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HARMONIC PATTERN DETECTION for Amibroker (AFL)
Rating:
4 / 5 (Votes 5)
Tags:
fractals, amibroker, pattern
/* HARMONIC PATTERN DETECTION
Automatic Detection of Harmonic Patterns – Gartley, Bat, Butterfly and Crab.
Zig Zag is not used in this AFL. It is based on fractals
Contact – joy.edakad@gmail.com
Modernized by E.M.Pottasch (Dec 2016).
- All calculations by the original author left as they were.
- Improved visualisation of the patterns.
The code I used is the original code from:
http://www.inditraders.com/amibroker/1934-afl-harmonic-patterns.html
file: Harmonic1.1.afl (2009)
*/
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/* HARMONIC PATTERN DETECTION
Automatic Detection of Harmonic Patterns - Gartley, Bat, Butterfly and Crab.
Zig Zag is not used in this AFL. It is based on fractals
Contact - joy.edakad@gmail.com
Modernized by E.M.Pottasch (Dec 2016).
- All calculations by the original author left as they were.
- Improved visualisation of the patterns.
- Adjusted names of variables, constants and arrays, adapted
using code from David Keleher.
The code I used is the original code from:
http://www.inditraders.com/amibroker/1934-afl-harmonic-patterns.html
file: Harmonic1.1.afl (2009) */
Version( 6.0 );
GfxSetCoordsMode( 1 );
GfxSetOverlayMode( 1 );
BullBat4 = BullButterfly4 = BullCrab4 = BullGartley4 = 0;
BullBat = BullButterfly = BullCrab = BullGartley = 0;
BearBat4 = BearButterfly4 = BearCrab4 = BearGartley4 = 0;
BearBat = BearButterfly = BearCrab = BearGartley = 0;
bi = BarIndex();
fvb = FirstVisibleValue( bi );
lvb = LastVisibleValue( bi );
GraphXSpace = 0;
SetChartBkColor( colorBlack );
SetChartOptions( 1, chartShowDates, chartGridMiddle, 0, 0, 0 );
SetBarFillColor( IIf( C > O, ColorRGB( 0, 75, 0 ), IIf( C <= O, ColorRGB( 75, 0, 0 ), colorLightGrey ) ) );
Plot( C, "", IIf( C > O, ColorRGB( 0, 255, 0 ), IIf( C <= O, ColorRGB( 255, 0, 0 ), colorLightGrey ) ), 64, Null, Null, 0, 0, 1 );
_SECTION_BEGIN( "Patterns" );
rightstrength = Param( "Right Strength", 5, 2, 50, 1 );
leftstrength = Param( "Left Strength", 10, 2, 50, 1 );
plotFractals = ParamToggle( "Show Fractal Pivots", "Off|On", 0 );
plotLabels = ParamToggle( "Show Fractal Labels", "Off|On", 0 );
bu = ParamToggle( "Show Bullish Pattern", "Off|On", 1 );
be = ParamToggle( "Show Bearish Pattern", "Off|On", 1 );
nBull = Param( "Max Number of Bullish Patterns", 10, 0, 100, 1 );
nBear = Param( "Max Number of Bearish Patterns", 10, 0, 100, 1 );
dBat = ParamToggle( "Draw Bat", "Off|On", 1 );
dBut = ParamToggle( "Draw Buterfly", "Off|On", 1 );
dCrab = ParamToggle( "Draw Crab", "Off|On", 1 );
dGart = ParamToggle( "Draw Gartley", "Off|On", 1 );
showPatternDevelopmentPoints = ParamToggle( "Show Points of Pattern Development", "Off|On", 0 );
