ThinkScript for shading the 10 and 20 day Hull Moving Average

HMA1020Shader.ts

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# creates a cloud between two HullMovingAvg movingAverage averages
input FastHullMaMaLength = 10;
input SlowHullMaLength = 20;
def FastHull = reference HullMovingAvg("length" = FastHullMaMaLength);
def SlowHull = reference HullMovingAvg("length" = SlowHullMaLength);
AddCloud(FastHull, SlowHull, Color.GREEN, Color.RED, yes);