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Trendline Multiple TimeFrame for Amibroker (AFL)

Rating:
3 / 5 (Votes 23)
Tags:
trendline, amibroker

Amibroker AFL code by Edward Pottasch, 6/8/2011

Using fractals to create automatic trendlines
Using option to show multiple timeframes

Version(5.21);

This indicator is published with the generous permission
of the author Edward Pottasch. Thanks Ed.

Screenshots

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Indicator / Formula

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_SECTION_BEGIN("Trendlines Multitimeframe");
// Amibroker AFL code by Edward Pottasch, 6/8/2011
// Using fractals to create automatic trendlines
// Using option to show multiple timeframes
Version(5.21);
xx=BarIndex();x=xx;Lx=LastValue(x);
nbar=Param("N Pivot Bars",3,2,50,1); 
tf=Param("Time Frame (min)",5,1,100000,1);tfrm=in1Minute*tf;
CleanPivots=ParamToggle("Use Clean Pivots","Off|On",0);
PivotSymmetry=ParamToggle("Use Symmetric Pivots","Off|On",0);
tld=ParamToggle("All trendlines","Show|Hide",1);
showSignals=ParamToggle("Display signals","Off|On",0);

TimeFrameSet(tfrm); 
if (PivotSymmetry)
{
	fc=1;
	pk=H>Ref(HHV(H,nbar*fc),-1) AND Ref(HHV(H,nbar),nbar)<=H;
	tr=L<Ref(LLV(L,nbar*fc),-1) AND Ref(LLV(L,nbar),nbar)>=L;
}
else
{
	fc=2;
	pk=H>Ref(HHV(H,nbar*fc),-1) AND Ref(HHV(H,nbar),nbar)<=H;
	tr=L<Ref(LLV(L,nbar*fc),-1) AND Ref(LLV(L,nbar),nbar)>=L;
}
px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);
if (CleanPivots)
{
tr=IIf(pk AND tr AND ph1>ph2 AND tl1>tl2,False,tr);
pk=IIf(pk AND tr AND ph1<ph2 AND tl1<tl2,False,pk);

px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);

pk=IIf(pk AND px1>tx1 AND ph1<tl1,False,pk);
tr=IIf(tr AND tx1>px1 AND tl1>ph1,False,tr);
pk=IIf(pk AND px0<tx0 AND ph0>ph1,False,pk);
tr=IIf(tr AND px0>tx0 AND tl0<tl1,False,tr);
pk=IIf(pk AND px2>tx1 AND ph1<=ph2,False,pk);
tr=IIf(tr AND tx2>px1 AND tl1>=tl2,False,tr);
pk=IIf(pk AND px0>px1 AND px1>tx1 AND px1>tx0 AND ph0>ph1,False,pk);
tr=IIf(tr AND tx0>tx1 AND tx1>px1 AND tx1>px0 AND tl0<tl1,False,tr);

px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);

pk=IIf(pk AND px1>tx1 AND ph1<tl1,False,pk);
tr=IIf(tr AND tx1>px1 AND tl1>ph1,False,tr);
pk=IIf(pk AND px0<tx0 AND ph0>ph1,False,pk);
tr=IIf(tr AND px0>tx0 AND tl0<tl1,False,tr);
pk=IIf(pk AND px2>tx1 AND ph1<=ph2,False,pk);
tr=IIf(tr AND tx2>px1 AND tl1>=tl2,False,tr);
pk=IIf(pk AND px0>px1 AND px1>tx1 AND px1>tx0 AND ph0>ph1,False,pk);
tr=IIf(tr AND tx0>tx1 AND tx1>px1 AND tx1>px0 AND tl0<tl1,False,tr);

px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);

pk=IIf(pk AND px1>tx1 AND px2>tx1 AND ph1<ph2,False,pk);
tr=IIf(tr AND tx1>px1 AND tx2>px1 AND tl1>tl2,False,tr);
}
pkh=IIf(pk,H,Null);
trl=IIf(tr,L,Null);
TimeFrameRestore();
fact=Max(tfrm/60,Interval()/60)/(Interval()/60);
Lkbk=tfrm/Interval();
if(Lkbk>1)
{
	pk=TimeFrameExpand(pk,tfrm,expandFirst);	
	pkh=TimeFrameExpand(pkh,tfrm,expandFirst);
	pkhs=IIf(!IsEmpty(pkh),1,0);pkhs=pkhs-Ref(pkhs,-1);
	pk=pk AND H==pkh;
	cond1=Sum(pk,BarsSince(pkhs==1)+1)==1 AND pk;
	pk=pk AND cond1;
	
