A great leverage means that you want to lose the balance of your account. It should be used when you are confirmed on the trend. I think it will be difficult to predict the trend in Forex. With high leverage, you should not trade in the volatile period, he will knock on your margin call immediately. as long as you are able to follow the rules and discipline in your trades then I think the circuitry is not so risky high leverage because after this go round part of how we construct ourselves in our trade