Скальпер бай сел без минусов
def triggerSell = if(if(close[1] < close,1,0) and (close[2] < close[1] or close[3] <close[1]),1,0);
def triggerBuy = if(if(close[1] > close,1,0) and (close[2] > close[1] or close[3] > close[1]),1,0);
rec buySellSwitch = if(triggerSell, 1, if(triggerBuy, 0, buySellSwitch[1]));
def thirdBarClosed = if(isNan(close[3]),0,1);
plot SBS = if(triggerSell and thirdBarClosed and !buySellSwitch[1], high, if(triggerBuy and thirdBarClosed and buySellSwitch[1], low, double.nan));
SBS.setStyle(curve.POINTS);
SBS.setPaintingStrategy(paintingStrategy.LINE_VS_SQUARES);
SBS.setLineWeight(2);
SBS.setDefaultColor(color.white);