基于Python的网络舆情对恒瑞医药股价波动的关联性研究

Research on the Correlation between Network Public Opinion and Stock Price Fluctuation of Hengrui Pharmaceuticals Based on Python

移动互联时代下网络舆情对股价波动的影响成为金融市场不可忽视的因素。这里选取恒瑞医药作为研究对象,运用Python爬虫技术获取舆情信息与股价数据、情感词语料库负面词汇构建舆情评分系统,通过皮尔森相关系数实证分析了上市公司网络舆情对股价的影响。研究结果表明:(1)网络舆情与股价波动有弱正相关关系,属于上市公司股价波动的一个相关因素;(2)上市公司的舆情控制管理对股价波动有一定积极作用;(3)随着互联网的发展、新媒体信息的广泛传播,网络舆情对金融市场的影响日益重要。

In the Internet era,the impact of online public opinion on stock price volatility has become a factor that cannot be ignored in the financial market.Hengrui pharmaceutical is selected as the research object.It uses Python crawler technology to obtain public opinion information and stock price data,builds a public opinion scoring system based on negative words in the emotional word database and makes an empirical analysis of the impact of online public opinion of listed companies on stock prices through Pearson correlation coefficient.The results show that there is a weak positive correlation between Internet public opinion and stock price fluctuation,which belongs to a related factor of stock price fluctuation of listed companies.Public opinion control and management of listed companies have a positive effect on stock price fluctuations.With the development of the Internet and the wide spread of new media information,the impact of Internet public opinion on the financial market is becoming increasingly important.