When attempting to choose which currency combine to exchange, you have to assess the liquidity of the same. This can be accomplished by investigating the spreads, which is the contrast between the costs in a couple. The lower it is, the less demanding and more affordable it is to exchange the market. EUR/USD, USD/JPY, USD/GBP, USD/PHP. Forex trading is the future business and through this you can win more cash in the event that you can comprehend this well.