
Once an order is placed with a broker, the trade is executed within seconds. It is, of course, not as easy as that.
Whenever a pair of currencies is bought or sold, there must be someone at the other end of the transaction.
It is very unlikely that the investor will always find someone who is interested in buying and selling the same two currencies at the same amount, and at the same time.
Hence, the question remains, “How is it possible that the FX investor can buy or sell at any time?” This is where the FX market makers come in.