“…Since the past decades, a voluminous literature has been exploring the effect of psychological factors such as overconfidence bias (Gervais & Odean, 2001;Glaser & Weber, 2007;Kourtidis et al, 2017;Odean, 1998), confirmation bias (Duong et al, 2014;Park et al, 2013), self-serving bias (Chin et al, 2018;Moosa & Ramiah, 2017), and behavioural biases such as disposition effect, mental accounting, heuristics bias, herding, etc. on investors' anomaly such as excessive trading volume or trading frequency (Baker et al, 2019;Barber et al, 2009;Barberis & Huang, 2001;Chen et al, 2007;Choe & Eom, 2009).…”