The Bank of Japan raised its policy rate to 1.25 percent from 1.00 on Friday, the highest level since 1995. It was the sixth increase since the bank exited negative rates in March 2024, and it came three months after the June hike, the shortest gap in the cycle so far against roughly six months previously.
The yen fell. Dollar-yen pushed back above 157. The ten-year government bond yield slipped and the Nikkei 225 rose 1.5 percent.
That is not how the textbook goes. Higher rates are supposed to attract capital and lift the currency. Here the currency weakened on the news of its own support.
The explanation is in two numbers that are not the headline. The vote was 7-2, with two board members preferring to hold. And Governor Kazuo Ueda made no commitment to further increases.
Markets were not pricing the decision, which was fully expected and matched forecasts. They were pricing the path, and the path just got two votes worth of doubt attached to it. A unanimous hike with a hawkish press conference says more is coming. A split hike with a careful governor says this may be near the end, and the carry trade adjusts accordingly.
Every operator who has ever announced a price rise knows this dynamic and most underestimate it badly.
You put the flat white up thirty cents. The sign goes on the counter. What determines whether customers accept it is not the thirty cents at all, it is whether they believe another thirty is coming in four months. A price rise presented as a one-off correction, explained and closed, gets absorbed. A price rise that arrives with a shrug and no explanation makes every regular start scanning the board on each visit, because they are now forecasting rather than buying.
And the tell is never in the announcement. It is in what the staff say when asked. If the person behind the machine says this should hold us for the year, that is one message. If two of them are visibly uncomfortable and say they were not sure about it, the customers learn something the sign did not say.
The BOJ’s substantive position is genuinely difficult. Japan imported 94 percent of its crude from the Middle East in 2025, most of it through Hormuz, so the war lands directly on its import bill and through the weak yen it lands twice. Headline inflation reached 1.9 percent in August while core, excluding fresh food, eased to 1.7 from 1.8. So the price pressure is substantially imported energy rather than domestic overheating, which is exactly the case for hesitation the two dissenters presumably made. Meanwhile a shrinking labour pool keeps lifting wages, which is the case for continuing.
There is also an external hand in it. US Treasury Secretary Bessent has publicly nudged Japan on rates, and that pressure is now part of the story the market reads.
The next meeting is 29 to 30 October, with a fresh Outlook Report.
The rate went up. The message went sideways, and the message is what got traded.
Source: Babypips, “Bank of Japan Hikes Rates to 1.25%, But the Yen Falls”
