Originally Posted by
Sintaku
I am not sure why they didn't give me the difference between the DCC and non-DCC amount.
It's probably easier for them to credit the whole transaction and write it off rather than try to comprehend the situation.
Originally Posted by
zyxlsy
It's done on a monthly basis. The refund is roughly calculated, so you may lose a few cents or gain a few. It's because they have to deduce from the total amount how much fee you are charged, using the current exchange rate for the guessing, assuming the fees are always charged in integers.
Fidelity's happens shortly after the transaction posts. I've never been to Thailand, but Fidelity has always "backed out" the fee appropriate.