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Since 2019, the novel coronavirus epidemic has had an impact on people's livelihoods and economies around the world. Taiwan has experience in SARS epidemic prevention, and the implementation of epidemic prevention measures in 2020 was earlier than that of other countries. Therefore, Taiwan will be less affected by the novel coronavirus epidemic in 2020. However, from the end of April 2021, outbreaks of outbreaks of the China Airlines pilots, Novotel hotels, Wanhua tea rooms, etc. began to break out. The epidemic was difficult to control, and the command center announced that the whole Taiwan had entered the level 3 alert, which affected the lives and economic development of the domestic people. This research uses the event study method to study whether the expansion of the novel coronavirus infection in Taiwan on May 5, 2021 has caused abnormal returns to the stock prices of Taiwan sports stocks, and uses the multiple regression analysis method to explore the relationship between financial factors and average Relationship between cumulative abnormal returns. The results of this study are found to have a significant impact on the share prices of Taiwan sports stocks since the outbreak of the novel coronavirus in Taiwan on May 5, 2021. Through regression analysis, it is found that the company's net worth, current ratio, inventory turnover ratio, operating gross profit margin, cash and cash equivalents, real estate, plant and equipment, interest income, and administrative expenses will have a significant impact on the average cumulative abnormal return five days after the event date. Among them, the company's net worth, inventory turnover ratio, operating gross profit margin, real estate, plant and equipment, and interest income have a negative impact on the average cumulative abnormal return of sports industry stocks; current ratio, cash and cash equivalents, and management expenses have a negative impact on sports industry stocks. Average cumulative abnormal return has a positive effect.
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