The BoJ's slow walk out of accommodation

The Bank of Japan's March meeting minutes, released alongside the subsequent April and June records, do not contain a policy surprise. They contain something more useful: a paper trail. Read in sequence, the documents show a Policy Board edging from conditional patience toward conditional normalisation, with the debate now centred on the durability of wage-driven inflation rather than its existence. For anyone pricing the next move in JGB yields or the yen, the interesting question is no longer whether the BoJ tightens further, but what evidence would stop it.

The March 18-19 minutes are the anchor document in a trilogy. They sit between the January decision and the April 27-28 meeting, whose minutes and Summary of Opinions the Bank has since published, and the June 15-16 Summary of Opinions that closes the sequence. Taken together, these are the only authoritative window macro readers have into how the Board is actually reasoning — not what Ueda says at the press conference, but what the nine members argued about in the room. The dossier here contains the source documents themselves, without external commentary or quantified forecasts layered on top.

What the paper trail actually shows

The consistent throughline across the three meetings is the Board's assessment of inflation momentum and its willingness to name risks in both directions. The April minutes, per the Bank's own summary, capture members weighing economic activity, inflation developments and risk factors as inputs into the policy stance and forward guidance

. The June Summary of Opinions extends this by recording diverse individual views on price trends and the outlook. This is not the language of a committee on autopilot. It is the language of a committee that has re-acquired optionality after a decade in which it had none.

The operational question for markets is which risk the Board treats as asymmetric. If members increasingly frame downside inflation risk as the tail — a stall in wage pass-through, an external demand shock, a stronger yen tightening financial conditions on its own — then the hurdle for further hikes rises materially. If instead the upside risk dominates the discussion, as the shift in tone from March to June tentatively suggests, the next move is a question of timing rather than direction. The minutes do not settle this. They show the Board settling it in real time.

The BoJ has re-acquired optionality after a decade in which it had none. That is the story the minutes tell.

A caveat on this Briefing: the dossier is composed entirely of official Bank of Japan releases, and contains no quantified external forecasts, no dissenting sell-side calls, and no dated probability estimates for the next rate move. There is, in other words, no spectrum to present — only a primary-source record and the inferences a careful reader can draw from it. Treat what follows as a reading of the Bank's own words rather than a synthesis of Street opinion. The next data points that would sharpen the call are the July Outlook Report and the shunto wage follow-through into autumn bonuses; until then, the base case

remains that the BoJ tightens again before it eases, but the Board has bought itself room to be wrong in either direction.

For prediction-market construction, the resolvable questions are narrow but tractable. Does the BoJ raise the policy rate at any meeting through year-end 2026? Does the 10-year JGB yield close any session above a defined threshold before the October meeting? Does the Summary of Opinions from the next meeting contain explicit language on the timing of the next adjustment? These are the questions the minutes make answerable. The minutes themselves answer none of them — but they tell the reader which sentences in the next release to look for first.