Bp neural network model for prediction of listing Corporation stock price of Qinghai province

The article based on analyzing the theory of stock investment and the stock price prediction method, starting from the practical point of view, by describing the background and significance in Qinghai province listing Corporation stock price forecasting, which makes people aware of the importance of the stock prediction, introduces the stock prediction theory and the theory of BP neural network. This paper takes western mining and Qinghai gelatin which are two listing Corporation of Qinghai province as an example for inquiry. Contrasting the forecast accuracy and change direction of three periods and comparing the prediction accuracy of different trading systems, it draws the preliminary conclusion.