In forex trading you can make a deal with the high levels of leverage. For example, the level of leverage of 200:1 means the margin or collateral 0.5% or $ 500 you can trade a contract worth $ 100,000. This means that when the profit, the profits will be large relative to the amount of capital, and vice versa when the loss, the loss will be massive. "Sword" is a double-edged when used correctly will be very useful. The task of a trader is to minimize losses and maximize profits