This research aims to analyzing the effects of inflation, exchange rates, interest rates and money supply towards the value Indonesia Composite Index (IHSG) in Indonesia Stock Exchange (BEI). The method used in this analysis is the Error Correction Model (ECM). This research uses monthly data from 2013-2017 for each variable used in this research. The results of this research are the exchange rates variable has a negative significant effect on the Indonesia Composite Index (IHSG) and the money supply variable has a positive and significant effect on Indonesia Composite Index (IHSG), on the other hand inflation and interest rates don’t have an effect on the Indonesia Composite Index (IHSG),