Bitcoin is becoming more and more dangerous to trade if it plummets downwards, the comrade does not define the stop loss, the market executes immediately at all costs, emergency stop, limited stop loss and suicide is not reliable at any time, the buyer does not want to pay that price, then if the order is broken not executed, only in two years for it to rise again, look at this historic price that you may never see again, in short, if it becomes poor and depressed, what joy can turn into a pit of sadness, Binance always leaves the warning and the risk of trading. This Russian roulette can both be used and taken away.