showPatternLabels = ParamToggle( "Show Pattern Labels", "Off|On", 0 );
_SECTION_END();
_SECTION_BEGIN( "Gartley" );
GBmin = Param( "Swing B Min.", 0.55, 0.3, 1, 0.01 );
GBmax = Param( "Swing B Max.", 0.72, 0.4, 1, 0.01 );
GCmin = Param( "Swing C Min.", 0.38, 0.3, 1.27, 0.01 );
GCmax = Param( "Swing C Max.", 1.0, 0.4, 1.27, 0.01 );
GDmin = Param( "Swing D Min.(XA)", 0.55, 0.3, 1, 0.01 );
GDmax = Param( "Swing D Max.(XA)", 1.0, 0.4, 1.0, 0.01 );
_SECTION_END();
_SECTION_BEGIN( "Bat" );
BatBmin = Param( "Swing B Min.", 0.38, 0.3, 1, 0.01 );
BatBmax = Param( "Swing B Max.", 0.55, 0.4, 1, 0.01 );
BatCmin = Param( "Swing C Min.", 0.38, 0.3, 1.62, 0.01 );
BatCmax = Param( "Swing C Max.", 1.27, 0.4, 1.62, 0.01 );
BatDmin = Param( "Swing D Min.(XA)", 0.5, 0.3, 1, 0.01 );
BatDmax = Param( "Swing D Max.(XA)", 1.0, 0.4, 1.0, 0.01 );
_SECTION_END();
_SECTION_BEGIN( "Butterfly" );
BtBmin = Param( "Swing B Min.", 0.55, 0.3, 1, 0.01 );
BtBmax = Param( "Swing B Max.", 0.9, 0.4, 1, 0.01 );
BtCmin = Param( "Swing C Min.", 0.38, 0.3, 1.62, 0.01 );
BtCmax = Param( "Swing C Max.", 1.27, 0.4, 1.62, 0.01 );
BtDmin = Param( "Swing D Min.(XA)", 1, 1, 1.8, 0.01 );
BtDmax = Param( "Swing D Max.(XA)", 1.38, 1, 1.8, 0.01 );
_SECTION_END();
_SECTION_BEGIN( "Crab" );
CBmin = Param( "Swing B Min.", 0.38, 0.3, 1, 0.01 );
CBmax = Param( "Swing B Max.", 0.65, 0.4, 1, 0.01 );
CCmin = Param( "Swing C Min.", 0.38, 0.3, 1.62, 0.01 );
CCmax = Param( "Swing C Max.", 1.270, 0.4, 1.62, 0.01 );
CDmin = Param( "Swing D Min.(XA)", 1.25, 1, 1.8, 0.01 );
CDmax = Param( "Swing D Max.(XA)", 1.8, 1, 2, 0.01 );
_SECTION_END();
function GetTop()
{
Top = H == HHV( H, leftstrength ) AND Ref( HHV( H, rightstrength ), rightstrength ) < H;
Top = Top AND LastValue( bi ) - ValueWhen( Top, bi ) > rightstrength;
return Top;
}
function GetValley()
{
Valley = L == LLV( L, leftstrength ) AND Ref( LLV( L, rightstrength ), rightstrength ) > L;
Valley = Valley AND LastValue( bi ) - ValueWhen( Valley, bi ) > rightstrength;
return Valley;
}
pk = GetTop();
tr = GetValley();
pk = IIf( pk, IIf( ValueWhen( pk, bi, 2 ) < ValueWhen( tr, bi ), pk, IIf( ValueWhen( pk, H, 2 ) > H, False, pk ) ), pk );
pk = IIf( pk AND ValueWhen( pk, bi, 0 ) > bi, IIf( ValueWhen( pk, bi, 0 ) < ValueWhen( tr, bi, 0 ), IIf( ValueWhen( pk, H, 0 ) >= H, False, pk ), pk ), pk );
tr = IIf( tr, IIf( ValueWhen( tr, bi, 2 ) < ValueWhen( pk, bi ), tr, IIf( ValueWhen( tr, L, 2 ) < L, False, tr ) ), tr );
tr = IIf( tr AND ValueWhen( tr, bi, 0 ) > bi , IIf( ValueWhen( tr, bi, 0 ) < ValueWhen( pk, bi, 0 ), IIf( ValueWhen( tr, L, 0 ) <= L, False, tr ), tr ), tr );
for( i = 0; i < 3; i++ )
{
VarSet( "px" + i, ValueWhen( pk, bi, i ) );
VarSet( "tx" + i, ValueWhen( tr, bi, i ) );
VarSet( "ph" + i, ValueWhen( pk, H, i ) );
VarSet( "tl" + i, ValueWhen( tr, L, i ) );
}
