Comparison of News Impacts on Sectoral Stock Returns during the COVID-19 Pandemic in Turkey

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Metin Tetik


This study examines how the volatility of the sectoral stock returns within Borsa İstanbul are affected during the COVID-19 pandemic. The analysis uses daily stock return data for four main sector indices: services, finance, industry, and technology. The sample period of the study covers 03.03.2015–11.03.2021, and 12.03.2020-03.04.2021 is separately analyzed for the COVID-19 period. When E-GARCH models and news impact curves are analyzed, it is found that the services sector stock returns volatility differs from other sectoral stock returns.


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Tetik, M. (2021). Comparison of News Impacts on Sectoral Stock Returns during the COVID-19 Pandemic in Turkey. World Journal of Applied Economics, 7(2), 35-46.
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