Abstract :
The purpose of this research is to know the influence of capital adequacy ratio (CAR), loan to deposit ratio (LDR) and operational cost to operational income (BOPO) to return on Asset (ROA) and return on equity (ROE). The data being used in this research is secondary data from publication report period february 2002 up to february 2008 from PT Bank central Asia Tbk. This research used multiple linear regression method with ordinary least square (OLS). The results from this research indicate that CAR and LDR influence ROA and ROE significantly but BOPO does not influence ROA and ROE significantly. Keywords: CAR, LDR, BOPO, ROA, And ROE.