Japanese CPI (Sep MM) 0.0% (Prev. 0.1%)

Japanese CPI (Sep MM) 0.0% (Prev. 0.1%)

A sequential flat print after a modestly positive prior sits within the familiar pattern of Japanese inflation data arriving soft at the margin while the national figures continue to be read through the lens of the Bank of Japan's normalisation debate. The month-on-month measure is the noisier of the pair; the market's anchor has historically been the year-on-year core and the so-called core-core excluding fresh food and energy, which carry more weight in judging whether underlying trend inflation is holding near target. The prior form on episodes of this kind is that a soft sequential read trims front-end rate-hike pricing only modestly unless it is corroborated by the Tokyo CPI lead or by weakness in services prices, the component officials have flagged as the test of durable wage-driven inflation. The follow-ons that matter are the BoJ's own commentary around the next policy meeting and the wage negotiation cycle, which has tended to dominate single monthly prints. A flat sequential reading on its own has rarely been a regime signal; the distinction worth drawing is between energy and goods disinflation, which is transitory, and a stall in services, which would carry more weight with the board.