ll = tr AND tl1 < tl2;
hl = tr AND tl1 > tl2;
hh = pk AND ph1 > ph2;
lh = pk AND ph1 < ph2;
dt = pk AND ph1 == ph2;
db = tr AND tl1 == tl2;
if( PlotFractals )
{
PlotShapes( shapeSmallCircle * pk, colorRed, 0, H, 10 );
PlotShapes( shapeSmallCircle * tr, colorBlue, O, L, -10 );
}
// +++ Bullish Patterns
PTvalid = ( px1 > tx1 AND tx1 > px2 AND px2 > tx2 ) AND pk;
if( dGart AND bu )
{
BullGartley4 = PTvalid AND( ph2 - tl1 ) / ( ph2 - tl2 ) > GBmin AND( ph2 - tl1 ) / ( ph2 - tl2 ) < GBmax
AND( ph1 - tl1 ) / ( ph2 - tl1 ) > GCMin AND( ph1 - tl1 ) / ( ph2 - tl1 ) < GCMax;
BullGartley = IIf( LowestSince( BullGartley4, L ) < ValueWhen( BullGartley4, ph2 ) - ( ValueWhen( BullGartley4, ph2 ) - ValueWhen( BullGartley4, tl2 ) ) * GDmin AND
LowestSince( bullGartley4, L ) > ValueWhen( BullGartley4, ph2 ) - ( ValueWhen( BullGartley4, ph2 ) - ValueWhen( BullGartley4, tl2 ) ) * GDmax AND
HighestSince( BullGartley4, H ) <= ValueWhen( BullGartley4, ph1 ) AND
LowestSince( bullGartley4, L ) == L, True, False );
BullGartley = BullGartley AND LowestSince( BullGartley4, L ) < ValueWhen( BullGartley4, tl1 );
}
if( dBat AND bu )
{
BullBat4 = PTvalid AND( ph2 - tl1 ) / ( ph2 - tl2 ) > BatBmin AND( ph2 - tl1 ) / ( ph2 - tl2 ) < BatBmax
AND( ph1 - tl1 ) / ( ph2 - tl1 ) > BatCMin AND( ph1 - tl1 ) / ( ph2 - tl1 ) < BatCMax;
BullBat = IIf( LowestSince( BullBat4, L ) < ValueWhen( BullBat4, ph2 ) - ( ValueWhen( BullBat4, ph2 ) - ValueWhen( BullBat4, tl2 ) ) * BatDmin AND
LowestSince( BullBat4, L ) > ValueWhen( BullBat4, ph2 ) - ( ValueWhen( BullBat4, ph2 ) - ValueWhen( BullBat4, tl2 ) ) * BatDmax AND
HighestSince( BullBat4, H ) <= ValueWhen( BullBat4, ph1 ) AND
LowestSince( BullBat4, L ) == L, True, False );
BullBat = BullBat AND LowestSince( BullCrab4, L ) < ValueWhen( BullCrab4, tl1 );
}
if( dBut AND bu )
{
BullButterfly4 = PTvalid AND( ph2 - tl1 ) / ( ph2 - tl2 ) > BtBmin AND( ph2 - tl1 ) / ( ph2 - tl2 ) < BtBMax
AND( ph1 - tl1 ) / ( ph2 - tl1 ) > BtCmin AND( ph1 - tl1 ) / ( ph2 - tl1 ) < BtCmax;
BullButterfly = IIf( LowestSince( BullButterfly4, L ) < ValueWhen( BullButterfly4, ph2 ) - ( ValueWhen( BullButterfly4, ph2 ) - ValueWhen( BullButterfly4, tl2 ) ) * BtDMin AND
LowestSince( BullButterfly4, L ) > ValueWhen( BullButterfly4, ph2 ) - ( ValueWhen( BullButterfly4, ph2 ) - ValueWhen( BullButterfly4, tl2 ) ) * BtDmax AND
HighestSince( BullButterfly4, H ) <= ValueWhen( BullButterfly4, ph1 ) AND
LowestSince( bullButterfly4, L ) == L, True, False );
BullButterfly = BullButterfly AND LowestSince( BullButterfly4, L ) < ValueWhen( BullButterfly4, tl2 );
}
if( dCrab AND bu )
{
BullCrab4 = PTvalid AND( ph2 - tl1 ) / ( ph2 - tl2 ) > CBmin AND( ph2 - tl1 ) / ( ph2 - tl2 ) < CBmax
AND( ph1 - tl1 ) / ( ph2 - tl1 ) > CCmin AND( ph1 - tl1 ) / ( ph2 - tl1 ) < CCmax;
