Analisis Perbandingan Reaksi Investor Sebelum Dan Sesudah Pengumuman Indonesia Sustainability Reporting Awards (ISRA)

The purpose of this research to analyze the reaction of investors, as measuring by differences in abnormal returns and trading volume activity before and after the announcement of Indonesia sustainability reporting awards in 2016. Using purposive sampling method was obtained Sample of research 10 companies with observation for three days before and three days after announcement. The Hypothesis testing used paired sample t-test. Results of the first hypothesis testing show that happen differences abnormal return before and after the announcement of Indonesia sustainability reporting awards but not significant, testing the second hypothesis too shows that are differences in trading volume activity before and after the announcement of Indonesia sustainability reporting awards but not significant.Penelitian ini bertujuan untuk menganalisis reaksi investor, yang diukur dengan perbedaan abnormal return dan trading volume activity sebelum dan sesudah pengumuman Indonesia sustainability reporting awards pada tahun 2016. Menggunakan metode purposive sampling diperoleh Sampel penelitian sebanyak 10 perusahaan dengan observasi selama tiga hari sebelum dan tiga hari sesudah pengumuman. Pengujian hipotesis menggunakan uji paired sample t-tes. Hasil pengujian hipotesis pertama menunjukan bahwa terdapat perbedaan abnormal return sebelum dan sesudah pengumuman Indonesia sustainability reporting awards namun tidak signifikan, pengujian hipotesis kedua juga menunjukan bahwa terdapat perbedaan trading volume activitysebelum dan sesudah pengumuman Indonesia sustainability reporting awards namun tidak signifikan