Author(s): Deannes Isynuwardhana, Meisya Luthfia Putri
This study aims to determine whether there are significant differences in abnormal returns, trading volume activity, and bid-ask spread before and after announcement of Covid-19 in Indonesia. This study uses a case study method using secondary data in form of closing index prices, number of shares circulated, number of shares outstanding, bid and ask prices. The population in this study were companies included in SRI-KEHATI index. The sampling technique used saturated sampling technique, namely as many as 25 companies. The results of the test using the Wilcoxon signed-rank test, shows that there is no significant difference in abnormal returns, trading volume activity, and bid-ask spread before and after announcement of Covid-19 in Indonesia.