This index represents the interest rate that banks charge their most creditworthy customers quoted on a ACTUAL/360 day basis. This index is also the base rate on corporate loans. The Bloomberg Prime Rate will change as soon as 13 out of the Top 25 banks, based on Total Assets, change their prime rate. To view a list of Top 25 banks please refer to ALLX PRBK <Go>. This series reflects the effective rate.