def AP = AggregationPeriod.DAY;
def Priorclose = close(period = AP)[1];
def open1 = open(period = AP);
def gap = 100*((open1-Priorclose)/Priorclose);

Addlabel(1, "Gap: " + Round(gap,1) + "%", color.CYAN);
Addlabel(1, "Open: " + Round(open1,2), color.LIGHT_GREEN);
Addlabel(1, "20%: " + Round((1.2*open1),2), color.LIGHT_ORANGE);
Addlabel(1, "27%: " + Round((1.27*open1),2), color.PINK);
Addlabel(1, "32%: " + Round((1.32*open1),2), color.YELLOW);
Addlabel(1, "39%: " + Round((1.39*open1),2), color.LIGHT_RED);