BullCrab = IIf( LowestSince( BullCrab4, L ) < ValueWhen( BullCrab4, ph2 ) - ( ValueWhen( BullCrab4, ph2 ) - ValueWhen( BullCrab4, tl2 ) ) * CDmin AND
LowestSince( BullCrab4, L ) > ValueWhen( BullCrab4, ph2 ) - ( ValueWhen( BullCrab4, ph2 ) - ValueWhen( BullCrab4, tl2 ) ) * CDmax AND
HighestSince( BullCrab4, H ) <= ValueWhen( BullCrab4, ph1 ) AND
LowestSince( bullGartley4, L ) == L, True, False );
BullCrab = BullCrab AND LowestSince( BullCrab4, L ) < ValueWhen( BullCrab4, tl2 );
}
BullHar4 = BullGartley4 OR BullButterfly4 OR BullBat4 OR BullCrab4 ;
BullHar = BullGartley OR BullButterfly OR BullBat OR BullCrab ;
buXy = ValueWhen( BullHar4, tl2 );
buXx = ValueWhen( BullHar4, tx2 );
buAy = ValueWhen( BullHar4, ph2 );
buAx = ValueWhen( BullHar4, px2 );
buBy = ValueWhen( BullHar4, tl1 );
buBx = ValueWhen( BullHar4, tx1 );
buCy = ValueWhen( BullHar4, ph1 );
buCx = ValueWhen( BullHar4, px1 );
buDy = ValueWhen( BullHar, L );
buDx = ValueWhen( BullHar, bi );
buABdXA = ( buAy - buBy ) / ( buAy - buXy );
buBCdAB = ( buCy - buBy ) / ( buAy - buBy );
buADdXA = ( buAy - buDy ) / ( buAy - buXy );
buBCdCD = ( buCy - buDy ) / ( buCy - buBy );
function drawBullishPattern( i, patternName )
{
GfxSelectSolidBrush( ColorRGB( 0, 0, 50 ) );
GfxSetBkColor( colorBlack );
GfxSelectPen( ColorRGB( 0, 0, 255 ), 2, 0 );
GfxMoveTo( buXx[i], buXy[i] );
GfxLineTo( buAx[i], buAy[i] );
GfxMoveTo( buAx[i], buAy[i] );
GfxLineTo( buBx[i], buBy[i] );
GfxMoveTo( buBx[i], buBy[i] );
GfxLineTo( buCx[i], buCy[i] );
GfxMoveTo( buCx[i], buCy[i] );
GfxLineTo( buDx[i], buDy[i] );
GfxMoveTo( buXx[i], buXy[i] );
GfxLineTo( buAx[i], buAy[i] );
GfxSelectPen( ColorRGB( 0, 0, 255 ), 1, 2 );
GfxMoveTo( buXx[i], buXy[i] );
GfxLineTo( buBx[i], buBy[i] );
GfxMoveTo( buAx[i], buAy[i] );
GfxLineTo( buCx[i], buCy[i] );
GfxMoveTo( buBx[i], buBy[i] );
GfxLineTo( buDx[i], buDy[i] );
GfxMoveTo( buXx[i], buXy[i] );
GfxLineTo( buDx[i], buDy[i] );
GfxPolygon( buXx[i], buXy[i], buAx[i], buAy[i], buBx[i], buBy[i], buCx[i], buCy[i], buDx[i], buDy[i], buBx[i], buBy[i], buXx[i], buXy[i] );
GfxSetTextColor( ColorRGB( 0, 0, 0 ) );
GfxSelectFont( "Helvetica", 10, 700 );
GfxSetBkColor( ColorRGB( 0, 0, 255 ) );
GfxSetTextAlign( 0 | 8 );
GfxTextOut( patternName, buCx[i] + 3, buCy[i] );
GfxSetTextAlign( 0 | 0 );
GfxSetTextColor( ColorRGB( 0, 0, 255 ) );
GfxSetBkColor( ColorRGB( 0, 0, 0 ) );
GfxSelectFont( "Helvetica", 8, 700 );
GfxTextOut( "" + Prec( buABdXA[i], 2 ), ( buBx[i] + buXx[i] ) / 2, ( buBy[i] + buXy[i] ) / 2 );
GfxTextOut( "" + Prec( buBCdAB[i], 2 ), ( buCx[i] + buAx[i] ) / 2, ( buCy[i] + buAy[i] ) / 2 );
GfxTextOut( "" + Prec( buADdXA[i], 2 ), ( buDx[i] + buXx[i] ) / 2, ( buDy[i] + buXy[i] ) / 2 );
GfxTextOut( "" + Prec( buBCdCD[i], 2 ), ( buBx[i] + buDx[i] ) / 2, ( buBy[i] + buDy[i] ) / 2 );
if( showPatternLabels )
{
GfxSetTextColor( ColorRGB( 0, 0, 0 ) );
