Stand Still and Do Nothing: COVID-19, Stock Returns and Volatility

Muhammad Akbar and Aima Tahir

No 7, CAFE Working Papers from Centre for Accountancy, Finance and Economics (CAFE), Birmingham City Business School, Birmingham City University

Abstract: We examine the intraday returns and volatility in the US equity market amid the COVID-19 pandemic crisis. Our empirical results suggest increase in volatility overtime with mostly negative returns and higher volatility in last trading session of the day. Our Univariate analysis reveal structural break(s) since the first trading halt in March 2020 and that failure to account for this may lead to biased and unstable conditional estimates. Allowing for time varying conditional variance and conditional correlation, our dynamic conditional correlation tests suggest that COVID-19 cases and deaths are jointly related to stock returns and realised volatility.

Date: 2020-11-19
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