“…Thus, the inflation rate can be controlled through an interest rate policy (Fang, Sohel, & Chien-Ting, 2012;Fornari, Carlo, Marcello, & Massimo, 2002;Kim & Jeffrey, 2000;Kiptui, 2014;Tennant & Abiodun, 2009). However, in reality, Ozdemir and Cuneyt (2012) reveal that the determination of interest rates is not only influenced by inflation, but also the sharing of factors that can cause a bank to determine the size of the interest rate whether it is deposits, savings or credit. Thus, our purpose is to examine the effect of money supply, inflation rate, exchange rate, and economic growth on the interest rate volatility in Indonesia.…”