Published by Sciedu Press 45 Based on BP Neural Network Stock Prediction

The stock market has a high profit and high risk features, on the stock market analysis and prediction research has been paid attention to by people. Stock price trend is a complex nonlinear function, so the price has certain predictability. This article mainly with improved BP neural network(BPNN) to set up the stock market prediction model, and the results show that the method has good prediction effect on stock price, can provide certain reference for investment