Corona virus disease 19 merupakan penyakit virus baru yang menyerang sistem pernafasan. Dampak covid 19 tidak hanya mempengaruhi perekonomian tetapi juga mempengaruhi bisnis organisasi secara global dan pasar keuangan. Penurunan pasar saham global ini juga berdampak signifikan pada pasar modal di Indonesia. Tujuan penelitian ini adalah untuk mengetahui perbedaan harga saham, volume transaksi sebelum dan sesudah covid 19 dan dampak covid 19 terhadap return saham agar investor bisa mengambil peluang saat terjadinya pandemi dan dapat menghindari kerugian. Data penelitian ini merupakan data sekunder yang diperoleh dari Indonesia Stock Exchange (IDX) dan yahoo finance meliputi harga saham harian, volume transaksi harian dan return saham harian selama periode penelitian. Data dianalisis menggunakan wiloxon signed rank test dan one sample t-test. Sampel yang digunakan berjumlah 28 perusahaan sub sektor hotel, restaurant dan pariwisata dan 40 perusahaan sub sektor perbankan. Teknik pemilihan sampel menggunakan metode purposive sampling. Hasil penelitian ini menunjukkan bahwa terjadi perbedaan yang signifikan harga saham dan volume transaksi sebelum dan sesudah covid 19 dan penurunan return di sub sektor perbankan dan hotel, restaurant dan pariwisata. Implikasi dari penelitian ini dapat menjadi pedoman bagi investor untuk lebih berhati-hati dalam pengambilan keputusan investasi di masa pandemi dan sebaiknya melakukan wait and see. Bagi perusahaan agar dapat beradaptasi di masa pandemi dengan melakukan strategi yang dapat meningkatkan kinerja perusahaan dan bagi penelitian lain agar menggunakan variabel-variabel lain untuk penelitian mendatang.

Corona virus disease 19 is a new viral disease that attacks the respiratory system. The impact of covid 19 not only affects the economy but also affects global business organizations and financial markets. The decline in the global stock market also have a significant impact on the capital market Indonesia. the purpose of this study was to determine the differences in stock prices, transaction volume before and after covid 19 and the impact of covid 19 on stock returns so that investors can take opportunities when a pandemic occurs and can avoid losses. This research used secondary data obtained from the Indonesia Stock Exchange (IDX) and yahoo finance including daily stock prices, daily transaction volume and daily stock returns during the study period. Data were analyzed using the Wiloxon signed rank test and one sample t-test. The samples consisted of 28 companies in the tourism sector and 40 companies in the banking sector. The samples were selected using a purposive sampling method. The results of this study indicated that there was a significant difference in stock prices and transaction volume before and after covid 19 and a decrease in returns in the banking and tourism sectors. the implication of this researh is that the findings could be used as a guide for investors to be more carefull in making investment decisions during a pandemic and should wait and see. for companies, they need to adapt during a pandemic by implementing strategies that can improve their performance. for other researchers, they can use other variables for their future research.