Abstract
The study aims to examine the impact of COVID-19 on the Turkish stock market volatility and reveal how different industries are affected by COVID-19. Volatility between pre-COVID and COVID periods are compared across industries to understand the impact of the first shock. Markov-switching dynamic regression (MSDR) model is employed to determine the transition from low volatility (pre-COVID) period to high volatility (COVID) period. The findings reveal a significant deterioration in volatility for all industries during the COVID-period, with a more dominant impact on the service sector. Then, factors that drive stock market volatility are investigated to understand the role of COVID-19 on increasing volatility. Results show that COVID-19 patients trigger volatility for all industries except food & beverages, insurance, non-metal mineral product, and wholesale & retail trade. On the other hand, an increase in the number of recoveries results in lower volatility for most of the industries. Besides, credit default swap increases volatility while the exchange rate lowers volatility. However, the magnitudes of credit default swap and exchange rate are greater than those of patients and recoveries, suggesting that COVID-19 is not the main driver of volatility for the Turkish stock market in the pandemic period.
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