GfxSelectFont( "Helvetica", 10, 700 );
GfxSetBkColor( ColorRGB( 0, 0, 255 ) );
GfxSetTextAlign( 0 | 24 );
GfxTextOut( "X", buXx[i] - 2, buXy[i] );
GfxTextOut( "A", buAx[i] - 2, buAy[i] );
GfxTextOut( "B", buBx[i] - 2, buBy[i] );
GfxTextOut( "C", buCx[i] + 1, buCy[i] );
GfxTextOut( "D", buDx[i] + 1, buDy[i] );
}
}
function drawBullishPatterns()
{
flag1 = 1;
flag2 = 0;
cnt = 0;
for( i = lvb; i > fvb; i-- )
{
if( BullHar[i] AND flag1 AND cnt < nBull )
{
flag1 = 0;
flag2 = 1;
cnt = cnt + 1;
if( BullButterfly[i] AND bu AND dBut )
{
drawBullishPattern( i, "Bullish Butterfly" );
}
else
if( BullCrab[i] AND bu AND dCrab )
{
drawBullishPattern( i, "Bullish Crab" );
}
else
if( BullBat[i] AND bu AND dBat )
{
drawBullishPattern( i, "Bullish Bat" );
}
else
if( BullGartley[i] AND bu AND dGart )
{
drawBullishPattern( i, "Bullish Gartley" );
}
}
if( BullHar4[i] AND flag2 )
{
flag1 = 1;
flag2 = 0;
}
}
}
drawBullishPatterns();
// +++ Bearish Patterns
PTvalid = ( tx1 > px1 AND px1 > tx2 AND tx2 > px2 ) AND tr;
if( dGart AND be )
{
BearGartley4 = PTvalid AND( ph1 - tl2 ) / ( ph2 - tl2 ) > GBmin AND( ph1 - tl2 ) / ( ph2 - tl2 ) < GBmax AND
( ph1 - tl1 ) / ( ph1 - tl2 ) > GCmin AND( ph1 - tl1 ) / ( ph1 - tl2 ) < GCmax;
BearGartley = IIf( HighestSince( bearGartley4, H ) > ValueWhen( BearGartley4, tl2 ) + ( ValueWhen( BearGartley4, ph2 ) - ValueWhen( BearGartley4, tl2 ) ) * GDmin AND
HighestSince( bearGartley4, H ) < ValueWhen( BearGartley4, tl2 ) + ( ValueWhen( BearGartley4, ph2 ) - ValueWhen( BearGartley4, tl2 ) ) * GDMax AND
LowestSince( BearGartley4, L ) >= ValueWhen( BearGartley4, tl1 ) AND
HighestSince( BearGartley4, H ) == H, True, False );
BearGartley = BearGartley AND HighestSince( BearGartley4, H ) > ValueWhen( BearGartley4, ph1 );
}
if( dBat AND be )
{
BearBat4 = PTvalid AND( ph1 - tl2 ) / ( ph2 - tl2 ) > BatBmin AND( ph1 - tl2 ) / ( ph2 - tl2 ) < BatBmax AND
( ph1 - tl1 ) / ( ph1 - tl2 ) > BatCmin AND( ph1 - tl1 ) / ( ph1 - tl2 ) < BatCmax;
BearBat = IIf( ( HighestSince( BearBat4, H ) > ValueWhen( BearBat4, tl2 ) + ( ValueWhen( BearBat4, ph2 ) - ValueWhen( BearBat4, tl2 ) ) * BatDmin AND
HighestSince( BearBat4, H ) < ValueWhen( BearBat4, tl2 ) + ( ValueWhen( BearBat4, ph2 ) - ValueWhen( BearBat4, tl2 ) ) * BatDMax AND
LowestSince( BearBat4, L ) >= ValueWhen( BearBat4, tl1 ) AND
HighestSince( BearBat4, H ) == H ), True, False );
BearBat = BearBat AND HighestSince( BearBat4, H ) > ValueWhen( BearBat4, ph1 );
}
if( dBut AND be )
{
BearButterfly4 = PTvalid AND( ph1 - tl2 ) / ( ph2 - tl2 ) > BtBmin AND( ph1 - tl2 ) / ( ph2 - tl2 ) < BtBmax AND
( ph1 - tl1 ) / ( ph1 - tl2 ) > BtCmin AND( ph1 - tl1 ) / ( ph1 - tl2 ) < BtCmax;
BearButterfly = IIf( HighestSince( BearButterfly4, H ) > ValueWhen( BearButterfly4, tl2 ) + ( ValueWhen( BearButterfly4, ph2 ) - ValueWhen( BearButterfly4, tl2 ) ) * BtDmin AND
