Key insights and market outlook
The Indonesian rupiah weakened against the US dollar on December 18, 2025, trading between Rp16,695 and Rp16,727 per USD. The depreciation was influenced by global dollar strengthening and mixed Asian currency movements. Finance Minister Purbaya Yudhi Sadewa remains optimistic about the rupiah's prospects, citing return of foreign capital flows and low currency risk 2
The Indonesian rupiah opened slightly weaker at Rp16,695 per USD on December 18, 2025, showing a marginal decline of 0.006% from the previous day's close 5
The rupiah's depreciation was largely influenced by the strengthening US dollar in global markets. This trend was observed across various Asian currencies, with the Taiwanese dollar experiencing the most significant decline at 0.12% 6
Despite the short-term depreciation, Finance Minister Purbaya Yudhi Sadewa expressed optimism about the rupiah's prospects. He cited the return of foreign capital flows into domestic financial markets as a positive indicator, supported by decreasing depreciation expectations and maintained low currency and country risk 2
Analysts project that the rupiah will continue to experience volatility in the near term. The currency is expected to trade within the range of Rp16,690 to Rp16,720 per USD 3
Rupiah Depreciation Against USD
Foreign Capital Flow Return
Bank Indonesia Interest Rate Maintenance