Traders see September 2026 core CPI YoY as closely contested between 2.4% and 2.5% because August’s 2.4% print and recent monthly moderation point to contained underlying pressures even as headline inflation faces energy-driven upside. Shelter costs have eased further while supercore services and core goods show mixed signals, with vehicle prices and airfares providing potential offsets. The labor market’s recent softening and steady rent trends support the slight edge for the lower outcome, yet forecasts cluster near 2.5% amid ongoing geopolitical energy effects. The October 14 release will resolve the market, with any deviation from the 0.2% monthly core expectation likely shifting implied odds sharply.