HighestSince( BearButterfly4, H ) < ValueWhen( BearButterfly4, tl2 ) + ( ValueWhen( BearButterfly4, ph2 ) - ValueWhen( BearButterfly4, tl2 ) ) * BtDMax AND
LowestSince( BearButterfly4, L ) >= ValueWhen( BearButterfly4, tl1 ) AND
HighestSince( BearButterfly4, H ) == H, True, False );
BearButterfly = BearButterfly AND HighestSince( BearButterfly4, H ) > ValueWhen( BearButterfly4, ph2 );
}
if( dCrab AND be )
{
BearCrab4 = PTvalid AND( ph1 - tl2 ) / ( ph2 - tl2 ) > CBmin AND( ph1 - tl2 ) / ( ph2 - tl2 ) < CBmax AND
( ph1 - tl1 ) / ( ph1 - tl2 ) > CCmin AND( ph1 - tl1 ) / ( ph1 - tl2 ) < CCmax;
BearCrab = IIf( HighestSince( BearCrab4, H ) > ValueWhen( BearCrab4, tl2 ) + ( ValueWhen( BearCrab4, ph2 ) - ValueWhen( BearCrab4, tl2 ) ) * CDmin AND
HighestSince( BearCrab4, H ) < ValueWhen( BearCrab4, tl2 ) + ( ValueWhen( BearCrab4, ph2 ) - ValueWhen( BearCrab4, tl2 ) ) * CDMax AND
LowestSince( BearCrab4, L ) >= ValueWhen( BearCrab4, tl1 ) AND
HighestSince( BearCrab4, H ) == H, True, False );
BearCrab = BearCrab AND HighestSince( BearCrab4, H ) > ValueWhen( BearCrab4, ph2 );
}
BearHar4 = BearGartley4 OR BearButterfly4 OR BearBat4 OR BearCrab4 ;
BearHar = BearGartley OR BearButterfly OR BearBat OR BearCrab ;
beXy = ValueWhen( BearHar4, ph2 );
beXx = ValueWhen( BearHar4, px2 );
beAy = ValueWhen( BearHar4, tl2 );
beAx = ValueWhen( BearHar4, tx2 );
beBy = ValueWhen( BearHar4, ph1 );
beBx = ValueWhen( BearHar4, px1 );
beCy = ValueWhen( BearHar4, tl1 );
beCx = ValueWhen( BearHar4, tx1 );
beDy = ValueWhen( BearHar, H );
beDx = ValueWhen( BearHar, bi );
beABdXA = ( beBy - beAy ) / ( beXy - beAy );
beBCdAB = ( beBy - beCy ) / ( beBy - beAy );
beADdXA = ( beDy - beAy ) / ( beXy - beAy );
beBCdCD = ( beDy - beCy ) / ( beBy - beCy );
function drawBearishPattern( i, patternName )
{
GfxSelectSolidBrush( ColorRGB( 50, 0, 0 ) );
GfxSetBkColor( colorBlack );
GfxSelectPen( ColorRGB( 255, 0, 0 ), 2, 0 );
GfxMoveTo( beXx[i], beXy[i] );
GfxLineTo( beAx[i], beAy[i] );
GfxMoveTo( beAx[i], beAy[i] );
GfxLineTo( beBx[i], beBy[i] );
GfxMoveTo( beBx[i], beBy[i] );
GfxLineTo( beCx[i], beCy[i] );
GfxMoveTo( beCx[i], beCy[i] );
GfxLineTo( beDx[i], beDy[i] );
GfxMoveTo( beXx[i], beXy[i] );
GfxLineTo( beAx[i], beAy[i] );
GfxSelectPen( ColorRGB( 255, 0, 0 ), 1, 2 );
GfxMoveTo( beXx[i], beXy[i] );
GfxLineTo( beBx[i], beBy[i] );
GfxMoveTo( beAx[i], beAy[i] );
GfxLineTo( beCx[i], beCy[i] );
GfxMoveTo( beBx[i], beBy[i] );
GfxLineTo( beDx[i], beDy[i] );
GfxMoveTo( beXx[i], beXy[i] );
GfxLineTo( beDx[i], beDy[i] );
GfxPolygon( beXx[i], beXy[i], beAx[i], beAy[i], beBx[i], beBy[i], beCx[i], beCy[i], beDx[i], beDy[i], beBx[i], beBy[i], beXx[i], beXy[i] );
GfxSetTextColor( ColorRGB( 0, 0, 0 ) );
GfxSelectFont( "Helvetica", 10, 700 );
GfxSetBkColor( ColorRGB( 255, 0, 0 ) );
GfxSetTextAlign( 0 | 0 );
