Mexico's annual inflation rate rose to 3.75% in October from 3.45% in September, the national statistics agency INEGI reported on Monday, a third straight monthly increase that landed four days after the Bank of Mexico cut its benchmark rate to 6.25%.

The reading matters beyond Mexico. Mexico competes with Asian exporters for U.S. demand and taxes many Asian imports heavily. A central bank that is easing while prices accelerate leaves less room for the peso to absorb further shocks from U.S. trade policy or higher U.S. bond yields, both of which Banxico itself named as risks.

Consumer prices rose 0.65% in October from the previous month, well above the 0.36% increase recorded in October 2025, according to INEGI figures reported by Alto Nivel. Headline inflation stays inside Banxico's tolerance band of 2% to 4% around its 3% target, but it has climbed steadily from 3.12% in July.

Core inflation turns higher

The more worrying number for policymakers was the core index, which strips out farm produce and energy. It rose to 3.80% a year earlier from 3.75% in September, according to Expansión and Alto Nivel, ending a run of eight consecutive months of slowing.

Services drove the change. Core services prices rose 0.44% in the month and 4.32% from a year earlier, while core goods were up 3.25% on the year. Gabriela Siller, director of analysis at Banco Base, said on X that the monthly rise in services was the largest for any October since 2000, Alto Nivel reported. Education, at 5.84%, led annual services increases.

The noncore index jumped 1.75% in the month. The biggest single factor was electricity, which rose 18.51% after a summer tariff subsidy expired in 18 cities, including Monterrey, Mérida and Cancún, according to INEGI's explanation cited by Expansión. Airfares rose 26.36% and tomatoes 9.68%, while fruit and vegetable prices overall were 13.19% higher than a year earlier.

Some prices fell. Limes dropped 16.53% in the month and pay TV, phone and internet packages 2.48%, according to Alto Nivel.

Analysts at Monex, led by Janneth Quiroz, said in a note that risks to inflation remain tilted to the upside, citing sticky services costs, possible further increases in energy and farm prices, and the chance that currency swings pass through to consumer prices.

Banxico's split decision

The data arrived after a divided board. On Nov. 5, Banxico's governing board voted 3-2 to lower the overnight interbank rate target by 25 basis points to 6.25%, effective Nov. 6, according to the central bank's statement. Governor Victoria Rodríguez Ceja and deputy governors José Gabriel Cuadra García and Omar Mejía Castelazo voted for the cut. Galia Borja Gómez and Jonathan Heath preferred to hold at 6.50%, where the rate had stood at the board's previous decision on Sept. 24.

The board described the move as a one-off adjustment and said that keeping the rate "for a prolonged time" at the new level would support convergence to target. It argued that slack in the economy would limit how much currency moves feed into prices and that it saw no demand pressure.

Banxico also raised its forecast for headline inflation in the fourth quarter of 2026 to an average of 3.7% from 3.5%, and nudged its core forecast for the quarter to 3.7% from 3.6%. It still expects both measures to reach 3% in the fourth quarter of 2027, and it said the balance of risks to that path is tilted to the upside.

The October figure already sits above the bank's revised quarterly average, which means November and December prints will need to cool for that forecast to hold.

What it means for Asian trade and the peso

Among the upside risks Banxico listed were disruptions from trade policies, a weaker peso and cost pressures. The bank said the peso had depreciated since its September decision, and it noted that long-term U.S. government bond yields had reached multi-decade highs during the period.

For Asian exporters, Mexico's inflation path ties into its trade stance. Mexico applies tariffs of up to 50% on a range of Chinese and other Asian imports, and its decision to keep the 50% duty on Chinese cars has left planned factory investments in limbo. Higher import duties on Asian inputs add to the cost pressures Banxico is watching, while a weaker peso raises the local price of Asian goods that still enter the market.

The economy has more momentum than the board's language on slack suggests. Mexico's third-quarter output beat forecasts on stronger exports, and Banxico said activity kept expanding in the period, though it still sees downside risks to growth.

Banxico's board meets once more before the end of the year. Before then, INEGI's figures for the first half of November will be the first test of whether October's jump in core services was a seasonal blip or the start of a firmer trend.