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Multiple Trend Line for Amibroker (AFL)

Rating:
2 / 5 (Votes 3)
Tags:
trendline, amibroker, fibonacci

Multiple trend lines to decide trend and fib levels confirm that lines targets

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Indicator / Formula

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function IIR2( input, f0, f1, f2 )
{
  result[ 0 ] = input[ 0 ];
  result[ 1 ] = input[ 1 ]; 

  for( i = 2; i < BarCount; i++ )
  {
    result[ i ] = f0 * input[ i ] + 
    f1 * result[ i - 1 ] + 
    f2 * result[ i - 2 ]; 
  }

  return result;
}

Plot( Close, "Price", colorBlack, styleCandle );
Plot( IIR2( Close, 0.2, 1.4, -0.6 ), "function example", colorRed ); 




_SECTION_BEGIN("Bollinger Bands");
P = ParamField("Price field",-1);
Periods = Param("Periods", 15, 2, 100, 1 );
Width = Param("Width", 2, 0, 10, 0.05 );
Color = ParamColor("Color", colorPaleBlue );
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();

per1=Param("#1 S/R %", .25,.05,5,.05);
LB1=Param("#1 Lookback Period",2,2,30,1);
per2=Param("#2 S/R %", .5 ,.05,5,.05);
LB2=Param("#2 Lookback Period",2,2,30,1);
per3=Param("#3 S/R %", 2,.05,5,.05);
LB3=Param("#3 Lookback Period",2,2,30,1);
color=ParamColor("S/R Color",colorCustom11);
colorPP=ParamColor("PP Color",colorCustom12);
////////////////////////////////////////////////////////////////////////
////Pivot and Support Resistance Lines     /////////////////////////////
////Plots a daily and hourly Pivot Point on 1min, 5min, etc... charts //
//////// Also, 3 adjustable S/R lines///////////////////////////////////
////////////////////////////////////////

/////////////////////////////PIVOT POINT////////////////////////////////
TimeFrameSet(inDaily);
AVGd = Ref((L + H + C),-1)/3;
"        PPd:\t "+ AVGd;
TimeFrameRestore();
Plot( TimeFrameExpand(AVGd,inDaily,expandFirst),"",colorPP,styleStaircase);

TimeFrameSet(inHourly);
AVGh = Ref((L + H + C),-1)/3;
"        PPh:\t "+ Avgh;
TimeFrameRestore();
Plot( TimeFrameExpand(AVGh,inHourly,expandFirst),"",colorPP,styleStaircase);

//////////////////////////S?R LINES 1/////////////////////////////////////
procedure SRlines(per,Lb)
{
ys0=LastValue(Trough(L,per,Lb)); 
ys1=LastValue(Trough(L,per,Lb-1)); 
xs0=BarCount - 1 - LastValue(TroughBars(L,per,Lb)); 
xs1=BarCount - 1 - LastValue(TroughBars(L,per,Lb-1)); 
yr0=LastValue(Peak(H,per,Lb)); 
yr1=LastValue(Peak(H,per,Lb-1)); 
xr0=BarCount - 1 - LastValue(PeakBars(H,per,Lb)); 
xr1=BarCount - 1 - LastValue(PeakBars(H,per,Lb-1)); 
sl = LineArray( xs0, ys0, xs1, ys1,1 ); 
rL = LineArray( xr0, yr0, xr1, yr1,1 );
Plot( sl, "S line", color,1 ); 
Plot( rl, "R line", color,1  );
}
//////////////////////////S?R LINES 2/////////////////////////////////////
 
SRlines(per1,Lb1);
SRlines(per2,Lb2);
SRlines(per3,Lb3);







farback=Param("How Far back to go",100,50,5000,10);
nBars = Param("Number of bars", 12, 5, 40);

// -- Title.

Title = Name() + " (" + StrLeft(FullName(), 15) + ") O: " + Open + ", 

H: " + High + ", L: " + Low + ", C: " + Close;

// -- Plot basic candle chart

PlotOHLC(Open, High, Low, Close, 

"BIdx = " + BarIndex() + 

"\n" + "O = " + O + "\n"+"H = "+ H + "\n"+"L = " + L 

+ "\n"+"C ",

colorWhite, styleCandle); 

GraphXSpace=7;

// -- Create 0-initialized arrays the size of barcount

aHPivs = H - H;

aLPivs = L - L;

// -- More for future use, not necessary for basic plotting

aHPivHighs = H - H;

aLPivLows = L - L;

aHPivIdxs = H - H;

aLPivIdxs = L - L;

nHPivs = 0;

nLPivs = 0;

lastHPIdx = 0;

lastLPIdx = 0;

lastHPH = 0;

lastLPL = 0;

curPivBarIdx = 0;

