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US Inflation Hits 3.4% in August

By Markets Desk · 2026-09-11 · Updated 2026-09-11 15:33 UTC
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Illustration: Tradingbird

US inflation remained sticky at 3.4% in August, driven by a sharp spike in gasoline and fuel costs that has pushed the probability of a Federal Reserve rate hike to roughly 91%. While food prices showed some stability, record-high diesel costs are raising concerns about broader price pressures ahead of the November midterms.

  • According to GN markets/inflation (en-US), gasoline costs jumped 3.9% in August, accounting for over a third of the monthly CPI increase, while other motor fuels surged 9.6% as oil prices climbed back above $100. The report also highlights that diesel prices are at record highs, signaling potential future pressure on grocery costs due to transportation expenses.

    Source: yahoo.com
  • CNBC notes that core CPI surprised to the upside with a 0.3% monthly gain, pushing market odds for a Fed rate hike next week to approximately 90%. The report highlights broad-based price increases in shelter and transportation services, reinforcing the case for tighter monetary policy despite earlier speculation about a hold.

    Source: CNBC
  • August consumer prices rose 0.4% month-over-month, driven by a 3.9% spike in gasoline costs.

    Source: yahoo.com
Based on reporting by yahoo.com, CNBC and yahoo.com, compiled by the Tradingbird desk.

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