Why Indonesia’s Banks are Bracing for a ‘Strait of Hormuz Shock’ Amid Rising Global Tensions

JAKARTA, Investortrust.id — Indonesia’s financial regulators are sounding the alarm on a brewing "indirect contagion" from the escalating conflict between the United States, Israel, and Iran. While Indonesian banks have virtually no direct balance sheet exposure to the Middle East, the Otoritas Jasa Keuangan (OJK)—the nation’s financial services super-regulator—warns that a geopolitical firestorm could still hit the archipelago’s banks through the back door of global energy markets.

The central concern is not the credit default of a foreign sovereign, but a systemic disruption at the Strait of Hormuz. Any closure of this vital maritime artery would likely send global energy prices soaring, forcing a chain reaction of domestic inflation, central bank tightening, and a potential spike in Non-Performing Loans (NPL) as Indonesian businesses struggle to keep up with rising costs.

For global investors, Indonesia has long been a "defensive" darling due to its robust domestic consumption and high bank capitalization. However, an energy-led inflation spike could force the central bank to hike rates, stalling credit growth and testing the resilience of the nation’s massive SME sector. The OJK’s proactive signaling suggests that while the "fortress balance sheets" of major Indonesian lenders are intact, the era of ultra-low bad debt ratios may be facing its toughest test in years.

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The Energy Transmission Belt

OJK Chief Executive of Banking Supervision Dian Ediana Rae emphasized that Indonesia’s "open economy" status makes it impossible to remain insulated from a geo-economic shift. The primary threat lies in the "Hormuz Disruption," which could ignite a rally in fuel and logistics costs, directly impacting Indonesia’s manufacturing and transportation sectors.

"A disruption in global energy distribution via the Strait of Hormuz has the potential to disrupt energy commodity prices," Rae explained during a press conference on Monday, April 6, 2026. He noted that these rising costs would inevitably trickle down to the prices of raw materials and food, further suppressing the purchasing power of the Indonesian consumer.

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The Looming NPL Threat

The OJK is closely watching for a rise in bad debt as corporations and small businesses face a triple threat: higher energy bills, increased logistics costs, and a depreciating Rupiah that makes imports more expensive. Rae specifically flagged energy-sensitive industries and the Small and Medium Enterprise (SME) segment as the most vulnerable "first responders" to this economic pressure.

"This can potentially increase the non-performing loan ratio and the need for impairment provisions (CKPN), especially in sectors sensitive to energy prices and logistics, such as transportation and manufacturing," Rae stated. He added that under these conditions, banks would likely adopt a "risk-off" stance, potentially slowing down the national credit growth engine.

A Fortress Built to Last

Despite the warnings, the OJK maintains that the Indonesian banking sector is entering this period of uncertainty from a position of extreme strength. As of February 2026, the industry-wide Capital Adequacy Ratio (CAR) stood at a massive 25.83%, significantly higher than the requirements set by the Basel Committee on Banking Supervision.

The current NPL ratio remains comfortably below the 3% danger zone, sitting at 2.17%. Liquidity is also flush, with the Liquidity Coverage Ratio (LCR) at 195.64%, indicating that banks have more than enough "dry powder" to meet short-term shocks. "The results of stress tests by both OJK and the banks themselves show that the level of banking capital remains resilient against significant changes in Indonesia's macroeconomic conditions," Rae concluded.