The Federal Reserve gets one final inflation reading before it votes on interest rates next week, and this one carries more weight than most. The Bureau of Labor Statistics releases the August consumer price index at 8:30 a.m. Friday, the last major data point in a stretch that has left the rate outlook unusually unsettled.
Economists surveyed by Dow Jones expect the report to show prices for all measured goods and services climbed 0.4% last month, which would put the annual inflation rate at 3.4%. Strip out food and energy, and the consensus looks for core inflation of 0.2% on the month and 2.4% over the past year.
Those headline numbers matter, but the CPI has a second job this month: it feeds directly into the personal consumption expenditures price index, the Fed’s preferred inflation gauge, which arrives at the end of September. As Nomura economists put it in a note, the September FOMC decision ultimately hinges on the CPI data, since most PCE components are derived from it.
Nomura is still calling for no hike at next Wednesday’s meeting. But the firm flagged the risk plainly — if August CPI, particularly the pieces that feed into PCE, comes in hotter than expected, the odds of policy firming next week rise substantially.
Rate-hike odds jump after PPI
Traders moved in that direction Thursday after the producer price index, a measure of wholesale inflation, crossed the wires. According to CME Group’s FedWatch gauge of futures prices, the market-implied probability of a quarter-point increase climbed above 73%.
The problem is that those expectations have been jumpy, swinging with each new data release and with energy prices that have moved sharply on their own. That volatility raises the stakes for Friday’s number rather than lowering them.
Fed Chair Kevin Warsh has signaled that he leans on market indicators for direction on monetary policy, which gives the FedWatch readings added relevance heading into the meeting.
Energy prices and a finely balanced call
Bill Adams, chief U.S. economist at Fifth Third Commercial Bank, described the September decision as finely balanced as the month began — and suggested the recent surge in energy prices will likely tip it toward a hike. He also left room for other forces to intervene, noting that a large surprise in Friday’s CPI or a last-minute deal with Iran could still change the calculus.
That combination — a data-dependent Fed, a market that has been repricing in real time, and an energy backdrop that has done some of the tightening on its own — is why a routine monthly inflation report is drawing outsize attention this time around.
Friday’s release will tell officials how much of the inflation pressure is broad-based and how much is concentrated in categories that flow straight into the PCE measure they watch most closely. It will also shape how traders price next week’s decision in the hours before the meeting.
What to watch
The headline monthly figure, the annual rate, and core inflation will all draw scrutiny, but the composition of the basket may matter more than the top-line number. A reading driven by energy would be easier for policymakers to look through. A reading that shows core components running hot would land right in the middle of the debate.
Add Thursday’s PPI to the picture and the Fed will enter next week with a fairly complete view of where pipeline and consumer prices stood in August — and a live market that has already started voting on what it thinks the answer means.
Source: www.cnbc.com — https://www.cnbc.com/2026/09/10/fridays-cpi-inflation-report-is-even-more-important-than-usual-heres-what-to-expect.html
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