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August Inflation Hits 3.4% Annual Rate, Increasing Likelihood of Federal Reserve Rate Hike

Isaac Olson
Isaac Olson
September 11, 2026 2:18 pm

Consumer prices continued to climb in August, matching July’s annual pace of 3.4% and exceeding economists’ predictions due to surging gasoline costs. This stronger-than-anticipated consumer price index (CPI) report elevates the probability that the Federal Reserve will announce its first interest rate increase in over three years the following week. FactSet-polled economists had anticipated a lower annual inflation rate of 3.3%. While inflation has cooled since reaching a three-year peak in May, it stays well above the central bank’s 2% objective, driven by persistent energy price increases stemming from the conflict involving Iran. According to the Labor Department on Friday, gasoline prices drove over one-third of the monthly CPI increase, showing a 27.4% jump year-over-year and a 3.9% rise from July. Meanwhile, core CPI—excluding volatile food and energy costs—registered a 2.4% annual increase, matching projections and dropping from July’s 2.5%, though its 0.3% monthly rise exceeded expectations and outpaced July’s 0.2% rate. These figures arrive ahead of the Fed’s upcoming interest rate announcement scheduled for Wednesday, September 16. Fed Chairman Kevin Warsh noted in a Jackson Hole speech last month that controlling inflation is the primary objective, warning that further action would be necessary if price pressures persist. Following the inflation report, CME FedWatch data indicated that the probability of a rate hike climbed to 90%, up from 70% the day prior. Adam Crisafulli of Vital Knowledge stated that the CPI report demonstrates that inflation remains elevated and sufficient to warrant a Fed rate increase, anticipating continued pressure in September from rising energy costs. Escalating tensions in the Iran war have propelled energy expenses higher, with diesel reaching a record national average of $6.06 per gallon on Friday—a more than 60% increase from $3.71 a year earlier—which could force businesses to raise consumer prices to cover transportation costs. Simultaneously, the national average for gasoline reached $4.30 per gallon on Friday. Experts point out that the August figures do not fully incorporate the most recent spikes in fuel prices. Alexandra Wilson-Elizondo of Goldman Sachs Asset Management noted that the survey period concluded before the latest surge in energy costs, which saw Brent crude surpass $100 amid ongoing tensions around the Strait of Hormuz.

Source: cbsnews.com

Isaac Olson

Written by

Isaac Olson

Journalist

Isaac Olson is a journalist with TFR . He worked largely as a newspaper reporter and photographer for 15 years before joining TFR in the spring of 2018.

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