FX.co ★ Mexico’s Core Inflation Accelerates in October, Signaling Renewed Price Pressures

Mexico’s core Consumer Price Index (CPI) rose 0.34% month-over-month in October 2026, marking an acceleration from the 0.20% increase recorded in September 2026. The latest data, updated on 9 November 2026, points to a pickup in underlying inflationary pressures after a more moderate reading in the previous month.

On a month-over-month comparison basis, October’s “actual” figure reflects how prices moved relative to September, while the “previous” reading shows September’s change compared with August. The step-up from 0.20% to 0.34% suggests momentum is building again in core prices, a closely watched gauge that strips out more volatile components and is often used to assess the persistence of inflation trends in Mexico’s economy.