Reaksi Pasar Modal Indonesia Terhadap Peristiwa Pengesahan UU Cipta Kerja 2020 (Studi Kasus Perusahaan Yang Terdaftar Pada Lq45)

This study aims to analyze reaction of the Indonesian capital market about difference of average abnormal returns, trading volume activity, and security return variability between before and after the legalization of the Job Creation Act on October 5, 2020. This study used quantitative research with event study approach. The research sample is stocks registered in LQ45 with certain criteria determined used the purposing sampling method. Hypothesis testing used paired sample t-test and wilcoxon signed rank test. The results of the hypothesis testing show that: (1) There's a significant difference in the average abnormal return between the period before and after the Job Creation Act legalization. (2) There's no significant difference in the average trading volume activity between the periodsbefore and after the Job Creation Act legalization. (3) There's a significant difference in the average security return variability between the period before and after the Job Creation Act legalization