Event Study Impact of the Announcement of PSBB Covid-19 on State-Owned Banks that Go Public on the Indonesia Stock Exchange

Resum

The purpose of this study was to determine the difference in Abnormal Return (AR) before and after the announcement of the PSBB in BUMN Banks that went Public on the Indonesia Stock Exchange, to find out whether there were differences in the volume of stock trading before and after the announcement of the PSBB in BUMN Banks that went public. on the Indonesia Stock Exchange and to find out if there are differences in the volume of stock trading frequency before and after the announcement of “PSBB in State-Owned Banks that Go Public on the Indonesia Stock Exchange. Hypothesis H1 proposed in this study states that there is a significant difference between the Abnormal Return (AR) of state-owned banks' shares before and after PSBB. Testing the first hypothesis using a paired sample t-test with a significance level of 11.5% or 0.115. If the result of the probability calculation is greater than 0.05, the hypothesis H1 is rejected. In the following, the test results data are presented using the paired sample t-test for the abnormal return variable. there is a significant difference to the Abnormal Return (AR) of state-owned banks before and after PSBB. The existence of this significant difference indicates that the market is reacting to the PSBB. The significance value is 0.218, this number indicates above the probability value limit of 0.05. So it can be stated that H2 is rejected. This means that there is no significant difference in Trading Volume Activity (TVA) both before and after the PSBB. This means that there is no significant difference to changes in stock trading volume activity in state-owned banks. Testing on H3 was carried out using a paired sample t-test with a significance level of 5% or 0.05. If the result of the probability calculation is less than 0.05 then the hypothesis is accepted. In the following, the results of data processing using paired sample t-test are presented. It can be concluded that hypothesis H3 is rejected, meaning that there is no significant difference in the frequency of trading shares of state-owned banks before and after PSBB. This shows that after the PSBB there was no market reaction to the shares of state-owned banks. In the following, the results of data processing using paired sample t-test are presented. It can be concluded that hypothesis H3 is rejected, meaning that there is no significant difference in the frequency of trading shares of state-owned banks before and after PSBB. This shows that after the PSBB there was no market reaction to the shares of state-owned banks. In the following, the results of data processing using paired sample t-test are presented. It can be concluded that hypothesis H3 is rejected, meaning that there is no significant difference in the frequency of trading shares of state-owned banks before and after PSBB. This shows that after the PSBB there was no market reaction to the shares of state-owned banks.