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Japan’s Central Bank Raises Policy Rate to 31-Year High

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Core Event: BOJ lifts benchmark to 1.25%

On September 18, the Bank of Japan increased its uncollateralized overnight call rate from 1.00 % to 1.25 %, the highest since 1995. The move was approved by a 7-2 vote; Board members Toichiro Asada and Ayano Sato dissented, citing core inflation below the 2 % target.

Background & Context

The BOJ has been normalising policy after years of near-zero rates, with hikes in June and September 2026. Inflation pressures stem from higher global oil prices, a weakening yen and rising wages. U.S. Treasury Secretary Scott Bessent urged Tokyo to act, noting the yen’s role in import-price inflation. The United States and Europe have also lifted rates, widening the interest-rate differential that traditionally supports the yen.

Data & Statistics

  • Policy rate: 1.25 % (up 0.25 ppt).
  • Core consumer inflation (August): 1.7 % (down from 1.8 % in July).
  • Overall CPI (July YoY): 1.9 % – fastest since Dec 2025.
  • Yen-dollar: ¥156.6–¥156.9 per $1 after the announcement.
  • 10-year JGB yield: 2.947 % (down 4.9 bps).

Official Statements & Responses

Governor Kazuo Ueda held a press conference at 3:30 p.m. GMT to discuss the pace of future hikes.

Internal Opposition

Board members Toichiro Asada and Ayano Sato, appointed by Prime Minister Sanae Takaichi, voted against the hike, arguing that inflation remains below target and recent price developments are not yet accelerating.

Why It Matters / Impact

The rate rise narrows the gap with the Federal Reserve’s 3.75-4.00 % range and the ECB’s 2.5 % rate, yet the BOJ stays lower, keeping downward pressure on the yen and feeding import-price inflation. Analysts expect the policy rate could reach 1.5 % by end-March 2027 and 1.75 % in the second quarter of 2027, with many seeing a terminal rate of at least 1.75 %.

Conflicting Reports & Gaps

Sources differ on the yen’s immediate reaction: some note a decline to ¥156.64, others cite ¥156.91 per $1. Inflation commentary also varies; one outlet describes August inflation as “little changed,” another highlights a modest slowdown from 1.8 % to 1.7 %. The BOJ’s forward guidance remains vague, leaving uncertainty about the timing and magnitude of subsequent hikes.

Verbatim Quotes

  • “The rate hike itself was in line with market expectations, but the two dissenting votes came as a modest surprise, as only some market participants had anticipated them,” — Hirofumi Suzuki, chief FX strategist at SMBC
  • “The tone of the statement, along with two dissenters on the decision to raise rates, leaves lingering doubts that Japan's central bank will be cautious in tightening monetary policy further,” — Fred Neumann, chief Asia economist at HSBC
  • “Inflation was little changed in August but there are mounting signs that higher energy costs are feeding through and we expect it to rise above the BoJ's two percent target before long,” — Marcel Thieliant, Capital Economics
  • “Markets are divided between those who see hawkish BOJ communication as helping lower bond yields by alleviating concern it is behind the curve on inflation, and others who see it as lifting yields by moving up terminal-rate bets,” — Katsutoshi Inadome, senior strategist at Sumitomo Mitsui Trust
  • “With the Fed hiking rates and maintaining market expectations for additional increases, the BOJ faces significant pressure. The bar for Governor Ueda's press conference has been raised.” — Takeshi Ishida, strategist at Kansai Mirai Bank