// Downloaded From https://www.WiseStockTrader.com
Buy=MA(C,20)<C AND Cross(C,BBandBot(C,20,2));
Sell=MA(C,20)>C AND Cross(BBandTop(C,20,2),C);
PlotShapes(IIf(Buy,shapeUpArrow ,shapeNone),colorGreen,0,L,-10);
PlotShapes(IIf(Sell,shapeUpArrow ,shapeNone),colorRed,0,H,-10);