GfxTextOut( patternName, beCx[i] + 3, beCy[i] );
GfxSetTextAlign( 0 | 0 );
GfxSetTextColor( ColorRGB( 255, 0, 0 ) );
GfxSetBkColor( ColorRGB( 0, 0, 0 ) );
GfxSelectFont( "Helvetica", 8, 700 );
GfxTextOut( "" + Prec( beABdXA[i], 2 ), ( beBx[i] + beXx[i] ) / 2, ( beBy[i] + beXy[i] ) / 2 );
GfxTextOut( "" + Prec( beBCdAB[i], 2 ), ( beCx[i] + beAx[i] ) / 2, ( beCy[i] + beAy[i] ) / 2 );
GfxTextOut( "" + Prec( beADdXA[i], 2 ), ( beDx[i] + beXx[i] ) / 2, ( beDy[i] + beXy[i] ) / 2 );
GfxTextOut( "" + Prec( beBCdCD[i], 2 ), ( beBx[i] + beDx[i] ) / 2, ( beBy[i] + beDy[i] ) / 2 );
if( showPatternLabels )
{
GfxSetTextColor( ColorRGB( 0, 0, 0 ) );
GfxSelectFont( "Helvetica", 10, 700 );
GfxSetBkColor( ColorRGB( 255, 0, 0 ) );
GfxSetTextAlign( 0 | 24 );
GfxTextOut( "X", beXx[i] - 2, beXy[i] );
GfxTextOut( "A", beAx[i] - 2, beAy[i] );
GfxTextOut( "B", beBx[i] - 2, beBy[i] );
GfxTextOut( "C", beCx[i] + 1, beCy[i] );
GfxTextOut( "D", beDx[i] + 1, beDy[i] );
}
}
function drawBearishPatterns()
{
flag1 = 1;
flag2 = 0;
cnt = 0;
for( i = lvb; i > fvb; i-- )
{
if( BearHar[i] AND flag1 AND cnt < nBear )
{
flag1 = 0;
flag2 = 1;
cnt = cnt + 1;
if( BearButterfly[i] AND be AND dBut )
{
drawBearishPattern( i, "Bearish Butterfly" );
}
else
if( BearCrab[i] AND be AND dCrab )
{
drawBearishPattern( i, "Bearish Crab" );
}
else
if( BearBat[i] AND be AND dBat )
{
drawBearishPattern( i, "Bearish Bat" );
}
else
if( BearGartley[i] AND be AND dGart )
{
drawBearishPattern( i, "Bearish Gartley" );
}
}
if( BearHar4[i] AND flag2 )
{
flag1 = 1;
flag2 = 0;
}
}
}
drawBearishPatterns();
function drawPivotLabels()
{
sz = 5;
for( i = lvb; i > fvb; i-- )
{
{
if( ll[i] ) PlotTextSetFont( "LL", "Arial Black", sz, i, L[i], colorBlue, colorDefault, -25 );
if( hl[i] ) PlotTextSetFont( "HL", "Arial Black", sz, i, L[i], colorBlue, colorDefault, -25 );
if( db[i] ) PlotTextSetFont( "DB", "Arial Black", sz, i, L[i], colorLightBlue, colorDefault, -25 );
if( hh[i] ) PlotTextSetFont( "HH", "Arial Black", sz, i, H[i], colorRed, colorDefault, 20 );
if( lh[i] ) PlotTextSetFont( "LH", "Arial Black", sz, i, H[i], colorRed, colorDefault, 20 );
if( dt[i] ) PlotTextSetFont( "DT", "Arial Black", sz, i, H[i], colorOrange, colorDefault, 20 );
}
}
}
if( plotLabels ) drawPivotLabels();
if( showPatternDevelopmentPoints )
{
if( bu )
{
PlotShapes( shapeDigit4 * BullHar4, colorBlue, O, H, 10 );
PlotShapes( shapeSmallCircle * BullHar, ColorLightBlue, O, L, -10 );
}
if( be )
{
PlotShapes( shapeDigit4 * BearHar4, colorRed, O, L, -10 );
PlotShapes( shapeSmallCircle * BearHar, colorOrange, O, H, 10 );
}
}11 comments
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you have make them beautiful only, am I true? (I don’t want to repeat testing)
could you please add approximated reversals of these pattern in the chart (please)?