// -- looking back from the current bar, how many bars 

// back were the hhv and llv values of the previous 

// n bars, etc.?

aHHVBars = HHVBars(H, nBars);

aLLVBars = LLVBars(L, nBars);

aHHV = HHV(H, nBars);

aLLV = LLV(L, nBars);

// -- Would like to set this up so pivots are calculated back from

// last visible bar to make it easy to "go back" and see the pivots

// this code would find. However, the first instance of 

// _Trace output will show a value of 0

aVisBars = Status("barvisible");

nLastVisBar = LastValue(Highest(IIf(aVisBars, BarIndex(), 0)));

_TRACE("Last visible bar: " + nLastVisBar);

// -- Initialize value of curTrend

curBar = (BarCount-1);

curTrend = "";

if (aLLVBars[curBar] < 

aHHVBars[curBar]) {

curTrend = "D";

}

else {

curTrend = "U";

}

// -- Loop through bars. Search for 

// entirely array-based approach

// in future version

for (i=0; i<farback; i++) {

curBar = (BarCount - 1) - i;

// -- Have we identified a pivot? If trend is down...

if (aLLVBars[curBar] < aHHVBars[curBar]) {

// ... and had been up, this is a trend change

if (curTrend == "U") {

curTrend = "D";

// -- Capture pivot information

curPivBarIdx = curBar - aLLVBars[curBar];

aLPivs[curPivBarIdx] = 1;

aLPivLows[nLPivs] = L[curPivBarIdx];

aLPivIdxs[nLPivs] = curPivBarIdx;

nLPivs++;

}

// -- or current trend is up

} else {

if (curTrend == "D") {

curTrend = "U";

curPivBarIdx = curBar - aHHVBars[curBar];

aHPivs[curPivBarIdx] = 1;

aHPivHighs[nHPivs] = H[curPivBarIdx];

aHPivIdxs[nHPivs] = curPivBarIdx;

nHPivs++;

}

// -- If curTrend is up...else...

} 

// -- loop through bars

} 

// -- Basic attempt to add a pivot this logic may have missed

// -- OK, now I want to look at last two pivots. If the most 

// recent low pivot is after the last high, I could

// still have a high pivot that I didn't catch

// -- Start at last bar

curBar = (BarCount-1);

candIdx = 0;

candPrc = 0;

lastLPIdx = aLPivIdxs[0];

lastLPL = aLPivLows[0];

lastHPIdx = aHPivIdxs[0];

lastHPH = aHPivHighs[0];

if (lastLPIdx > lastHPIdx) {

// -- Bar and price info for candidate pivot

candIdx = curBar - aHHVBars[curBar];

candPrc = aHHV[curBar]; 

if (

lastHPH < candPrc AND

candIdx > lastLPIdx AND

candIdx < curBar) {


// -- OK, we'll add this as a pivot...

aHPivs[candIdx] = 1;

// ...and then rearrange elements in the 

// pivot information arrays

for (j=0; j<nHPivs; j++) {

aHPivHighs[nHPivs-j] = aHPivHighs[nHPivs-

(j+1)];

aHPivIdxs[nHPivs-j] = aHPivIdxs[nHPivs-(j+1)];

}

aHPivHighs[0] = candPrc ;

aHPivIdxs[0] = candIdx;

nHPivs++;

} 

} else {


// -- Bar and price info for candidate pivot

candIdx = curBar - aLLVBars[curBar];

candPrc = aLLV[curBar]; 

if (

lastLPL > candPrc AND

candIdx > lastHPIdx AND

candIdx < curBar) {


// -- OK, we'll add this as a pivot...

aLPivs[candIdx] = 1;

// ...and then rearrange elements in the 

// pivot information arrays

for (j=0; j<nLPivs; j++) {

aLPivLows[nLPivs-j] = aLPivLows[nLPivs-(j+1)];

aLPivIdxs[nLPivs-j] = aLPivIdxs[nLPivs-(j+1)];

}

aLPivLows[0] = candPrc;

aLPivIdxs[0] = candIdx;

nLPivs++;

}

}

// -- Dump inventory of high pivots for debugging

/*

for (k=0; k<nHPivs; k++) {

_TRACE("High pivot no. " + k

+ " at barindex: " + aHPivIdxs[k] + ", " 

+ WriteVal(ValueWhen(BarIndex()==aHPivIdxs[k], 

DateTime(), 1), formatDateTime)

+ ", " + aHPivHighs[k]);

}

*/

// -- OK, let's plot the pivots using arrows

PlotShapes(

IIf(aHPivs==1, shapeDownArrow, shapeNone), colorRed, 0,

High, Offset=-15);

PlotShapes(

IIf(aLPivs==1, shapeUpArrow , shapeNone), colorBrightGreen, 0, 

Low, Offset=-15);
 







