Foreign exchange is the largest financial market in the world with an average traded value in excess of $4 trillion per day. It functions a little differently to other financial markets in that there is no central marketplace, so all trades must be placed through brokers. A large number of these brokers exist, and that means there are a lot of options for traders to choose from. So how can you narrow them down to find the right broker for you? Here are three important things to consider.