Amibroker AFL: Step by Step Tutorial- Part 3

This is Part 3 of Amibroker AFL tutorial series. If you haven’t already gone through Part 1 & 2 of this series, please refer the below links:-

Amibroker AFL: Step by Step Tutorial- Part 1

Amibroker AFL: Step by Step Tutorial- Part 2

Plotting a simple EMA Crossover

//------------------------------------------------------
//  Formula Name:    Simple EMA Crossover
//  Author/Uploader: Trading Tuitions
//  E-mail: support@tradingtuitions.com          
//  Website: www.tradingtuitions.com        
//------------------------------------------------------


_SECTION_BEGIN("Simple EMA Crossover");

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 ) ) ));


FastEMA=Param("FastEMA",20,1,200,1);
SlowEMA=Param("SlowEMA",50,1,200,1);

Buy = Cross(ema( C, FastEMA ),ema( C, SlowEMA ));
Sell =Cross( ema( C, SlowEMA ), ema( C, FastEMA )) ;

Buy = ExRem( Buy, Sell );
Sell = ExRem( Sell, Buy );
Short = Sell;
Cover = Buy;

Plot( Close, "Price", colorBlue, styleCandle );
Plot(ema( C, FastEMA ),"FastEMA",colorWhite);
Plot(ema( C, SlowEMA ),"SlowEMA",colorBlue);

_SECTION_END();

Also Read: Getting Started with Amibroker – Features, Pros-Cons & Learning Resources

Plotting Buy/Sell Arrows

//------------------------------------------------------
//
//  Formula Name:    Simple EMA Crossover with Buy Sell Arrows
//  Author/Uploader: Trading Tuitions
//  E-mail: support@tradingtuitions.com          
//  Website: www.tradingtuitions.com        
//------------------------------------------------------


_SECTION_BEGIN("Simple EMA Crossover with Buy Sell Arrows");

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 ) ) ));


FastEMA=Param("FastEMA",20,1,200,1);
SlowEMA=Param("SlowEMA",50,1,200,1);

Buy = Cross(ema( C, FastEMA ),ema( C, SlowEMA ));
Sell =Cross( ema( C, SlowEMA ), ema( C, FastEMA )) ;

Buy = ExRem( Buy, Sell );
Sell = ExRem( Sell, Buy );
Short = Sell;
Cover = Buy;

Plot( Close, "Price", colorBlue, styleCandle );
Plot(ema( C, FastEMA ),"FastEMA",colorWhite);
Plot(ema( C, SlowEMA ),"SlowEMA",colorBlue);

/* Plot Buy and Sell Signal Arrows */
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-40);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0,L, Offset=-50);
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-45);
PlotShapes(IIf(Cover, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-40);
PlotShapes(IIf(Cover, shapeSquare, shapeNone),colorLime, 0,L, Offset=-50);
PlotShapes(IIf(Cover, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-45);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorRed, 0, H, Offset=40);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorOrange, 0,H, Offset=50);
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-45);
PlotShapes(IIf(Short, shapeSquare, shapeNone),colorRed, 0, H, Offset=40);
PlotShapes(IIf(Short, shapeSquare, shapeNone),colorOrange, 0,H, Offset=50);
PlotShapes(IIf(Short, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-45);

_SECTION_END();

 

Plotting Inside Day and Outside Day patterns

Note: Circle represents Inside Day and Star represents Outside Day

//------------------------------------------------------
//  Formula Name:    Inside Day Outside Day Patterns
//  Author/Uploader: Trading Tuitions
//  E-mail: support@tradingtuitions.com          
//  Website: www.tradingtuitions.com        
//------------------------------------------------------


_SECTION_BEGIN("Inside Day Outside Day Patterns");

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( Close, "Price", colorBlue, styleBar);
PlotShapes(IIf(Inside(), shapeSmallCircle, shapeNone),colorGreen, 0, H, Offset=100);
PlotShapes(IIf(Outside(), shapeStar, shapeNone),colorGreen, 0, H, Offset=100);

_SECTION_END();

 

Plotting MACD indicator with Signal Line

//------------------------------------------------------
//  Formula Name:    MACD Crossover
//  Author/Uploader: Trading Tuitions
//  E-mail: support@tradingtuitions.com          
//  Website: www.tradingtuitions.com        
//------------------------------------------------------

_SECTION_BEGIN("MACD Crossover");

SetChartOptions(0,chartShowArrows | chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C ));

Plot( Close, "Price", colorBlue, styleCandle);
fast = Param( "Fast avg", 12, 2, 200, 1 );
slow = Param( "Slow avg", 26, 2, 200, 1 );
signal1 = Param( "Signal avg", 9, 2, 200, 1 );

Plot(MACD(fast,slow),"MACD",color=colorRed,styleOwnScale);
Plot(Signal(fast,slow,signal1),"Signal",color=colorBlue,styleOwnScale);

Buy= Cross(MACD(fast,slow), Signal(fast,slow,signal1));
Sell= Cross(Signal(fast,slow,signal1),MACD(fast,slow));
Buy = ExRem( Buy, Sell );
Sell = ExRem( Sell, Buy );
Short = Sell;
Cover = Buy;

_SECTION_END();

 

Plot Price level at Buy/Sell signal

//------------------------------------------------------
//
//  Formula Name:    Plot Price Level
//  Author/Uploader: Snehil Kamal
//  E-mail:          
//  Website:         
//------------------------------------------------------


_SECTION_BEGIN("Plot Price Level");

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 ) ) ));


FastEMA=Param("FastEMA",20,1,200,1);
SlowEMA=Param("SlowEMA",50,1,200,1);

Buy = Cross(ema( C, FastEMA ),ema( C, SlowEMA ));
Sell =Cross( ema( C, SlowEMA ), ema( C, FastEMA )) ;

Buy = ExRem( Buy, Sell );
Sell = ExRem( Sell, Buy );
Short = Sell;
Cover = Buy;

Plot( Close, "Price", colorBlue, styleCandle );
Plot(ema( C, FastEMA ),"FastEMA",colorWhite);
Plot(ema( C, SlowEMA ),"SlowEMA",colorBlue);
dist = 1.5*ATR(10); 
for( i = 0; i < BarCount; i++ ) 
{ 
if( Buy[i] ) PlotText( "Buy\n@" + C[ i ], i, L[ i ]-dist[i], colorGreen,colorYellow ); 
if( Sell[i] ) PlotText( "Sell\n@" + C[ i ], i, H[ i ]+dist[i], colorRed, colorYellow ); 
} 



_SECTION_END();