	tr=TimeFrameExpand(tr,tfrm,expandFirst);	
	trl=TimeFrameExpand(trl,tfrm,expandFirst);
	trls=IIf(!IsEmpty(trl),1,0);trls=trls-Ref(trls,-1);
	tr=tr AND L==trl;
	cond1=Sum(tr,BarsSince(trls==1)+1)==1 AND tr;
	tr=tr AND cond1;
	
	px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
	px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
	px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
	ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
	ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
	ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);
}
y0=ValueWhen(tr,trl,0); 
y1=ValueWhen(tr,trl,1);
y2=ValueWhen(tr,trl,2);
y3=ValueWhen(tr,trl,3);
x0=ValueWhen(tr,xx,0);
x1=ValueWhen(tr,xx,1);
x2=ValueWhen(tr,xx,2);
x3=ValueWhen(tr,xx,3);
aa=(Y0-Y1)/(X0-X1);
ls1=aa*(xx-X1)+Y1;
dls1=ls1-Ref(ls1,-1);
aa=(Y1-Y2)/(X1-X2);
ls2=aa*(xx-X1)+Y1;
dls2=ls2-Ref(ls2,-1);
dls2=IIf(tr,Ref(dls1,-1),dls2);
aa=(Y2-Y3)/(X2-X3);
ls3=aa*(xx-X2)+Y2;
dls3=ls3-Ref(ls3,-1);
dls3=IIf(tr,Ref(dls2,-1),dls3);
y0=ValueWhen(pk,pkh,0); 
y1=ValueWhen(pk,pkh,1);
y2=ValueWhen(pk,pkh,2);
y3=ValueWhen(pk,pkh,3);
x0=ValueWhen(pk,xx,0);
x1=ValueWhen(pk,xx,1);
x2=ValueWhen(pk,xx,2);
x3=ValueWhen(pk,xx,3);
aa=(Y0-Y1)/(X0-X1);
hs1=aa*(xx-X1)+Y1;
dhs1=hs1-Ref(hs1,-1);
aa=(Y1-Y2)/(X1-X2);
hs2=aa*(xx-X1)+Y1;
dhs2=hs2-Ref(hs2,-1);
dhs2=IIf(pk,Ref(dhs1,-1),dhs2);
aa=(Y2-Y3)/(X2-X3);
hs3=aa*(xx-X2)+Y2;
dhs3=hs3-Ref(hs3,-1);
dhs3=IIf(pk,Ref(dhs2,-1),dhs3);
if (tld)
{
	dd=0.0;
	Vh=dd*(ValueWhen(pk,C)-ValueWhen(pk,Ref(C,-1)))/ValueWhen(pk,C);
	Vl=dd*(ValueWhen(tr,C)-ValueWhen(tr,Ref(C,-1)))/ValueWhen(tr,C);
	ls1=IIf(dls1>=Vl,ls1,Null);
	ls2=IIf(dls2>=Vl,ls2,Null);
	ls3=IIf(dls3>=Vl,ls3,Null);
	hs1=IIf(dhs1<=Vh,hs1,Null);
	hs2=IIf(dhs2<=Vh,hs2,Null);
	hs3=IIf(dhs3<=Vh,hs3,Null);
}
ls2a=IIf(BarsSince(tr)<=nbar*fact,ls2,Null);
ls2b=IIf(BarsSince(tr)>nbar*fact,ls2,Null);
ls3=IIf(BarsSince(tr)<=nbar*fact,ls3,Null);
hs2a=IIf(BarsSince(pk)<=nbar*fact,hs2,Null);
hs2b=IIf(BarsSince(pk)>nbar*fact,hs2,Null);
hs3=IIf(BarsSince(pk)<=nbar*fact,hs3,Null);
_SECTION_END();

