Deutsche Bank Sees Headline CPI Hitting 3.6% on September Fuel Spike

The forecast puts headline inflation on a different trajectory from core. Deutsche Bank's economists expect core prices — which strip out food and energy — to rise just 0.16% on the month, leaving the year-on-year core rate at 2.4%. That gap matters because the Fed officially targets PCE inflation, not CPI, and the next PCE reading does not arrive until the day after the central bank's next decision. Policymakers will therefore be setting rates with September CPI as the freshest inflation data in hand.

The timing has kept rate speculation alive. Market pricing for an October hike had climbed back to 24%, the highest since October 1, before the underwhelming jobs report and mounting questions about whether the Fed could deliver back-to-back increases. Elevated oil prices have sustained that speculation into the CPI release, according to the bank's view.

If the bank's numbers prove right, the headline acceleration would be concentrated in energy rather than broad-based price pressure. The 0.57% monthly headline figure would be the strongest since April, shortly after the Iran conflict began — a period when energy shocks were also the dominant driver. That distinction shapes how the report is likely to be read: a fuel-led spike with contained core inflation gives the Fed room to look through the headline number, while a hotter core print would undercut that interpretation.