Reaksi Pasar pada Peristiwa Rebalancing Indeks Msci di Negara Asean-5

Rebalancing the MSCI index is essential information in order to make investment recommendations. This event caused a market reaction that affected the stock price. The research aims to analyze the influence of the MSCI index rebalancing on abnormal returns and trading volume activity of shares in ASEAN-5 countries in 2017-2021. From the test conducted, there was an effective in abnormal returns after the announcement of the index rebalancing on stocks that were indexed. Trading volume activity also showed an increasement in volume of trading in stocks which indexed to the rebalancing. Meanwhile, for the shares of companies that experienced write-offs in the rebalancing index, there was a decline. Furthermore, for the trading volume activity of stocks that experienced additions or deletions in the rebalancing index, it was found an increase in the trading volume of their shares. The results of the hypothesis test show that there is a significant positive abnormal return and significant trading volume activity in stocks that have added to the index. Meanwhile, stocks that have been deleted have the results of hypothesis testing which show that there is a significant negative abnormal return and a significant trading volume activity.