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Fed rate hike odds surge to 90% on monthly jump in core prices

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Yahoo Finance

September 11, 2026
Fed rate hike odds surge to 90% on monthly jump in core prices

August inflation data exceeded expectations, with core CPI rising 0.3% month-over-month. This uptick has pushed market expectations for a Federal Reserve interest rate hike next week to approximately 90%.

Inflation Surge Triggers Federal Reserve Action

The economic landscape has shifted significantly following the latest Consumer Price Index (CPI) report, which revealed that inflation in August proved more persistent than economists initially anticipated. With monthly price increases exceeding forecasts, the Federal Reserve is now facing heightened pressure to adjust monetary policy. The data indicates that despite long-term efforts to temper price growth, the underlying momentum of inflation remains stubborn.

The Data Breakdown

While headline CPI rose by 0.4% month-over-month—aligning with the Dow Jones consensus—the more critical metric of core inflation, which excludes volatile food and energy prices, posted a 0.3% gain. This figure surpassed the expected 0.2% increase, representing the largest monthly gain in four months. While the annual core rate held steady at 2.4%, the month-over-month surprise has been enough to fundamentally alter market expectations regarding the Federal Reserve’s immediate trajectory.

Market Reaction and Rate Hike Probabilities

Financial markets responded swiftly to the report. According to the CME’s FedWatch tool, the probability of a Federal Reserve interest rate hike at the upcoming policy meeting surged to approximately 90% shortly after the data release, up from roughly 72% just a day prior. This shift underscores the high sensitivity of investors to any deviation from cooling inflation trends, as the market prepares for potential tightening measures.

The Complicating Role of Energy

The broader inflationary environment is further complicated by a rebound in energy costs, with oil prices climbing toward the $100-a-barrel mark. Because energy costs permeate the entire supply chain, this rebound adds a layer of complexity to the Fed’s mandate. Even though the Fed focuses on core inflation to strip out these volatile elements, the broader economic impact of expensive fuel threatens to keep headline inflation elevated for longer than previously projected.

Contextualizing Policy Pressures

The Bureau of Labor Statistics report serves as the final major inflation indicator available to the Federal Reserve before its policy meeting. The timing is particularly crucial, as the CPI data follows a strong reading from the Producer Price Index (PPI). Because components of the PPI feed into the Personal Consumption Expenditures (PCE) price index—the Fed’s preferred measure for its 2% inflation target—the combination of these reports suggests that price pressures are not merely isolated to the consumer level but are embedded across the production cycle.

Future Outlook and Conclusion

As the Federal Reserve approaches its meeting, the primary challenge remains balancing the need to curb persistent inflation against the risks of overtightening. With core inflation proving stickier than hoped, the Fed is signaled to prioritize price stability. The coming week will be a definitive moment for monetary policy, as policymakers determine if the current economic temperature necessitates an immediate, aggressive interest rate hike to force inflation back toward the central bank's target.

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