U.S. producer prices rose more than expected in September. The Producer Price Index (PPI) increased 1.3% month over month, recording its highest monthly rise since March 2022.
Economists had expected the PPI to rise 0.6% month over month. The index increased 0.5% month over month in August.
Annual increase reaches its highest level since December 2022
The PPI's annual increase reached 6.3% in September. This brought annual producer inflation to its highest level since December 2022.

Market expectations had been for an annual increase of 5.3%. The PPI rose 5.6% year over year in August.
Core measure also exceeds expectations
Core PPI, which excludes food and energy prices, rose 0.7% month over month and 5% year over year in September. Market expectations for this measure had been for a monthly increase of 0.3% and an annual increase of 4.4%.

Core PPI rose 0.2% month over month and 4.8% year over year in August. The PPI measures the prices of inputs used in production, providing indicators of final product prices and overall inflation.
The U.S. Federal Reserve monitors inflation indicators, including the PPI, when making monetary policy decisions.