Two of Asia’s largest emerging economies are burning through central bank firepower to keep their currencies from sliding further. Indonesia and India both intervened in foreign-exchange markets to prop up the rupiah and rupee, respectively, as rising energy prices and a strengthening US dollar applied relentless pressure.

What Indonesia is doing, and what it’s costing

Bank Indonesia confirmed it was active across multiple market segments, including spot and non-deliverable forward markets, both onshore and offshore, to cushion the rupiah’s fall.

BI raised its benchmark interest rate by 50 basis points to 5.25%, marking the first rate hike since 2024. Higher rates are the textbook playbook for currency defense: they make holding rupiah-denominated assets more attractive to foreign investors, theoretically slowing capital outflows.

Indonesia also imposed stricter rules on dollar purchases, capping monthly buys at $50,000 per individual.

Indonesia’s forex reserves declined by approximately $10 billion through April 2026. Despite those efforts, the rupiah hit record lows, trading between 17,400 and 17,700 IDR per US dollar.

President Prabowo Subianto sought to reassure markets by emphasizing Indonesia’s strong economic fundamentals.

India’s parallel battle

The RBI intervened in foreign-exchange markets alongside Indonesia, deploying its own reserves to stabilize the rupee. Both countries were fighting the same underlying dynamic: military conflicts in the Middle East, particularly involving Iran, pushed oil prices higher and drove a flight to the dollar.

Why crypto investors should pay attention

When governments impose capital controls, like Indonesia’s $50,000 monthly cap on dollar purchases, they create friction in the traditional financial system. Historically, increased friction in fiat markets has correlated with heightened interest in alternative stores of value, including Bitcoin and stablecoins.

During Turkey’s lira crises, during Argentina’s peso controls, and during Nigeria’s naira restrictions, crypto trading volumes in those countries tended to rise as citizens looked for ways to preserve purchasing power outside the banking system.

The rate hike to 5.25% in Indonesia also matters for broader risk appetite. Higher rates in emerging markets can pull capital away from speculative assets globally, including crypto.

Investors should watch whether Indonesia’s forex reserves continue to deplete at the current pace, and whether oil prices stabilize or continue climbing. Persistent energy inflation puts continuous downward pressure on both the rupiah and the rupee, making the central banks’ jobs progressively harder.