The American Express exchange rate varies on the type of currency conversion you select at the time of purchase. So, there's a different Amex exchange rate between the U.S. dollar and approximately 80 other currencies, and they all fluctuate from day to day. Popular Amex currencies include the Canadian Dollar, the British Pound, the Euro, and the Mexican Peso.
What you should know about the American Express exchange rate:
The Amex...