_SECTION_BEGIN("Chart Colors");
SetChartBkColor(ParamColor("Background Color",ColorRGB(0,0,0)));
SetChartOptions(0,chartShowDates);
SetBarFillColor(IIf(C>O,ParamColor("Candle UP Color", colorGreen),IIf(C<=O,ParamColor("Candle Down Color", colorRed),colorLightGrey)));
Plot(C,"Price",IIf(C>O,ParamColor("Wick UP Color", colorDarkGreen),IIf(C<=O,ParamColor("Wick Down Color", colorDarkRed),colorLightGrey)),64,0,0,0,0);
Plot(pkh,"",colorRed,styleThick,0,0,0,-1);
Plot(trl,"",colorBrightGreen,styleThick,0,0,0,-1);	
PlotShapes(shapeSmallCircle*tr,IIf(Lx-ValueWhen(tr,x)>nbar*fact,ColorRGB(0,100,0),colorWhite),0,L,-10);
PlotShapes(shapeSmallCircle*pk,IIf(Lx-ValueWhen(pk,x)>nbar*fact,ColorRGB(255,0,0),colorWhite),0,H,10);
Plot(ls1,"\nLower Trendline",colorBrightGreen,styleLine|styleNoRescale,0,0,0,-1);
Plot(ls2a,"",colorLightGrey,styleNoLine|styleDots|styleThick|styleNoRescale,0,0,0,-1);
Plot(ls2b,"",colorDarkGreen,styleNoLine|styleDots|styleThick|styleNoRescale,0,0,0,-1);
Plot(ls3,"",colorDarkGreen,styleNoLine|styleDots|styleThick|styleNoRescale,0,0,0,-1);
Plot(hs1,"\nUpper Trendline",colorRed,styleLine|styleNoRescale,0,0,0,-1);
Plot(hs2a,"",colorLightGrey,styleNoLine|styleDots|styleThick|styleNoRescale,0,0,0,-1);
Plot(hs2b,"",colorOrange,styleNoLine|styleDots|styleThick|styleNoRescale,0,0,0,-1);
Plot(hs3,"",colorOrange,styleNoLine|styleDots|styleThick|styleNoRescale,0,0,0,-1);
_SECTION_END();

if(showSignals)
{
Buy=( (!IsEmpty(Ref(hs2b,-1)) AND Ref(C<hs2b,-1)) AND (!IsEmpty(hs2b) AND C>hs2b) )
OR ( (!IsEmpty(Ref(hs3,-1)) AND Ref(C<hs3,-1)) AND (!IsEmpty(hs3) AND C>hs3) )
OR ( (!IsEmpty(Ref(hs2b,-1)) AND Ref(C<hs2b,-1)) AND (!IsEmpty(hs3) AND C>hs3) );
Buy=ExRem(Buy,tr OR pk);
BuyPrice=C;

Short=( (!IsEmpty(Ref(ls2b,-1)) AND Ref(C>ls2b,-1)) AND (!IsEmpty(ls2b) AND C<ls2b) )
OR ( (!IsEmpty(Ref(ls3,-1)) AND Ref(C>ls3,-1)) AND (!IsEmpty(ls3) AND C<ls3) )
OR ( (!IsEmpty(Ref(ls2b,-1)) AND Ref(C>ls2b,-1)) AND (!IsEmpty(ls3) AND C<ls3) );
Short=ExRem(Short,tr OR pk);
ShortPrice=C;
PlotShapes(IIf(Buy,shapeSmallUpTriangle,shapeNone),colorGreen,0,L,-15);
PlotShapes(IIf(Buy,shapeSmallCircle,shapeNone),colorWhite,0,BuyPrice,0);
PlotShapes(IIf(Short,shapeSmallDownTriangle,shapeNone),colorRed,0,H,-15);
PlotShapes(IIf(Short,shapeSmallCircle,shapeNone),colorWhite,0,ShortPrice,0);
}

qq=Interval()/60;
if(qq < 60){tf=" min";tt=qq;}
else if(qq >= 60 AND qq < 1440){tf=" hrs";tt=qq/60;}
else if(qq >= 1440){tf=" days";tt=(qq/60)/24;}
qq=Max(tfrm/60,Interval()/60);
if(qq < 60){tfa=" min";tta=qq;}
else if(qq >= 60 AND qq < 1440){tfa=" hrs";tta=qq/60;}
else if(qq >= 1440){tfa=" days";tta=(qq/60)/24;}

