Efficient Market Hypothesis during the Time of COVID

This paper examines the efficiency of Indian Stock Markets (NSE) during time COVID. It demonstrates impact on market announcement two major events that is declaration COVID as a Public Health Emergency Of International Concern (PHEIC) 30th January 2019 and day when Prime Minister Narendera Modi declared first lockdown in India, 24th March 2019. The study uses Event Study methodology to determine markets. found markets were fact inefficient period under there numerous opportunities make abnormal profits. also conducted sector wise comparison analyze above mentioned difference way each was affected by news, indicating different levels semi strong form market. results this research helps one understand investor behavior biases could use of, order