Analysis of the Medical Industry in the Stock Market under the Influence of the Pandemic in China

This paper is working to analyze the influence of COVID-19 on the medical industry in Chinas stock market. Because the pandemic has influenced our society and development impressively, using statistical methods to analyze its influence is a necessary method to estimate the risk of investment. Some common statistic analyzing methods, the ARIMA model and GARCH model, will be used in this paper, and the data of the stock price of a medical manufacturing company Zhangzhou Pientzhng Phrmctcl Co Ltd during the COVID-19 is collected and introduced in the models. Meanwhile, machine learning is also implemented in the prediction and analysis of the data. The results of these two models both demonstrate the high volatility in the stock market under the influence of pandemic, which is meaningful for further research about the risks of future investment in medical industry of Chinas stock market.