Title = Name() + 
"\nNbar: " + nbar + 
"\nChart TF: " + tt + tf + 
"\nTrend TF: " + tta + tfa;

_SECTION_BEGIN("Label");
disp=ParamToggle("Display labels","Off|On",1);
dxhm=Param("Shift X Highs (Margin)",14,-100,100,1);
dxlm=Param("Shift X Lows (Margin)",10,-100,100,1);
dxh=Param("Shift X Highs",0,-100,100,1);
dxl=Param("Shift X Lows",0,-100,100,1);
dyhm=Param("Shift Y Highs (Margin)",5,-100,100,1);
dylm=Param("Shift Y Lows (Margin)",3,-100,100,1);
dyh=Param("Shift Y Highs",18,-100,100,1);
dyl=Param("Shift Y Lows",29,-100,100,1);
hm=Param("Marging High",30,-100,100,1);
lm=Param("Margin Low",30,-100,100,1);

function GetVisibleBarCount() 
{
	lvb=Status("lastvisiblebar");
	fvb=Status("firstvisiblebar");
	return Min(lvb-fvb,BarCount-fvb);
} 
function GfxConvertPixelsToBarX(Pixels)
{
	lvb=Status("lastvisiblebar");
	fvb=Status("firstvisiblebar");
	pxchartleft=Status("pxchartleft");
	pxchartwidth=Status("pxchartwidth");
	fac=pxchartwidth/Pixels;
	bar=(lvb-fvb)/fac;
	return bar;
} 
function GfxConvertPixelToValueY(Pixels) 
{
	local Miny,Maxy,pxchartbottom,pxchartheight;
	Miny=Status("axisminy");
	Maxy=Status("axismaxy");
	pxchartbottom=Status("pxchartbottom");
	pxchartheight=Status("pxchartheight");
	fac=pxchartheight/Pixels;
	Value=(Maxy-Miny)/fac;
	return Value;
} 
if(disp)
{
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;

PlotShapes(shapeHollowCircle*lh,ColorRGB(255,193,193),0,H,10);
PlotShapes(shapeHollowCircle*hl,ColorRGB(202,255,112),0,L,-10);

miny=Status("axisminy");
maxy=Status("axismaxy");
AllVisibleBars=GetVisibleBarCount();
fvb=Status("firstvisiblebar");
LowMargin=Miny+GfxConvertPixelToValueY(lm);
HighMargin=Maxy-GfxConvertPixelToValueY(hm);
dyllm=GfxConvertPixelToValueY(dylm);
dyhhm=GfxConvertPixelToValueY(dyhm);
dyll=GfxConvertPixelToValueY(dyl);
dyhh=GfxConvertPixelToValueY(dyh);
dxllm=GfxConvertPixelsToBarX(dxlm);
dxhhm=GfxConvertPixelsToBarX(dxhm);
dxll=GfxConvertPixelsToBarX(dxl);
dxhh=GfxConvertPixelsToBarX(dxh);

