The peso and the FIX reference rate Banco de Mexico publishes each day
Background
Banco de Mexico has kept its target interest rate unchanged, and the currency that rate governs is the peso. The peso is Mexico's currency, and Banco de Mexico, the country's central bank, determines and publishes a daily reference exchange rate used to settle obligations denominated in foreign currency. It is called the tipo de cambio FIX, and it is quoted in pesos per United States dollar. In the central bank's own series, the FIX determined for 27/10/2026 is 18.6525 pesos per United States dollar. Banco de Mexico publishes the series in its Sistema de Informacion Economica.
In plain words
FIX Tipo de cambio FIX — The reference peso-dollar exchange rate determined by Banco de México for settling obligations in foreign currency.