The United States dollar opened lower against the Peruvian sol at S/3.3597 on Saturday, August 15, 2026, according to financial data provider Bloomberg.
In Peru's informal parallel market, the American currency was quoted at S/3.350 for purchase and S/3.370 for sale, exchange rate monitoring platform cuantoestaeldolar.pe reported. Parallel rates reflect real-time transactions conducted through digital exchange services and traditional street money changers, known locally as cambistas, operating in major cities such as Lima.
Peru's National Superintendency of Customs and Tax Administration, known as Sunat, posted an official daily exchange rate of S/3.358 for buying and S/3.368 for selling. Sunat serves as the national tax authority and sets reference exchange rates daily for tax assessments, corporate balance sheets, and customs declarations across the country.

Commercial bank exchange rates in Peru
Major commercial banks operating in Peru listed higher exchange rates and wider spreads on Saturday compared to informal market prices. Commercial banks in Peru maintain broader margins between buying and selling rates to cover operational expenses and institutional risk.
Banco de Crédito del Perú, the country's largest private commercial bank, quoted a purchase rate of S/3.798 and a selling rate of S/3.887. Interbank set its buying price at S/3.755 and its selling price at S/3.885. State-owned financial institution Banco de la Nación, which handles government accounts and public banking services, listed a purchase rate of S/3.760 and a sale rate of S/3.850.
BBVA Peru posted a buying rate of S/3.747 and a selling rate of S/3.954, marking the highest commercial sale price among major lenders. Scotiabank Peru recorded a purchase rate of S/3.751 and a sale price of S/3.927. The Peruvian sol, designated by the symbol S/, is divided into 100 céntimos.
Market factors and regional export growth
The foreign exchange market movements occurred alongside strong performance in Peru's trade balance. Regional exports from Peru's interior departments grew by 37 percent, surpassing 46 billion US dollars in total value as foreign demand for Peruvian goods expanded.
Addressing the downward trend in exchange rates, market reports explained that currency prices fluctuate according to fundamental rules of supply and demand. When the supply of dollars in the domestic market outweighs demand, the exchange rate declines. Conversely, when demand for foreign currency exceeds available supply, the exchange rate moves upward.
Financial guides also provided public advice on detecting counterfeit currency. Visual and tactile verification steps were shared to assist consumers and businesses in confirming whether US dollar banknotes are genuine or fraudulent before completing cash transactions.
