US Dollar Price in Mexico: Peso Fluctuates Around 17 Pesos on August 18

On Tuesday, August 18, 2026, the Mexican peso traded around the psychological floor of 17 units per U.S. dollar, experiencing a slight depreciation driven largely by escalating geopolitical concerns in the Middle East, according to reporting by Yahoo and Milenio.

The currency movement reflects steady attention from market participants tracking international stability. While the exchange rate hovers near the 17-peso threshold, financial institutions and official bodies have published distinct figures tracking the day-to-day valuation of both the spot market and official benchmarks.

Official Exchange Rates and Banxico Metrics

According to data published by El Comercio, the official FIX exchange rate issued by the Banco de México (Banxico) for settling dollar-denominated obligations stands at 17.063800 pesos per U.S. dollar. Meanwhile, reporting from La Razón notes a slightly different Banxico valuation for the same period, with the rate used to calculate dollar obligations placed at 17.0218 pesos, and the Diario Oficial de la Federación listing the sale price at 17.0245 units per greenback.

The FIX rate is calculated each business day by Banxico using a weighted average of wholesale market transactions, providing a transparent baseline for legal contracts, international payments, and formal business accounting in Mexico.

Commercial Bank Valuations and Ventanilla Rates

Individual banking institutions and financial houses report varying buy and sell rates across their branch networks to accommodate retail customers exchanging currency. According to compiled financial data from El Comercio and La Razón, commercial pricing on Tuesday, August 18, 2026, shows notable spreads:

• Afirme: 16.10 pesos buying, 17.70 pesos selling (El Comercio/La Razón).
• Banco Azteca: 16.70 pesos buying, 17.84 pesos selling according to El Comercio (La Razón lists the selling price at 17.79 pesos).
• Bank of America: 16.1551 pesos buying, 18.0505 pesos selling (El Comercio/La Razón).
• Banorte: 15.85 pesos buying, 17.35 pesos selling according to El Comercio (La Razón lists the buying price at 15.80 pesos and selling at 17.40 pesos).
• BBVA Bancomer: 16.37 pesos buying, 17.50 pesos selling (La Razón).
• Grupo Financiero Multiva: 17.07 pesos buying, with selling data unavailable in some spot feeds (El Comercio/La Razón).
• Intercam: 16.5289 pesos buying, 17.5439 pesos selling (La Razón).

These retail ventanilla rates incorporate operational costs, margins, and market volatility, keeping actual cash exchange values slightly separated from wholesale benchmarks like the Banxico FIX or interbank closing figures. General market observation indicates that the currency has sustained relative stability over recent weeks, fluctuating primarily within a 17.00 to 17.50 range against the dollar.