Indonesia's Rupiah Breaks 1998 Crisis Low as Bank Indonesia Shifts to Stability Mode
The Indonesian rupiah has plunged past its 1998 Asian Financial Crisis record, hitting Rp 17,680 per dollar amid the Iran war fallout and global capital flight.
Indonesia’s Rupiah Breaks 1998 Crisis Low as Bank Indonesia Shifts to Stability Mode
For decades, the specter of the 1997–98 Asian Financial Crisis has haunted Indonesia’s economic policymaking. That crisis, which saw the rupiah collapse from roughly Rp 2,400 to over Rp 17,000 per US dollar, reshaped the nation’s financial architecture and left deep scars on a generation of Indonesians.
Now, that painful history has been rewritten. On Monday, May 18, 2026, the rupiah slid to Rp 17,680 per US dollar — surpassing the historic low set during the darkest days of the Asian Financial Crisis.
What Happened
The rupiah has been on a downward trajectory since late February, when the United States and Israel launched military operations against Iran. The conflict has sent shockwaves through global energy markets, with disruptions to the Strait of Hormuz removing up to 100 million barrels of crude supply per week.
For Indonesia, a net oil importer, the consequences have been brutal. Brent crude hovering around $110 per barrel has dramatically increased the country’s dollar demand for energy imports, placing enormous pressure on an already weakening currency.
By April, the rupiah had breached Rp 17,300 — the previous record from 1998. By mid-May, it had crashed through Rp 17,500. And on Monday, it hit a new record low of Rp 17,680.
Bank Indonesia Responds
In a hearing with House of Representatives Commission XI on Monday, Bank Indonesia Governor Perry Warjiyo delivered a sobering message: monetary policy can no longer be pro-growth — it must be pro-stability.
“With such a global situation, monetary policy can no longer be pro-growth, it has to come back to stability, because [BI’s] mandate is to maintain stability.”
Warjiyo expressed confidence that the rupiah would average around Rp 16,800 per dollar for the year, within the Rp 16,500–16,900 range set in the 2026 state budget. But markets appear skeptical — the currency has already blown well past that range.
BI has held its benchmark interest rate steady at 4.75% and tightened US dollar purchase limits to support its market interventions. The central bank has also stepped up foreign exchange market operations since the rupiah first weakened beyond Rp 17,000 in early April.
The Perfect Storm
The rupiah’s decline isn’t driven by a single factor. It’s the convergence of multiple forces:
Geopolitical shock. The Iran war has disrupted global energy supplies and triggered a flight to safety, pushing up the US Dollar Index and making emerging market assets less attractive.
US monetary tightening. The Federal Reserve has maintained a “higher-for-longer” stance, holding rates at 3.75%. US 10-year Treasury yields have risen to 4.47%, narrowing the interest-rate differential that once made Indonesian assets attractive to foreign investors.
Capital outflows. Investors have pulled significant funds from Indonesian markets — $1.6 billion in the first three weeks of January alone — and the trend has only accelerated.
Domestic vulnerabilities. Despite a seemingly strong 5.61% year-on-year GDP growth in Q1 2026, critics argue the growth is shallow, driven by social spending and seasonal consumption rather than productive investment.
Regional Context
Indonesia isn’t alone. The Malaysian ringgit, Philippine peso, and Indian rupee have all faced similar pressure from the same external forces. The Thai baht has also weakened since the start of the year, though it managed to buck the trend on Monday.
This is fundamentally a story about emerging markets losing their appeal as yield destinations in a world of elevated US rates, geopolitical instability, and energy price shocks.
What’s at Stake
Preventing the rupiah from sliding further is now the most critical credibility test for both Bank Indonesia and President Prabowo Subianto’s government. A weaker rupiah drives up the cost of imported goods — from fuel to food to medicine — directly hitting Indonesian households.
The government’s 2026 budget assumption of Rp 16,500–16,900 per dollar already looks optimistic. If the currency doesn’t stabilize, fiscal pressure will mount, potentially forcing spending cuts or additional borrowing.
BI’s shift toward a pro-stability stance signals that the central bank recognizes the gravity of the situation. But with limited ammunition and a global environment that shows no signs of easing, the path ahead is uncertain.
The Road Ahead
Warjiyo has pledged that BI stands ready to undertake further monetary policy measures to preserve rupiah stability. The question is whether those measures will be enough in the face of systemic global headwinds.
For everyday Indonesians, the rupiah’s slide is more than a financial headline. It’s a reminder that their economy is deeply connected to forces far beyond their borders — and that the ghost of 1998 never really went away.
Sources: The Jakarta Post, Asia Times, Bank Indonesia, Tempo.co, IDNFinancials