In most cases, it is considered that a realistic return in Forex is around 1-5% on a monthly basis of your investment. However, it should be noted that the number is a combination of millions of traders that are part of the market around the world. So, it might be a bit higher in reality. It depends on your initial deposit. If you start trading using a lot of initial money, you will be able to make great profits. However, if you start trading with not so much money, it might be a bit hard to make huge profits.