BoJ Normalization Sparks Sharp Rise in Japanese Bond Yields

The Bank of Japan's (BoJ) move away from low interest rates has led to a significant increase in Japanese bond yields. The country's 10-year government bond yield has risen from around 0.2% in early 2022 to 2.7% in July 2026, marking a clear break from decades of exceptionally low borrowing costs.

The higher yields are largely due to the BoJ's normalization of monetary policy, which includes raising its policy rate from negative 0.1% in April 2024 to 1.0% in June 2026. This change has also led to a reduction in central bank purchases of Japanese Government Bonds (JGBs), allowing private investors to absorb a larger share of government issuance.

While higher yields pose a challenge for Japan's public finances, the country's deep domestic investor base and long debt maturity profile help mitigate near-term refinancing risks. The key credit question is whether nominal growth can remain above the government's effective borrowing cost, which would allow debt dynamics to remain manageable despite higher yields.

The BoJ's policy normalization has also had an impact on the banking sector, with Japanese banks benefiting from higher interest rates and boosted net interest income. However, the increased duration risk for institutions holding significant JGBs is a concern that needs to be closely monitored.