I think that if we had just controlled the gan trading process then it's certain that we must always do it with a technical analysis so the risk may be calculated. Because I've said many times that it's not easy to do trading without proper analysis, because we don't know which way the market is going. But when we are trading, what we need is certainty, certainty can be our certainty by using such techniques able to combine with a gab with so the loss can afford us to shrink in such a way.