How is it possible for traders to provide you this feature? Imagine if your account can defy say 20 pips w/max leverage and the market jumps by 50? Will they actually not hold you? If so, is not there a way to take advantage of this by creating an extremely levered bet before big news from the hope that the move will be larger than your account can defy, hence artificially lowering your possible losses but not restricting your gains?