Capital Market Reaction Against Political Events (Event Study of Demonstration 212 Peaceful Action )

This study aimed to explain the reaction of the capital market (Event study) 212 demonstrations peaceful protest events against the share price of PT Nippon Indosari Corpindo Tbk on December 2016. The study was conducted at PT Nippon Indosari Corpindo Tbk. As one of the companies affected directly the event. The data used the daily closing stock price data, daily stock trading volume, and the number of outstanding shares obtained from the Indonesia Stock Exchange. By using a t test analysis, there were three hypotheses in this study, namely whether the investor obtain abnormal return to their events (H1), whether there was a difference of abnormal return before and after the event (H2), whether there were differences in the volume of stock trading before and after the event (H3). Results of tests made clear that investors did not earn abnormal return to their peaceful protest demonstration event 212, the results of tests performed also explained that there was no significant difference in abnormal stock returns and trading volume before and after the event. This was because the Indonesian people already familiar with the demonstrations that occurred in the country, so that market participants were more calm in dealing with the situation. The reaction of investors to the event in the Indonesian capital market was quite low indicates the level of efficiency of the Indonesian capital market was still weak