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Japan's Q3 Core CPI Climbs to 2.1%, Returning Above the BOJ's Target for the First Time in Nine Months

2026-10-23

Core Overview: According to the latest data, the annual growth rate of Japan's core consumer price index (Core CPI), excluding fresh food, for September 2026 (Q3) was reported at 2.1%. This not only met market consensus expectations but also showed a significant increase from the previous reading of 1.7% (August). This data broke the relative sluggishness of the past eight months, marking the first time this year it has breached the 2% inflation target set by the Bank of Japan (BOJ), indicating that overall price upward momentum is re-gathering.

Key Details: Breaking down the detailed data, inflation pressure is spreading to more sectors. First, the "core-core CPI," which further excludes the impact of fresh food and energy prices, reached an annual growth rate of 2.4%, significantly higher than the previous 1.9%, setting a new high for the past half-year. In addition, service prices increased by 1.5% year-on-year, marking the fastest growth rate since March of this year; while food prices, excluding fresh food, also accelerated to 2.9%, highlighting the price stickiness of consumption items related to domestic demand.

In-depth Attribution: The overshoot of inflation this time is primarily driven by the dual forces of external imported pressure and internal cost pass-through. Analysis from Bloomberg and the Dai-ichi Life Research Institute pointed out that Middle East geopolitics have pushed up energy costs, which, coupled with a weak yen raising import prices, has significantly weakened the buffering effect of government fuel subsidies. At the same time, a tight labor market has prompted an increase in corporate wage costs, and the service sector's willingness to pass costs onto consumers has significantly strengthened, forming a more persistent structural inflation.

Outlook and Risks: Looking ahead, in the short term (1-2 months), as major Japanese food and beverage companies launched large-scale price hikes on over 3,000 products in October, the core CPI is expected to remain volatile at a high level, and the BOJ may also upwardly revise its inflation forecast at its upcoming monetary policy meeting. In the medium term (3-6 months), robust service inflation provides solid data support for the normalization of monetary policy. Currently, most economists estimate that the Bank of Japan is highly likely to further raise the benchmark interest rate in December. Investors must closely guard against the potential impact that higher interest rates and yen exchange rate fluctuations may have on risk assets at that time.

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