Inflation week: the market prices a 60% Fed hike, our structural monitor reads 49 and flat — the pressure is oil, not wages, and bonds have already paid for it

Two inflation numbers land this week, four days before the Fed decides, and the market has already made up half its mind: fed funds futures put a quarter-point hike on September 16 at about 60%. Producer prices come Thursday, consumer prices Friday. Both are expected to rise 0.4% for August, which would leave the headline consumer rate at 3.4% for a second month, down from 4.2% in May and up from where it was a year ago. Chair Warsh said at Jackson Hole that the two cooler summer readings did not tell him the underlying trend had improved, and one reading of that sentence is that an in-line print is enough for a hike.

We keep a different instrument for this week. Our structural inflation monitor does not try to guess Friday's number. It takes 26 US series in seven buckets and asks two questions: how much of the inflation is built into wages, rents and expectations, and how much is a shock passing through. As of last Thursday it reads 49 out of 100, which it labels contained, with direction flat and character mixed. That is a monitor telling us the pressure the market is pricing is real but not structural, and the rest of this note is about where the difference lives and what the bond market has already done with it.

What the monitor says: the pressure is oil and expectations, not wages or rents

Four of the seven buckets sit below 50. Core cost pressure, wages against productivity, is at 47, with private wages and salaries growing 3.1%, the slowest since May 2021. Labor tightness is 43. The shelter pipeline is 44. Breadth, the Cleveland Fed's median and trimmed-mean measures, is 45: the median consumer price index runs at 2.96% annualised, the 16% trimmed mean at 2.0%, the Dallas Fed's trimmed-mean PCE at 2.19%. Those are the numbers underneath the 3.4% headline, and none of them is accelerating.

Three buckets sit above 50. Supply, import and energy costs, the shock bucket, is at 57 with a z-score of +0.56, and the monitor's own note reads: supply pressure not yet spreading to breadth or expectations, treat as noise. Long-run inflation expectations are at 65, the highest bucket, which is the part that should worry a central bank, because expectations are the channel through which an oil shock becomes a wage shock. Margins and financial conditions are at 63. So the split is clean: the top of the index is energy and the fear of energy, the base of the index is cooling.

That matches the arithmetic of July's report. The energy component of the consumer index was up 14.7% from a year earlier, gasoline 24.6%, while wages slowed. Since then Brent has gone from the low 90s to $98, US gasoline averaged a record $4.15 a gallon over Labor Day, diesel a record $5.85, and the Strategic Petroleum Reserve is at a 44-year low. Thursday's producer prices are expected to jump to 5.2% year on year from 4.7% on exactly that. The monitor will not move on Friday's headline; it moves when the expectations and breadth buckets follow the supply bucket, and as of Thursday they had not.