Abstract:This study aims to analyze whether there is a difference in abnormal return average of stock portfolios in winner and loser categories during two different periods namely formation and testing periods to test winner-loser anomaly occurrence. The population of this study was the companies listed in the Kompas 100 Index of Indonesia Stock Exchange from February 2015 to July 2019. A number of 44 companiesused as the samples of this study which selected by using the purposive sampling technique. Parametric paired … Show more
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