Bollinger Band afl buy sell signals

Bollinger Band afl buy sell signals
Bollinger Band afl buy sell signals

//www.aflcode.com
_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " +WriteVal( V, 1.0 ) +" {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
Plot( C, "Close", ParamColor("Color", colorYellow ), styleBar, styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
if( ParamToggle("Tooltip shows", "All Values|Only Prices" ) )
{
ToolTip=StrFormat("Open: %g\nHigh: %g\nLow: %g\nClose: %g (%.1f%%)\nVolume: "+NumToStr( V, 1 ), O, H, L, C, SelectedValue( ROC( C, 1 )));
}
_SECTION_END();

_SECTION_BEGIN("EMA");
P = ParamField("Price field",-1);
Periods = Param("Periods", 20, 2, 200, 1 );
Plot( EMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
_SECTION_END();

_SECTION_BEGIN("BB-EMA");
Tp=(H+L+C)/3;
Per = Param("EMA Periods", 20, 2, 200, 1);
stper=Param("StDev Period",20,10,30,1);
w=Param("Width",2,0.5,4,0.5);
BBup=EMA(tp,per)+w*StDev(C,stper);
BBdn=EMA(tp,per)-w*StDev(C,stper);
BB_Mid=EMA(((BBup+BBdn)/2),5);

Plot (bbup,"BB-UP",ParamColor( "Color", colorLightGrey ),styleLine);
Plot (bbdn,"BB-DN",ParamColor( "Color", colorLightGrey ),styleLine);
Plot (bb_mid,"BB_Mid",ParamColor( "Color", colorBlue ),styleLine);
PlotOHLC(BBup,BBup,BBdn,BBdn,"BB-EMA", ParamColor("color",colorDarkOliveGreen), styleCloud);


_SECTION_END();


//TRENDING RIBBON
// Paste the code below to your price chart somewhere and green ribbon means both
// both MACD and ADX trending up so if the red ribbon shows up the MACD and the ADX 
// are both trending down.
_SECTION_BEGIN("trending ribbon");
uptrend=PDI()>MDI() AND MACD()>Signal();
downtrend=MDI()>PDI() AND Signal()>MACD();
Plot( 2, /* defines the height of the ribbon in percent of pane width */"ribbon",
IIf( uptrend, colorGreen, IIf( downtrend, colorRed, 0 )), /* choose color */
styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
_SECTION_END();
_SECTION_BEGIN("Price");
//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();
//=====================================================================================

top1=BBandTop(p,20,1);
bot1=BBandBot(p,20,1);
top2=BBandTop(p,20,2);
bot2=BBandBot(p,20,2);
stocup=StochK()>StochD();
MACDup=MACD()>Signal();
Lim=ADX()<30 AND StochK()<80;

Buy=Cross(C,top1) AND C>=O OR
    Cross(MACD(),Signal()) AND stocup AND C>top1 AND C>=O AND lim OR
    Cross(StochK(),StochD()) AND C>top1 AND StochK()<50 AND C>=O AND Lim;
Sell=Cross(top1,C);

PlotShapes(IIf(Buy,shapeUpArrow,shapeNone),colorBlue,0,Low,Offset=-15);
PlotShapes(IIf(Sell,shapeDownArrow,shapeNone),colorRed,0,High,Offset=-15);
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