what do i pay when i need euros for a trip 
you pay the spot price as well as related fees potentially it s the price available at the time you get that currency from a forex dealer in your town or order it through your bank the spot price changes all the time because currency exchange rates constantly change the bottom linean exchange rate is the rate at which one currency can be changed for another rates vary based on who is using them and why spot exchange rates are used for various reasons including foreign investment and international and commercial trade foreign exchange investors also use spot rates when they make speculative trades to boost their profits it can also be used to determine the well being of a nation s economy strong rates indicate a healthy economy 