Originally Posted by
richarddd
How did you determine what the conversion should have been (the Visa exchange rate calculator
https://www.visa.co.uk/support/consu...alculator.html requires specifying a bank markup)? Is there anything else I should be writing? The closest Chase menu option for the problem seems to be
"I was charged more than expected" if I'm reading correctly.
The bank markup is 0%, assuming you used a card without foreign transaction fees. You can determine based on the transaction date what the charge should have been.