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Ottawa's budget is out, and the first hour of price treated it as a detail rather than a verdict. The Canadian dollar slipped on every cross that printed in the hour after the 20:03 GMT release — between one and a half and three basis points against the yen, the euro, the aussie and sterling, a median 2.5 — and the only double-digit cell went to the kiwi, the hour's firmest currency, which took 10.5 basis points from the loonie while rising on all seven of its own legs.

That is a drift with a soft edge, not a rejection: after a day spent carrying an oil bid into the release and shedding it slowly through the afternoon, the delivery itself moved the currency less than a routine data miss would. No same-day account of what the document actually contains is yet in circulation, so the first hour is trading the fact of the budget rather than its arithmetic — and the considered verdict belongs to Wednesday's full North American session, where the audience that matters most is the bond market.

The spring update laid out total borrowing of C$571 billion for 2026-27, more than three-quarters of it refinancing maturing debt, under a plan RBC summarised as growth focused and deficit fuelled, with the 2025-26 deficit marked to $66.9 billion and the anchor a declining deficit-to-GDP track; whatever the fall document adds to that track is what Wednesday prices.

The stakes sharpened the very morning it landed: Canada's counter-tariffs on $27.6 billion of American goods took effect today at matching rates of 15, 25 and 50 per cent, and Ottawa in August pledged $7.5 billion of support for tariff-hit workers and businesses on top of nearly $25 billion already committed — spending that has to appear somewhere in the fall arithmetic.

The Bank of Canada, which held at 2.25 per cent on September 2 with a mildly hawkish reading of a broadening recovery, now has a fiscal impulse to weigh against that stance. Elsewhere the board closed the New York afternoon at its quietest of the day: the yen, which had taken the whole board in each of the two prior hours, sat flat on its crosses — a pause, with nothing in its compounding case changed — while sterling and the euro drifted within a basis point or two of where they started.

Friday's American inflation print, the Federal Reserve on the 15th and 16th and the Bank of Japan on the 18th still frame the week's larger questions; Ottawa's answer to its own gets graded when the bond market opens on it.