declare lower;

input doji_body_max_pct = 0.1;

input atr_length = 10;
input atr_type = AverageType.SIMPLE;
input atr_bars_ago = 30;


def doji = absvalue(close-open)/close * 100 <= doji_body_max_pct;
def atr = MovingAverage(atr_type, TrueRange(high, close, low), atr_length);

plot Scan = doji and atr < atr[atr_bars_ago];

Scan.SetDefaultColor(Color.RED);
Scan.SetPaintingStrategy(PaintingStrategy.HISTOGRAM);
Scan.SetLineWeight(2);