_SECTION_BEGIN("Fib Retracements");
	fibs = ParamToggle("Plot Fibs","Off|On",1);
	pctH = Param ("Pivot Hi %", 0.325,0.001,2.0,0.002);
	HiLB = Param ("Hi LookBack",1,1,BarCount-1,1);
	pctL = Param ("Pivot Lo %", 0.325,0.001,2.0,0.002);
	LoLB = Param ("Lo LookBack",1,1,BarCount-1,1);
	Back = Param ("Extend Left = 2",1,1,500,1);
	Fwd  = Param("Plot Forward", 0, 0, 500, 1);
	text = ParamToggle("Plot Text","Off|On",1);
	hts  = Param ("Text Shift", -60,-50,50,0.10);
	style =ParamStyle("Line Style",styleLine,styleNoLabel);
x = BarIndex();
pRp  = PeakBars( H, pctH, 1) == 0;
yRp0 = SelectedValue(ValueWhen( pRp, H, HiLB));
xRp0 = SelectedValue(ValueWhen( pRp, x, HiLB));
pSp  = TroughBars( L, pctL, 1) == 0;
ySp0 = SelectedValue(ValueWhen( pSp, L, LoLB));
xSp0 = SelectedValue(ValueWhen( pSp, x, LoLB));
Delta = yRp0 - ySp0;

function fib(ret)
{
retval = (Delta * ret);
Fibval = IIf(ret < 1.0 
AND xSp0 < xRp0, yRp0 - retval, IIf(ret < 1.0 
AND xSp0 > xRp0, ySp0 + retval,IIf(ret > 1.0 
AND xSp0 < xRp0, yRp0 - retval, IIf(ret > 1.0 
AND xSp0 > xRp0, ySp0 + retval, Null)))); 
return FibVal;
}

