“…Within the context of Pakistan, past studies concerning initial return issues reported a range of significant determinants, such as offer size and price, firm size, ownership structure, information asymmetry, ex-anti-certainty, market sentiment, aftermarket risk, subscription ratio, size of private firm and government entity, issue timing, and underwriter reputation, market volatility, market capitalisation (Aslam & Ullah, 2017;Javid & Malik, 2016;Kayani & Amjad, 2011;Khalid & Nasr, 2007;Sohail, Bilal, Rukh, & Fatima, 2018b). The Pakistan's security market size, regulatory framework, institutional setting, and efficiency of market differ from those of other developing nations.…”