In the Asian trading session today, the Bank of Japan unveiled its latest monetary policy decision, opting to raise its benchmark interest rate by 25 basis points to 1.25%. The decision was backed by seven of the nine board members, reflecting a decisive but not unanimous consensus within the central bank's governing council.
The BoJ's official statement outlined that the adjustment to monetary easing is necessary to achieve the price stability target while ensuring sustainable economic growth. This rationale underscores that inflationary pressures remain the primary driver behind the institution's latest policy tightening move.
Three key factors are currently contributing to rising domestic prices in Japan. The first involves the persistent depreciation of the yen, a trend that traces back to 2012 and spans roughly 14 years. This year, the USD/JPY pair surged to a record high of 163.97, with the currency's weakness pushing up import costs and indirectly fueling the annual CPI growth rate.
The second factor stems from elevated international oil prices. Both Brent and WTI crude have breached the $100 per barrel threshold, a level roughly double what is considered a reasonable benchmark of around $50. Given Japan's heavy reliance on Middle Eastern oil imports, the country has been forced to procure expensive crude, particularly as tensions between the US and Iran persist and the Strait of Hormuz remains disrupted.
The third factor is Japan's macroeconomic recovery. August 2021 marked the end of the country's last deflationary period. Over the subsequent five years, inflation has remained firmly in positive territory, peaking at 4.3%, effectively breaking free from the price declines caused by economic contraction. This recovery likely stems from the passive clearing of excess capacity during the pandemic and the subsequent rebound in both production and demand. Among the three elements, the revival of Japan's broader economy and commodity demand has been the most significant contributor to inflation stability.
However, Japan's low-interest-rate policy appears misaligned with its macroeconomic recovery. An annual CPI growth rate near 2% arguably warrants more than a 1% benchmark rate; true normalization would require the benchmark rate to exceed the CPI reading. Consequently, we anticipate that the BoJ will implement additional rate increases following September's hike, with markets currently pricing in three-month intervals between moves. The yen is likely to receive solid support from these tightening expectations.
Since late July, the yen has entered a sharp appreciation phase against the dollar, with the currency retreating from its highs to around 152.87, near a one-year low. The US Treasury has expressed support for BoJ intervention in yen appreciation, as a stronger yen effectively weakens the dollar, aligning with former President Trump's goals of boosting US exports and reviving manufacturing. As the BoJ continues its hiking cycle, the 10-year Japanese government bond yield is projected to rise significantly, providing a robust foundation for further yen strength.
An associated risk lies in whether Japan's economic recovery can withstand higher interest rates. Since January 2025, the nation's annual CPI has been on a downward trajectory, falling from a peak of 4% to the current 1.9%, signaling potential signs of weakening goods demand. Since initiating its first hike in March 2024, the BoJ has accumulated a total of 135 basis points in increases. While the absolute level of rates remains relatively low, the pace of tightening has been aggressive. Should the dual tailwinds of yen depreciation and rising energy costs diminish, whether CPI can sustainably hover near the 2% target will be crucial in determining the BoJ's long-term policy direction. A downturn in inflation data could cast doubt on both the yen's appreciation trend and the fundamental reasons behind it.
Risk disclosure: Markets carry risk, and investment requires caution. The content above represents only the analyst's personal views and does not constitute any operational advice. This report should not be regarded as the sole reference. Analyst opinions may change over time, and updates will not be provided separately.