x0 = Min(xSp0,xRp0)-Back;
x1 = (BarCount -1);
//////////////////////////////////////////////////////////////////
r236 = fib(0.236);	r236I = LastValue (r236,1);
r382 = fib(0.382);	r382I = LastValue (r382,1);
r050 = fib(0.50);		r050I = LastValue (r050,1);
r618 = fib(0.618);	r618I = LastValue (r618,1);
r786 = fib(0.786);	r786I = LastValue (r786,1);
e127 = fib(1.27);		e127I = LastValue (e127,1);
e162 = fib(1.62);		e162I = LastValue (e162,1);
e200 = fib(2.00);		e200I = LastValue (e200,1);
e262 = fib(2.62);		e262I = LastValue (e262,1);
e424 = fib(4.24);		e424I = LastValue (e424,1);
//////////////////////////////////////////////////////////////////
p00 = IIf(xSp0 > xRp0,ySp0,yRp0); 	p00I = LastValue (p00,1);
p100 = IIf(xSp0 < xRp0,ySp0,yRp0); 	p100I = LastValue (p100,1);
color00 =IIf(xSp0 > xRp0,colorLime,colorRed);
color100 =IIf(xSp0 < xRp0,colorLime,colorRed);
//////////////////////////////////////////////////////////////////
numbars = LastValue(Cum(Status("barvisible")));
fraction= IIf(StrRight(Name(),3) == "", 3.2, 3.2);
//////////////////////////////////////////////////////////////////
if(fibs==1)
{
Plot(LineArray(xRp0-Fwd,yRp0,x1,yRp0,Back),"PR",32,8|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(xSp0-Fwd,ySp0,x1,ySp0,Back),"PS",27,8|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,r236,x1,r236,Back),"",45,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,r382,x1,r382,Back),"",44,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,r050,x1,r050,Back),"",41,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,r618,x1,r618,Back),"",43,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,r786,x1,r786,Back),"",42,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,e127,x1,e127,Back),"e127",47,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,e162,x1,e162,Back),"e162",47,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,e200,x1,e200,Back),"p200",47,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,e262,x1,e262,Back),"p262",47,style|styleNoRescale,Null, Null,Fwd);
Plot(LineArray(x0-Fwd,e424,x1,e424,Back),"p424",25,style|styleNoRescale,Null, Null,Fwd);
}
//////////////////////////////////////////////////////////////////
if(text==1)
{ 
PlotText(" 0% = " + WriteVal(p00,fraction), 	LastValue(BarIndex())-(numbars/hts), p00I  + 0.05, color00);
PlotText("23% = " + WriteVal(r236,fraction), LastValue(BarIndex())-(numbars/hts), r236I + 0.05, 45);
PlotText("38% = " + WriteVal(r382,fraction), LastValue(BarIndex())-(numbars/hts), r382I + 0.05, 44);
PlotText("50% = " + WriteVal(r050,fraction), LastValue(BarIndex())-(numbars/hts), r050I + 0.05, 41);
PlotText("62% = " + WriteVal(r618,fraction), LastValue(BarIndex())-(numbars/hts), r618I + 0.05, 43);
PlotText("78% = " + WriteVal(r786,fraction), LastValue(BarIndex())-(numbars/hts), r786I + 0.05, 42);
PlotText("100% = " + WriteVal(p100,fraction), LastValue(BarIndex())-(numbars/hts),p100I + 0.05, color100);
PlotText("127% = " + WriteVal(e127,fraction), LastValue(BarIndex())-(numbars/hts),e127I + 0.05, 47);
PlotText("162% = " + WriteVal(e162,fraction), LastValue(BarIndex())-(numbars/hts),e162I + 0.05, 47);
PlotText("200% = " + WriteVal(e200,fraction), LastValue(BarIndex())-(numbars/hts),e200I + 0.05, 47);
PlotText("262% = " + WriteVal(e262,fraction), LastValue(BarIndex())-(numbars/hts),e262I + 0.05, 47);
PlotText("424% = " + WriteVal(e424,fraction), LastValue(BarIndex())-(numbars/hts),e424I + 0.05, 25);
}
_SECTION_END();
//////////////////////////////////////////////////////////////////
if (tchoice=1 ) 
{
_N(Title = EncodeColor(colorWhite)+StrFormat(" {{NAME}} -   {{INTERVAL}}      {{DATE}}    Open:  %g,    High:  %g,     Low:  %g,     Close:  %g     {{VALUES}}",O, H, L, C, SelectedValue( ROC( C, 1   ) ) ));
}
//////////////////////////////////////////////////////////////////
if (tchoice==2 ) 
{
Title = EncodeColor(colorWhite)+  Date() + "   Tick = " + EncodeColor(5) + Interval()+
EncodeColor(colorWhite) + "     Open = " + EncodeColor(colorWhite) + O + 
EncodeColor(colorWhite) + "     High = " + EncodeColor(5) + H +
EncodeColor(colorWhite) + "      Low = " + EncodeColor(colorRed) + L + 
EncodeColor(colorWhite) + "     Close = " + EncodeColor(colorWhite) + C + "\n" +
EncodeColor( colorWhite) +"_______________"+"\n"+
EncodeColor( colorWhite)  + "424%   =  "	+ 	EncodeColor(25)+ e424 + " " +"\n"+
EncodeColor( colorWhite)  + "262%   =  "	+ 	EncodeColor(47)+ e262 + " " +"\n"+
EncodeColor( colorWhite)  + "200%   =  "	+ 	EncodeColor(47)+ e200 + " " +"\n"+
EncodeColor( colorWhite)  + "162%   =  "	+ 	EncodeColor(47)+ e162 + " " +"\n"+
EncodeColor( colorWhite)  + "127%   =  "	+ 	EncodeColor(47)+ e127 + " " +"\n"+
EncodeColor( colorYellow) + "  Res    =  "	+ 	EncodeColor(32)+ p100 + " " +"\n"+
EncodeColor( colorWhite)  + "  78%   =  "	+	EncodeColor(42)+ r786 + " " +"\n"+
EncodeColor( colorWhite)  + "  62%   =  "	+ 	EncodeColor(43)+ r618 + " " +"\n"+
EncodeColor( colorWhite)  + "  50%   =  "	+ 	EncodeColor(41)+ r050 + " " +"\n"+
EncodeColor( colorWhite)  + "  38%   =  "	+ 	EncodeColor(44)+ r382 + " " +"\n"+
EncodeColor( colorWhite)  + "  23%   =  "	+ 	EncodeColor(45)+ r236+ " " +"\n"+
EncodeColor( colorYellow) + "  Sup   =   "	+ 	EncodeColor(34)+ p00 + " " ;
}
GraphXSpace=5;



_SECTION_BEGIN("Background");
	SetChartOptions(0,chartShowArrows|chartShowDates);
	SetChartBkColor(ParamColor("Outer panel",colorBlack)); // color of outer border 
	SetChartBkGradientFill( ParamColor("Inner panel upper",colorBlack),ParamColor("Inner panel lower",colorBlack));
	tchoice=Param("Title Selection ",2,1,2,1);

7 comments

1. anandnst

This is working only in Daily chart (Amibroker 5.5)

2. solo_vijay

Hi,

I wanted to backtest this AFL with Bar replay. It’s sad to observe that this AFL repaints alot. I don’t think this AFL will help make money.

Best,
Solo

3. szgolyas

error in if (tchoice=1 )

4. shm

hi

error in:

if (tchoice=1 )

5. ecredic

Erro lines 514 and 519 = if(tchoice=1)

correct if(tchoice ==1), but tchoice not initialized.

6. mae_choi

how to make explorer or scanner on trendline breaks?

7. mhjwisestocktrader

you have showed pivots as buy/sell signals??? am I write?

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