The price of the dollar in Mexico today, August 4, 2026, had a considerable drop in value, after Mexican monetary policy shows stability and is combined with the strong expectation that peace negotiations between the United States and Iran will be completed satisfactorily, which benefits emerging currencies such as the peso.
During the opening of this Tuesday, August 4, the US dollar was quoted at $17.26 Mexican pesos, a decrease of 0.43% compared to the previous close of $17.34 pesos, according to Dow Jones data. Meanwhile, the average price of the dollar in Mexico today stands at $17.30 pesos per unit.
The behavior of the US currency also reflects a downward trend in broader periods. In the last seven days it accumulates a decrease of 0.99%, while compared to the same period last year it registers a drop of 7.78%, which confirms the strengthening that the Mexican peso has maintained against the dollar during recent months.
This Tuesday's movement comes after a session with slight gains for the Mexican currency. On Monday, August 3, the peso advanced 0.04% against the US dollar in a week marked by market expectations regarding the monetary policy decisions of the Bank of Mexico (Banxico).
The Bank of Mexico reported that the official closing on Monday, August 3, was $17.3241 pesos per dollar, a figure obtained from the average of banking operations carried out during the day. However, because the exchange rate fluctuates constantly during the day, the price of the dollar against the peso ended the session around $17.33 pesos per unit in the markets.
Regarding the recent behavior of the exchange market, the dollar maintains a negative trend that has been consolidated during the last day. Furthermore, volatility currently stands at 4.07%, a level considerably lower than the benchmark index of 7.44%, reflecting a more stable environment for the exchange rate.
Banxico also announced that the FIX exchange rate, published in the Official Gazette of the Federation (DOF), was established at $17.3317 pesos per dollar for this Tuesday, August 4, 2026. This exchange rate is used as a reference for different contracts, financial operations and official procedures in Mexico. Its calculation is made based on the average of the quotes observed in the wholesale exchange market during banking business days and is published at noon of the previous business day.
On the other hand, the exchange rate applicable for the payment of obligations denominated in dollars was set at $17.3288 pesos for each US currency. This value serves as a reference when a person or company must settle obligations originally agreed in foreign currency within the national territory.
Dollar exchange rate today in Mexican banks
The exchange rates for buying and selling dollars in the most popular banks in Mexico for this Tuesday, August 4, are:
When reviewing bank quotes, Banorte offers the lowest sale price of the day, a favorable option for those who need to buy dollars. In contrast, Scotiabank presents the best purchase price, making it the institution that pays the most for the US currency among the banks considered.
In banking institutions in Mexico and the northern border, the dollar is sold for an average of $17.61 pesos, while the purchase price is around $16.48 pesos. For their part, exchange houses located in border cities, such as those in Tamaulipas, maintain an average of $17.50 pesos for sale and $16.50 pesos for purchase.
Companies dedicated to international transfers also present different quotes than bank ones. This Tuesday, Western Union offers an exchange rate of $16.94 pesos per dollar. MoneyGram quotes the currency at $17.86 pesos, while Wise delivers around $17.15 Mexican pesos for every dollar sent from the United States.
As happens every day, the price of the dollar can change at any time due to market activity. Before making a currency purchase, sending money or making a payment in foreign currency, it is a good idea to review the updated quote to obtain the most convenient exchange rate.
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