_SECTION_BEGIN("Bollinger Bands");
_SECTION_BEGIN("DispMA");
P = ParamField("Field");
Type = ParamList("Type", "Simple,Exponential,Double Exponential,Tripple Exponential,Wilders,Weighted");
Periods = Param("Periods", 8, 2, 300 );
Displacement = Param("Displacement", 3, -50, 50 );
m = 0;
if( Type == "Simple" ) m = MA( P, Periods );
if( Type == "Exponential" ) m = EMA( P, Periods );
if( Type == "Double Exponential" ) m = DEMA( P, Periods );
if( Type == "Tripple Exponential" ) m = TEMA( P, Periods );
if( Type == "Wilders" ) m = Wilders( P, Periods );
if( Type == "Weighted" ) m = WMA( P, Periods );
Plot( m, _DEFAULT_NAME(), ParamColor("Color", ColorCycle), ParamStyle("Style"), 0, 0, Displacement );
_SECTION_END();
P=m ;
//P = ParamField("Price field",-1);
Periods = Param("Periods", 8, 2, 300, 1 );
Width = Param("Width", 1, 0, 10, 0.05 );
Color = ParamColor("Color", colorCycle );
Style = ParamStyle("Style");
Plot( BBandTop( P, Periods, Width ), "BBTop" + _PARAM_VALUES(), Color, Style );
Plot( BBandBot( P, Periods, Width ), "BBBot" + _PARAM_VALUES(), Color, Style );
_SECTION_END();
MA8 = MA(C,8);
//Plot(MA8,"MA8",colorRed,styleThick);
_SECTION_BEGIN("Price1");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
_SECTION_END();
dear all
can any one add buy signal above top bollinger band
and sell below at bottom bollinger band
with arrow pls