ANALISIS REAKSI PASAR TERHADAP PENGUMUMAN KENAIKAN HARGA BBM BERSUBDISI

The purpose of this research is to examine the influence of announcement of the increase price of subsidized fuel oil against abnormal return, security return variability, and trading volume activity. The population of this research is the company that listed in Indonesia Stock Exchange. A sample of research can be used as many as 49 companies filled the criteria of the research. Testing hypothesis using paired t-test with SPSS version 17 program. The result of research is indicate the first hypothesis (H1) which states that there is the influence of announcement of the increase price of subsidy fuel oil against Abnormal Return shown with the difference abnormal return significant between before and after the announcement of subsidized fuel oil. The second hypothesis (H2) which states that there is the influence of announcement of the increase of subsidized fuel oil against Security Return Variability shown with the difference Security Return Variability significant between before and after the announcement of subsidized fuel oil. The third hypotesis (H3) which states that there is the influence of announcement of the increase price of subsidized fuel oil against Trading Volume Activity shown with the difference Trading Volume Activity significant between before and after the announcement of the increase of subsidized fuel oil. Keyword : the increase price of subsidized fuel oil, abnormal return, security return variability, trading volume activity