Yup, that's possible. You can do that, by adjusting your lot size and leverage. But then, that's too risky if you do this, its like profit or loss in connection of your trading account capital. As it might blown your trading account or reached margin call easily.You can even double your money in just few hours. So it would depend on your skills and also the market conditions. So it's going to be profitable also in such few hours only. So that is why we want to be in forex more.