“…To ensure consistency for the companies' categorization, one of the criteria was that a company was classified as Shariah-compliant if the company was listed as Shariah-compliant companies throughout the period of 2012 to 2017. From the 100 Index, 17 companies from the financial services sector were excluded because the measurement of the sector is complex and treated differently (Grougiou, Leventis, Dedoulis, & Owusu-Ansah, 2014;Sabrun et al, 2018). Following ; Sabrun et al (2018) and Wan et al (2015) that only use the same financial year-end, out of 83 companies, only 39 companies announced their financial year end on 31 December, the other 44 companies have different year-end such as March, June, July, August and September.…”