There are 16 references cited in this article, which can be found at the bottom of the page. Today’s market allows average investors to buy and sell different types of world currencies. 5 days per week, 24 hours per day. Examine the exchange rate for the currency you want to buy based on the currency you want to sell.
Look at how values for your chosen currency pairs have fluctuated over time. Currency exchange rates are quoted in pairs of currency. The exchange quote tells you how many units of currency will receive based on the currency you want to sell. 91 means that you’ll receive 0.