The Indonesian rupiah slipped to a record low of 17,315 per US dollar on Tuesday, prompting Bank Indonesia to step into markets. The central bank said officials used offshore and domestic non-deliverable forwards, spot trades and government bonds in the secondary market. This move follows a regional sell-off after a surge in oil prices linked to tensions in the Middle East, which has also pushed the Indian rupee and Philippine peso lower. Bank Indonesia said it will stay present in markets to ensure trading functions properly and to keep the rupiah aligned with its fundamentals.

The rupiah's new low came as global investors fled assets seen as most exposed to higher oil costs. The currency weakened despite central-bank intervention, underlining the intensity of recent flows out of emerging-market assets.

Bank Indonesia said on Tuesday that it intervened through several channels. It named offshore and domestic non-deliverable forwards, spot transactions and purchases in the secondary market for government bonds. The central bank said it would continue to be present in the market to stabilise the rupiah in line with its fundamental value.

What pushed the currency down

Markets have been reacting to a spike in oil prices tied to renewed Middle East tensions. One report cited closure of the Strait of Hormuz and said oil moved above $100 a barrel, a development that adds pressure on oil-importing economies and their currencies. That piece also recorded a separate intra-day print of the rupiah at 17,315 per dollar in early trade.

Investors sold assets from countries judged most exposed to higher crude prices. The Indian rupee also fell to a fresh low. The Philippine peso weakened and was trading close to its record lows. Those moves reinforced downward pressure on the rupiah.

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How Bank Indonesia acted

The central bank chose a mix of onshore and offshore tools. Using non-deliverable forwards lets authorities influence forward pricing without moving physical reserves. Spot intervention addresses immediate liquidity needs.

Secondary-market bond operations can absorb excess supply and support local currency demand.

Bank officials framed the interventions as measures to keep market mechanisms working and to stabilise the currency. They didn't disclose the size of the operations or say whether foreign-exchange reserves were used directly. The central bank's statement, as reported, focused on presence and market function rather than on an absolute target level for the exchange rate.

Short-term traders may treat the central bank's activity as a signal that authorities will counter disorderly moves. That can help calm markets briefly. But sustained pressure typically requires a longer window of policy support or a step change in market sentiment.

Market reaction and regional context

Currency moves across the region showed a common thread: higher oil prices and heightened geopolitical risk. For countries that import most of their energy, a jump in crude raises the cost of imports. That, in turn, can widen current-account deficits and weigh on local currencies if capital flows reverse.

Analysts and traders watching Asian FX said liquidity looked thin when tensions spiked, making exchange rates more sensitive to large orders. One market snapshot showed limited trading depth, which can magnify price moves when momentum accelerates.

Policymakers often balance two aims in such episodes. They want to deter speculative runs while avoiding permanent interference that would distort price discovery. Bank Indonesia's mix of tools suggests authorities wanted both immediate stabilisation and a route to normal market functioning.

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Bank Indonesia didn't disclose the size of the operations or whether foreign-exchange reserves were used, saying only that it would remain present in markets to ensure orderly trading.

This article was created with AI assistance.