摘要:The purpose of this study was to determine the effect of interest rate on BankIndonesia SBI to the stock price index which sold in Indonesia Stock Exchange(BEI) in the first half of 2008. In the event that the author put forward twohypotheses, namely the null hypothesis (Ho), which states that there is nocorrelation between the SBI rate at Bank Indonesia on the stock price index inIndonesia Stock Exchange (BEI) in the first half of 2008 and the alternativehypothesis (Ha) states that there is a correlation between the SBI interest rate ofstock price index at Indonesiaa Stock Exchange (BEI) in the first half of 2008.Analysis techniques used in this study is a simple linear regression analysis andcoefficient of determination (r2). While analysis tools used to test the hypothesisis by comparing the value and tables