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US Inflation Holds at 3.4% Annual Rate

By Markets Desk · 2026-09-12 · 1 min read
A gas pump nozzle resting on a concrete surface next to a blurred highway in the background.
Illustration: Tradingbird

The US Consumer Price Index remained at a 3.4 percent annual rate in August. Markets now price in a 90 percent probability of an upcoming rate hike.

US inflation held steady at a 3.4 percent annual rate in August. The Consumer Price Index rose 0.4 percent for the month. This data contradicts the administration’s push for lower borrowing costs. The Federal Reserve will review these figures before its Wednesday decision.

Traders now assign a 90 percent probability to a rate increase next week. This shift marks a reversal from earlier expectations of cuts. The report serves as the final data point before the central bank acts. It directly challenges recent political rhetoric regarding economic performance.

Energy Costs Drive Price Increases

Gasoline prices jumped 3.9 percent in August. Diesel costs reached six dollars per gallon. Fuel oil costs climbed 10.1 percent. These spikes reflect ongoing supply chain tensions. Energy remains the primary driver of headline inflation figures.

Core inflation, which excludes food and energy, rose 0.3 percent. A broad range of goods and services became more expensive. This indicates that price pressures extend beyond fuel. The durability of these trends complicates monetary policy decisions.

Fed Faces Internal Pressure

Policymakers argue a quarter-point hike may be insufficient. They believe stronger action is needed to curb rising prices. New Fed Chair Kevin Warsh faces divided support on the board. Non-aligned members push for measures to combat inflation.

Strategists expect multiple rate hikes rather than a single action. The debate has shifted from whether to hike to how much. This stance reflects a cautious approach to persistent price growth. The central bank prioritizes stability over political demands.

Market Reaction to Data

Financial markets adjusted their forecasts following the release. The probability of a rate hike reached 90 percent. This level of certainty was not present in prior weeks. The data confirms that inflation remains a structural issue. Analysts cited the report as a key factor in their outlook.

GN markets/inflation (en-US) notes that this report was highly anticipated. It follows a period of conflicting economic signals. The figures provide a clear baseline for the next policy move. Investors are now positioning for a tighter monetary environment.

Based on reporting by thedailybeast.com, compiled by the Tradingbird desk.

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