US-Iran peace hopes boost Rupiah

The Indonesian Rupiah saw a notable strengthening on Monday, June 15, 2026, opening at Rp 17,778 against the US dollar, marking a 0.46% gain. This appreciation is largely attributed to a surge in optimism regarding a potential peace agreement between the United States and Iran, a development that has positively impacted regional and global markets.

Lukman Leong, an analyst at Doo Financial Futures, explained that the improved sentiment in the Middle East has triggered a "risk-on" environment, leading to a decrease in global crude oil prices. He noted that reports of an interim peace deal between the US and Iran have directly contributed to the dollar's decline against the Rupiah. The market is now anticipating the finalization of this agreement, which is reportedly set to be ratified through a UN Security Council resolution.

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The Rupiah has the potential to strengthen again against the dollar amidst increasing hopes for peace in the Middle East, triggering risk-on sentiment and a decrease in global crude oil prices.

Further bolstering these hopes, Iranian Deputy Foreign Minister Kazem Gharibabadi confirmed that a memorandum of understanding between Iran and the United States has been finalized and is scheduled for signing in Switzerland on June 19. The draft agreement reportedly includes a commitment from the US not to interfere in Iran's internal affairs and to respect its sovereignty. Additionally, the pact outlines the reopening of the Strait of Hormuz within 30 days of the memorandum's signing.

Based on these factors, currency analysts project the Rupiah to trade within a narrow band of Rp 17,750 to Rp 17,850 against the US dollar in the near term. The successful implementation of the US-Iran peace deal is seen as a crucial determinant for sustained Rupiah strength.

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The dollar index fell on reports that an interim peace deal between the US and Iran had been reached.