The study analyzed factors affecting the Rupiah exchange rate and the impact of Bank Indonesia Regulation No. 17/3/2015. Using data from 2008 to 2019, they found that export-import negatively affects the exchange rate, inflation has no significant impact, money supply negatively affects it, Bank Indonesia interest rate positively affects it, and the regulation has a positive impact on the exchange rate. The study also showed that crisis conditions do not affect exchange rate changes.