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August CPI Holds at 3.4 Percent Amid Energy Shock

By Markets Desk · 2026-09-12 · 2 min read
A gas pump nozzle resting on a concrete surface next to a blurred highway in the distance
Illustration: Tradingbird

Consumer prices remained unchanged at 3.4 percent in August, driven by a surge in fuel costs from the Middle East conflict.

The consumer price index rose 3.4 percent on an annual basis in August. This figure is identical to the July reading. Data from the Bureau of Labor Statistics confirms the stagnation. Economists attribute the persistence to external shocks. The Iran war is a primary driver of current price pressure.

Gasoline prices increased nearly 4 percent in the single month of August. The annual increase for fuel stands at more than 27 percent. The average pump price reached 4.30 dollars per gallon. This is a significant jump from 3.19 dollars a year ago. Fuel costs accounted for over one third of the monthly CPI increase.

Energy Conflict Drives Price Increases

Hostilities in the Middle East have restricted oil flows. The Strait of Hormuz remains a critical choke point for trade. Global oil prices exceeded 100 dollars per barrel this week. This is the first time since mid-May that prices hit this level. Supply constraints are broadening to other maritime routes.

Diesel prices hit a record high of 6 dollars per gallon. This cost affects transportation and agricultural logistics. Higher shipping costs flow into the price of food and goods. Jet fuel costs have also risen, lifting airfare prices. These factors create upward pressure on the broader economy.

Federal Reserve Faces Policy Dilemma

Yields on U.S. Treasury bonds have jumped to multi-year highs. Borrowing costs for mortgages and auto loans are rising. The Federal Reserve is expected to raise interest rates next week. The goal is to cool the economy and lower inflation. The central bank targets a 2 percent annual rate.

Inflation has remained above the 2 percent target for over five years. Economists at Capital Economics see risks skewed to the upside. They doubt a return to the target within six months. The persistence of energy shocks complicates the monetary policy outlook.

Market Reaction and Outlook

Analysts at Moody's describe the current inflation as uncomfortably high. They cite tariffs and artificial intelligence demand as additional factors. The combination of these shocks prevents price stabilization. Consumers face continued financial strain in the coming months. The situation remains volatile according to GN markets/inflation (en-US) reports.

Based on reporting by CNBC, compiled by the Tradingbird desk.

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