Abnormal Return and Stock Trading Volume Analysis on the Company Taking Stock Split at Indonesia Stock Exchange Period 2010-2013

The purpose of this study to analyze the differences in abnormal returns and trading volume activity before and after stock split event on the companies listed in Indonesia Stock Exchange period 2010-2013. The method used verification with event study approach. Observations were made for abnormal return average and trading volume activity average for 7 days before, the event date, and 7 days after the event. The population in this study is company that do stock split and listed on Indonesia Stock Exchange (IDX). Hypothesis testing used different test analysis model (T-test Paired Two Sample) with significant level of 5%. The results showed that there was no significant difference between the abnormal return and trading volume activity before and after stock split event on companies listed at Indonesia Stock Exchange period 2010-2013.