T This research aims to determine the influence of interest rates, inflation, exchange rates and Dow Jones industrial average against Indonesia composite index in 2008 - 2011. Interest rates and inflation are listed in units of percent, the exchange rate is the exchange rate of the rupiah against the dollar exchange rate, and Dow Jones industrial average indices listed in units of points. Independent variable interest rates, inflation, exchange rates, and Dow Jones industrial average, the dependent variable as Indonesia composite index. The data from this research data is taken each month with the period examined in 2008 - 2011. And the method of data collection used is the method of Time Series. The results of this research suggest that interest rates, inflation, exchange rates, and Dow Jones industrial average simultaneously affect the movement of the Indonesia composite index at the Indonesia stock exchange (IDX) during the period of 2008 - 2011. Partially, inflation and interest rates, the Dow Jones index and the negative impact of Indonesia composite index in significant stock exchange Indonesia, while the exchange rate effect is positive but not significantly to Indonesia composite index in Indonesia during the 2008 - 2011.