Guide 01
Bank exchange rate vs reference rate: why they differ
Understand why a bank or payment provider can show a different exchange rate from a public reference rate, and how to compare the true cost.
Read guide →Rateory learning center
Understand the real cost behind a currency conversion
These guides explain the parts a basic converter cannot show on its own: provider spread, card fees, settlement timing, remittance costs and the limits of historical data.
Guide 02
Exchange-rate spread explained in plain language
Learn what an exchange-rate spread is, how it affects currency conversions and how to estimate the hidden cost behind a provider quote.
Read guide →Guide 03
Card currency conversion fees: what can change your final cost
A practical guide to foreign transaction fees, card-network conversion, settlement timing and merchant currency choices when paying abroad.
Read guide →Guide 04
Dynamic currency conversion: what it is and what to check
Understand dynamic currency conversion at shops and ATMs, why the offered rate can differ and what information to review before accepting.
Read guide →Guide 05
International money transfer fees: rate margin, fixed fee and payout costs
Learn the different costs that can appear in an international money transfer and how to compare providers using the final recipient amount.
Read guide →Guide 06
Weekend exchange rates: why a quote can look different
Learn why currency quotes and card conversions can behave differently on weekends and what to check when markets are less active.
Read guide →Guide 07
Historical exchange rates: what they can and cannot tell you
How to read historical currency trends without treating past movement as a prediction of future exchange rates.
Read guide →Guide 08
How to compare currency providers step by step
A practical framework for comparing banks, cards and money-transfer providers without being misled by low fees or attractive headline rates.
Read guide →Want to measure a provider quote?
Use the exchange-rate markup calculator to compare a provider rate and fee against a reference baseline.
Open markup calculator