Overview of the Impact on Indonesian Banks
Recent reports indicate that Indonesian banks, particularly Bank Mandiri and BNI, may be more “responsive” to changes in yield movements. This assessment comes from UOB Kay Hian (UOBKH), a brokerage firm that has analyzed the potential effects of government bond yields on the banking sector.
According to UOBKH, the Indonesian banking sector is expected to experience minimal impact from fluctuations in government bond yields. However, this conclusion is based on the current understanding of how these yields interact with the overall financial landscape. The firm’s analysis was published on 13 March 2026, highlighting the ongoing concerns about Indonesia’s fiscal trajectory and policy credibility.
Growing Investor Concerns
Moody’s and Fitch have recently expressed growing concerns about the sustainability of Indonesia’s fiscal policies and the credibility of its economic strategies. These concerns are already reflected in the market pricing of 10-year government bonds, which are currently trading over 190 basis points (bp) above the Bank Indonesia (BI) rate.
UOBKH analyst Posmarito Pakpahan noted that their economists anticipate the 10-year bond yield to rise above 7% as fiscal pressures continue to mount. This projection underscores the potential challenges that the banking sector may face if these trends persist.
Earnings Impact on Big Four Banks
Using bond yield as a proxy, UOBKH explained that the direct and immediate earnings impact of rising yields on the Big Four banks is limited. This is because government bond holdings represent only a small proportion of the total earning assets compared to loans.
However, there are variations among the banks. Bank Mandiri is at the lower end, with government bonds accounting for approximately 10.8% of its earning assets, while Bank Central Asia is at the higher end, with around 13.7%. These differences highlight the varying degrees of exposure each bank has to changes in bond yields.
Higher Proportions of Fair Value Through Other Comprehensive Income
Among the Big Four banks, Bank Negara Indonesia (BNI) and Bank Mandiri carry relatively higher proportions of fair value through other comprehensive income and trading book bonds compared to their peers. This means that they are more sensitive to changes in yield movements.
This sensitivity could lead to greater volatility in their earnings if bond yields continue to rise. As a result, investors and analysts are closely monitoring the performance of these two banks in the context of broader economic conditions.
Additional Risks: Rupiah Pressures and Policy Tightening
A secondary risk to the banking sector includes pressures on the Rupiah. If the Rupiah weakens significantly, it could lead to increased costs for banks that have foreign currency liabilities. Additionally, the Bank Indonesia (BI) may consider tightening monetary policy in response to these pressures, which could further impact the banking sector.
The interplay between bond yields, exchange rates, and monetary policy creates a complex environment for Indonesian banks. While the immediate impact of rising yields may be limited, the long-term implications remain uncertain.
As the economic landscape continues to evolve, banks will need to adapt their strategies to manage these risks effectively. The ability to navigate these challenges will be crucial for maintaining stability and ensuring continued growth in the banking sector.
Bahran Hariz adalah seorang penulis di Media Online IKABARI.
