Inflation Accelerated, Rate-Hike Odds Hit 86%, and Stocks Rallied Anyway — Here's What Friday Actually Told Us

Consumer prices accelerated in August. Gasoline jumped 3.9%. Odds of a Federal Reserve rate hike surged toward 90%. And the S&P 500 closed up 0.9% anyway. That looks like a contradiction until you look at the 1-point gap between headline and core inflation — a gap that explains why markets treated this print as a supply shock rather than a demand problem. Here's the full mechanism, the three ways Wednesday's Fed decision can break, and the specific signals that would prove this read wrong.