for(i=0;i<AllVisibleBars;i++) 
{
	if(ll[i+fvb] AND L[i+fvb]>LowMargin) PlotText("LL",i+fvb+dxll,L[i+fvb]-dyll,colorWhite,colorBlack);
	if(ll[i+fvb] AND L[i+fvb]<=LowMargin) PlotText("LL",i+fvb+dxll+dxllm,L[i+fvb]-dyllm,colorWhite,colorBlack);
	if(hl[i+fvb] AND L[i+fvb]>LowMargin) PlotText("HL",i+fvb+dxll,L[i+fvb]-dyll,colorWhite,colorBlack);
	if(hl[i+fvb] AND L[i+fvb]<=LowMargin) PlotText("HL",i+fvb+dxll+dxllm,L[i+fvb]-dyllm,colorWhite,colorBlack);
	if(db[i+fvb] AND L[i+fvb]>LowMargin) PlotText("DB",i+fvb+dxll,L[i+fvb]-dyll,colorWhite,colorBlack);
	if(db[i+fvb] AND L[i+fvb]<=LowMargin) PlotText("DB",i+fvb+dxll+dxllm,L[i+fvb]-dyllm,colorWhite,colorBlack);	
	if(hh[i+fvb] AND H[i+fvb]<HighMargin) PlotText("HH",i+fvb+dxhh,H[i+fvb]+dyhh,colorWhite,colorBlack);
	if(hh[i+fvb] AND H[i+fvb]>=HighMargin) PlotText("HH",i+fvb+dxhh+dxhhm,H[i+fvb]+dyhhm,colorWhite,colorBlack);	
	if(lh[i+fvb] AND H[i+fvb]<HighMargin) PlotText("LH",i+fvb+dxhh,H[i+fvb]+dyhh,colorWhite,colorBlack);
	if(lh[i+fvb] AND H[i+fvb]>=HighMargin) PlotText("LH",i+fvb+dxhh+dxhhm,H[i+fvb]+dyhhm,colorWhite,colorBlack);		
	if(dt[i+fvb] AND H[i+fvb]<HighMargin) PlotText("DT",i+fvb+dxhh,H[i+fvb]+dyhh,colorWhite,colorBlack);
	if(dt[i+fvb] AND H[i+fvb]>=HighMargin) PlotText("DT",i+fvb+dxhh+dxhhm,H[i+fvb]+dyhhm,colorWhite,colorBlack);	
}
Plot(tr,"",ColorRGB(0,100,0),styleHistogram|styleDashed|styleOwnScale|styleNoLabel,0,1,0,0);
Plot(pk,"",ColorRGB(100,0,0),styleHistogram|styleDashed|styleOwnScale|styleNoLabel,0,1,0,0);

}
_SECTION_END();

21 comments

1. administrator

Updated the picture with an image Ed sent me.

2. prasadmuni

ADMINISTRATOR THANKING YOU A MILLION AND HAVE NO WORDS TO THANK THE GENIOUS OF THE AUTHOUR ED POTTASCH.LET THE ALMIGHTY BLESS HIM AND HIS FAMILY FOR MANY MANY YEARS TO COME.ONCE AGAIN THANKING HIM FROM MY HEART.ANYBODY TRADING THE DIVERGENCES CAN GET NOTHING BETTER THEN THIS.ICING ON THE CAKE.
WARM WISHES MUNIPRASAD

3. mvsgautam2004

Great sir,I am following this chart along with 20 ma crossover.looks good

4. vbarenho

@Edward you rule! Thank you

5. kv_maligi

Great AFL. The Skills of author are extraordinary.
Also, I have seen other of his AFLs. Simply superb
My best regards for author & admnistartor for publishing this.

Viswanath

6. deff

Great work! thank you

7. empottasch

thanks for the kind remarks and vargasc1 for taking the initiative. Will soon post another interesting indicator.

8. pikachuchary

pk = H>Ref(HHV,-1) AND Ref(HHV,nbar)<=H;

what does this calculate?

tr=L<Ref(LLV,-1) AND Ref(LLV,nbar)>=L;

what does this calculate?
what does pk,tr calculate ?
whats fc?tell in detail pls.

9. siivaramm

sir error 16 is coming
plz help me

10. kv_maligi

Hellow,

As nbar values changes, so are the HH,LL… are changing.

I trade on hourly chart, what is correct/optimum value of Nbar setting.

Thanks

11. pikachuchary

Thanx i know what is said..i want to know in detail..i want to make sure what i think is right.
if high-greater then HHV for nbars referencing previous HHV then take high as HH and if High greater then or equal to HHV reffering “n” bar and viceversa.
is it so?
why do u have to take fractals as 1,2,3.what if we take only one fractal?

12. maheshbanyan

error shown 16.. kindly help me or publish right code

13. ranjitnair

Only two words I will use for this author extraordinary & Superb coding has excellent timing. May God bless him and you too vargasc1 for bringing it here at wisestocktrader.

14. kumaravel

Genius………………………………………..

15. ganee27

sir error 16 is coming
plz help me

Plz help any body plz

16. kananwisha

Excellent !!!!
Thanks the author a lot.

Best wish for you

17. npcd_27

it works absolutely great!!!! thank writer

18. reenath

plz
any one help how to trade using this

19. Kel

Pls how can I download this indicator?

20. mhjwisestocktrader

Great
thnx

21. kuomars

بسیار عالی تشکر

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