Volatility of financial markets index affected by COVID-19

The spread of Corona Virus (COVID-19) has a significant impact on financial markets around the world. This creates an unprecedented amount of risk and causes investors to incur significant losses in a very short period of time. The aim of this study was to investigate the volatility of the main stock market indices of COVID-19 in countries with the highest number of Corona Virus patients during the period 12/30/2019 to 04/27/2020 with the help of daily data by test. GARCH-BEKK is done. The results of this study show that, the COVID-19 method in China has not affected the fluctuations of the Chinese stock index according to the obtained results, but in Iran and Italy with the outbreak of COVID-19, the stock index has begun to grow and increase. The outbreak of COVID-19 in South Korea has also caused the stock index to fall. On the other hand, fluctuations in China s stock market index have no effect on Iran s stock index, but reduce Italy s stock index and increase South Korea s stock index.