The current exchange rate for the Indonesian Rupiah (IDR) is 15303.7 IDR per American Dollar (USD), as of the time this was written. The IDR reached a high of 15,303.7000 IDR per USD, and a low of 14,661.5000 IDR per USD during the last 90 days. The average exchange rate for the IDR was 14,930.9962 IDR per USD during the last 90 days.
The average volatility of the IDR against the USD was 0.32% over the last 90 days. This is a fairly high volatility rate, and the IDR has fluctuated significantly over the course of the last year. You can reasonably expect somewhat serious fluctuations to continue going forward, barring any unforeseen circumstances.