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Tokyo October CPI YoY Rate Climbs to 2.8%, Energy Price Rebound Fuels Expectations of BOJ December Rate Hike

2026-11-01

According to the latest data, the YoY CPI rate for the Tokyo area in Japan on 2026-10-01 (Q4 2026) climbed to 2.8%, further accelerating from the previously observed 2.7% on 2026-09-01 (Q3 2026). This figure is slightly higher than the market consensus and remains firmly above the Bank of Japan's (BOJ) 2% inflation target, indicating that the upward price pressure in the metropolitan area remains highly sticky.

Delving into the breakdown, the inflation structure shows a clear phenomenon of "internal rotation". The core CPI YoY rate, excluding fresh food, slowed slightly to 2.6% in October. Among this, rice prices saw a staggering plunge of 31.3%, marking the largest drop since 1971, while the increase in water charges also flattened compared to the previous month's surge. However, affected by the reduction of the Japanese government's summer utility subsidy policy, electricity and gas prices reversed upward, becoming the key engine driving the overall CPI (Headline CPI) higher.

Regarding this data, analyses from institutions such as Bloomberg and ActionForex point out that although the cooling of some food prices successfully capped the surge in core inflation, the rebound in energy prices has reignited market concerns about inflation. Furthermore, the BOJ mentioned in its latest released outlook that elevated international crude oil prices, strong demand driven by AI, and a relatively weak yen make it difficult for imported and structural inflation to fade away in the coming years.

Looking ahead, short-term (1-2 months) inflation risks will be concentrated on November's energy bills, by which time utility subsidies will be completely phased out, which is expected to further increase household burdens and push up short-term data. Over the medium term (3-6 months), the Bank of Japan resolved at the end of October to maintain the benchmark interest rate unchanged at 1.25%, but officials explicitly forecast that core inflation for fiscal years 2026 and 2027 will stabilize at an elevated level of 2.5% to 2.7%. The robust price data, coupled with hawkish official guidance, has forged a high market consensus that the BOJ may officially initiate a new round of rate hikes in December; it will be necessary to closely monitor the disruption of oil prices by the situation in the Middle East and FX market volatility in the future.

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