“…The existence of calendar anomalies contradicts EMH since they indicate market inefficiency and predictability in stock returns. Calendar anomalies are the tendency for stock returns to behave differently at different times of the year, including such anomalies as the day-of-the-week, month-of-the-year, holiday, January and weekend effects (Cross, 1973;Roll, 1983;Ariel, 1990;Sias and Starks, 1995;Kumar, 2015;Jaisinghani, 2016;Caporale and Zakirova, 2017;Gbeda and Peprah, 2018;Harshita et al, 2018;Jaisinghani et al, 2020;Hasan et al, 2022;Singh et al, 2021;Elangovan et al, 2022;Wuthisatian, 2022).…”