thanks
mhjmail
@gmail dot com
you can add for instance
for the bearisch patterns. Then shapeDigit4 is put at the point where the harmonic pattern with 4 pivots is known. Then it looks for the 5-th point. I only start plotting the harmonic patterns when the complete pattern is know at the earliest point. The point is shown by the orange colored shapeSmallCircle*BearHar.
Same for the bullish patterns you can add:
This is how it is written by the original author.
So if you add:
on the bottom of the code the orange and lightblue dots show when the patterns started and what its path has been during its forming.
Also try to use the Playback in Amibroker to see how they develop.
I made a little update, see:
http://wisestocktrader.com/indicatorpasties/1743-edakads-improved-code-3
now if you go to the parameter window and toggle ON:
“Show Points of Pattern Development”
then you will see the points appear in the chart where your harmonic patterns starts to develop. Note that in some cases the 4-point figure developed but it will not result in a harmonic pattern because the 5-th points is not developed. However, the 4-th point shapeDigit4 is still plotted in the chart.
Mr pottash can you add 123 pattern in it and also exploration function then I’ll be very grateful to you. Waiting for your reply
hi, thanks for your comment. Maybe in a later version because I have to study the topic a bit myself. I wanted to add the ABCD pattern first since it is often part of the current patterns. However, I am still not sure what Swing Max/Min parameters to use. The original author uses certain numbers but I am not sure where he got them from.
If anyone uses these patterns for their trading successfully and knows which Swing parameters to use please email me (empottasch@gmail.com)
for now I have an update of the code here:
http://wisestocktrader.com/indicatorpasties/1744-edakads-improved-code-4
you can now just plot 1 pattern, e.g. bullish gartley without getting the chart poluted with other stuff.
Also have a look at the parameter window. You can now also show X,A,B,C,D labels. Also you can show socalled “points of pattern development”. If you turn this on and do a playback you will see what they are.
Mr. Pottash ratio given by you fine, actually harmonic pattern is not for intraday trade. Actually around 80% of the harmonic pattern work correctly in day chart if you apply it with fibonacci. I am using harmonic with your vstop vwap formula because in your vwap formula fibonacci is very nice.
In case of ratio you can take some help from harmonic pattern books, I can mail you just drop a message in my inbox manaskumarpan@gmail.com
Waiting for your reply
Another important point is that Mr pottash please keep more than one pattern in a chart because if you keep one pattern then problem is that when a pattern completed with last 20 bar and another pattern is making with last 40 bar then last pattern will not be visible
hi,
thanks for your comment. I will email later. With respect to exploration, that is simple to add, will show later how.
There was a small problem that some patterns are drawn while they should not and some “patternDevelopmentPoints” are drawn after the fact. This is because the pattern can only be known at rightStrength bars after point 4. The original code does not take this into account. The corrected code is here:
http://wisestocktrader.com/indicatorpasties/1745-edakads-improved-code-5
this should be correct now, although these fractal pivots on a rare occasion still give a problem. I used the “fractal cleaning” code by the original author since my own code has issues as well.
I also made a version with ATR pivots. I might post this later because I need to still check this
again I found some problems with the original code that emerge on occasion.
corrected for that: http://wisestocktrader.com/indicatorpasties/1746-edakads-improved-code-6
hope I found all the problems now
latest code with respect to this, using fractal pivots, find it here:
http://wisestocktrader.com/indicatorpasties/1761-harmonics-+-fractals
It works fine. What should we do to use explorarda?