Professional traders also trade with stop loss as well Traders can protect the amount against the big loss by using the stop loss option instead of using stop loss is not guarantee we can profit because not only stop loss which can make us success but we must have all what its needed to success in this bussiness like good analysis, psychology trading,etc but using stop loss is very important thing in forex trading then that's right stop lose is very important in forex trading, its can limit our lose, and we can use that stop lose to limit our risk or lose, this can keep our lose limit when market move very fast.