PERILAKU PEMBELIAN SAHAM TERHADAP PENGUMUMAN PELUNCURAN INDEKS IDX LQ45 LOW CARBON LEADERS

STOCK BUYING BEHAVIOR REGARDING THE ANNOUNCEMENT OF THE LAUNCH OF THE IDX LQ45 LOW CARBON LEADERS INDEX

Abstract

This study was conducted to determine how investors reacted to the announcement of the launch of the IDX LQ45 Low Carbon Leaders index, namely by analyzing the difference in abnormal return and trading volume activity before and after the company was indexed by IDX LQ45 Low Carbon Leaders. This research is a quantitative research with an event study approach, and the observation period is 1 day, 5 days, and 20 days before and after the announcement. Sampel determine by purposive sampling technique, then obtained 21 samples. Data testing used paired samples test and wilcoxon signed ranks test gives the result that there is a difference in abnormal return on 1 day, 5 days before and after the announcement of the launch of IDX LQ45 Low Carbon Leaders index and there is no difference in abnormal return on 20 days before and after the announcement of the launch of IDX LQ45 Low Carbon Leaders index. As for trading volume activity, there is a difference on 5 days before and after the announcement of the launch of the IDX LQ45 Low Carbon Leaders index and there is no difference on 1 day and 20 days before and after the announcement of the launch of the IDX LQ45 Low Carbon Leaders index.