Research on Coal Price Forecast based on ARIMA and SVM combination Model

China is the largest producer and consumer of coal in world. Qinhuangdao Port not only export port world, but also an important transportation hub China. The study change price great significance to whole country. In this paper, order avoid large prediction error a single model, ARIMA-SVM parallel combination model constructed, appropriate weight ratio ARIMA SVM obtained by calculation, so as obtain more reliable results. results show that international competitiveness domestic market insufficient, trading system incomplete depends too much on resources. For reason, government should promote adjustment energy structure, improve mode transportation, actively futures system, realize upgrading industry.