This AFL code will plot two moving averages with different periods on the chart and also generate buy/sell signals based on their crossover.
// Plot Buy and Sell signals PlotShapes(shapeUpArrow * BuySignal, colorGreen, Paintings.Low); PlotShapes(shapeDownArrow * SellSignal, colorRed, Paintings.High); free amibroker afl code download
// Parameters len1 = Param("MA1 Length", 10, 5, 50, 1); len2 = Param("MA2 Length", 30, 10, 100, 1); This AFL code will plot two moving averages
// Conditions for Buy and Sell signals BuySignal = Cross(MA1, MA2); SellSignal = Cross(MA2, MA1); PlotShapes(shapeDownArrow * SellSignal
// Moving Averages MA1 = EMA(Close, len1); MA2 = EMA(Close, len2);
// Plot Moving Averages Plot(MA1, "MA1", colorRed); Plot(MA2, "MA2", colorGreen);