the study show that, if the spot price, futures price, interest rate and stock price variables including stochastic trend, can estimate the long-term version of general model in a cointegration framework [6]. Rossen Athrough the study of dynamic monthly metal prices in the past 100 years, the statistical analysis method of CO movement, the price cycle and the long-term trend, and the results were compared with the results in the literature, the results show that some results in the literature is specific for non-ferrous metals and precious metals, not necessarily transfer to other metals such as steel alloy, metal electrical, light metal, steel or iron ore [7].…”