Originally Posted by
Kremmen
About a year ago there were hardly any 0% FTF Amex cards, so I guess data points would have been thin on the ground. ±1% is huge, when we're talking about MC being at the mid-rate, Visa being 0.4% (2014) to 0.7% (2015) above and Amex being somewhere between MC and Visa.
Any possibility that the current world economic situation's making Visa's forex rate choices worse? That thread also mentioned that Visa/MC are near equivalent in countries whose currencies seem to be tightly controlled (e.g. China).