The Influence Of Exchange Rate Public Opinion On Stock Price

With the financial market and the network more closely linked to the increasingly rich market information,investors access to information,decision-making,industry exchanges and other activities more dependent on the network,the stock market by the increasing impact of the network.Network public opinion is the reflection of the group sentiment in the Internet age.In recent years,scholars have found that the network public opinion will affect the behavior of the securities investors and cause the stock price to fluctuate.This paper aims to explore the relationship between the public opinion and the stock price of the exchange rate network.The data source is the post of 6 accounts in Sina Weibo.The six accounts represent the government,academics,media,financial institutions,professional investors,And used to simulate all investors in the market.This article data acquisition method for the python reptile,first get 6 accounts in January 2015 to February 2017 between the release of all posts,and then post text information keyword search to include "RMB" or "exchange rate" Content of the post,will be sorted after the summary of the post and modeling.The main means of modeling the empowerment,the first six accounts of the weight assignment,and then the posts contained in the emotional empowerment,through all the accounts of the emotional sum to build exchange rate public opinion indicators,with public opinion indicators to simulate investors The overall view of the exchange rate,to explore the different periods of public opinion indicators and the Shanghai and Shenzhen 300 index between the correlation.The results show that there is no correlation between the public opinion and the stock index in the long term,and there is a negative correlation between the public opinion and the index in the short term.The mean value of the public opinion index(the investor's overall sentiment in the period)and the stock index mean value There is a correlation.The research results of this paper provide a new reference for the study of financial network public opinion research,exchange rate and stock price research,behavioral finance research.