On Wednesday, January 31, 2018, the price of the dollar in Mexico was quoted at an average of: 1 Dollar = 18.4955 Pesos BUY18.1642 SELL18.8268 -0.1000 %-0.0176Dollar Price in Mexican Banks BUYSELL17.8518.8517.6018.9017.4018.5518.260018.660018.1318.8817.5018.9018.0019.1017.9519.1018.1018.9018.3218.7918.3518.9017.5018.9018.2019.2017.4518.9718.0019.00