Analisis Perbandingan Return Saham Dan Volume Perdagangan Sebelum Dan Sesudah Pengumuman Covid-19 Pada Perusahaan Farmasi Yang Terdaftar Di Bursa Efek Indonesia

This study aims to determine whether there are significant differences between stock prices, trading volume, returns stock, and abnormal returns before and after Covid-19 in pharmaceutical companies listed on the Indonesia Stock Exchange. This study uses secondary data with descriptive analysis methods and quantitative analysis. Data analysis in this study used the Wilcoxon signed rank test, the data for this study were taken 31 days before and 31 days after the announcement of Covid-19 in Indonesia. The results showed that there were significant differences in stock prices, trading volume, returns stock, and abnormal returns before and after Covid-19 in Indonesi