AFL Library

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Details:

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Description:

Click on any Candle in the price chart and the Title will identify the selected Candle pattern(s). The Candle definitions were gathered from various sources and accuracy is not garanteed. Add your own patterns to the CandlePattern function.

Formula:

_SECTION_BEGIN("Candle Identification");
Plot(C,"",1,64);
O1 = Ref(O,-1);O2 = Ref(O,-2);
H1 = Ref(H,-1);H2 = Ref(H,-2);
L1 = Ref(L,-1);L2 = Ref(L,-2);
C1 = Ref(C,-1);C2 = Ref(C,-2);
function CandlePattern(P)
   {
   global PatternName;
   if(P == 0) { PatternName = "NearDoji"; Pv = (abs(O-C)<= ((H-L)*0.1)); }
   else if(P == 1) { PatternName = "BlackCandle"; Pv = (O>C); }
   else if(P == 2) { PatternName = "LongBlackCandle"; Pv = (O>C AND
(O-C)/(.001+H-L)>.6); }
   else if(P == 3) { PatternName = "SmallBlackCandle"; Pv = ((O>C) AND
((H-L)>(3*(O-C)))); }
   else if(P == 4) { PatternName = "WhiteCandle"; Pv = (C>O); }
   else if(P == 5) { PatternName = "LongWhiteCandle"; Pv = ((C>O) AND
((C-O)/(.001+H-L)>.6)); }
   else if(P == 6) { PatternName = "SmallWhiteCandle"; Pv = ((C>O) AND
((H-L)>(3*(C-O)))); }
   else if(P == 7) { PatternName = "BlackMaubozu"; Pv = (O>C AND H==O AND
C==L); }
   else if(P == 8) { PatternName = "WhiteMaubozu"; Pv = (C>O AND H==C AND
O==L); }
   else if(P == 9) { PatternName = "BlackClosingMarubozu"; Pv = (O>C AND
C==L); }
   else if(P == 10) { PatternName = "WhiteClosingMarubozu"; Pv = (C>O AND
C==H); }
   else if(P == 11) { PatternName = "BlackOpeningMarubozu"; Pv = (O>C AND
O==H); }
   else if(P == 12) { PatternName = "WhiteOpeningMarubozu"; Pv = (C>O AND
O==L); }
   else if(P == 13) { PatternName = "HangingMan"; Pv = (((H-L)>4*(O-C)) AND
((C-L)/(.001+H-L)>= 0.75) AND ((O-L)/(.001+H-L)>= 0.75)); }
   else if(P == 14) { PatternName = "Hammer"; Pv = (((H-L)>3*(O-C)) AND
((C-L)/(.001+H-L)>0.6) AND ((O-L)/(.001+H-L)>0.6)); }
   else if(P == 15) { PatternName = "InvertedHammer"; Pv = (((H-L)>3*(O-C))
AND ((H-C)/(.001+H-L)>0.6) AND ((H-O)/(.001+H-L)>0.6)); }
   else if(P == 16) { PatternName = "ShootingStar"; Pv = (((H-L)>4*(O-C))
AND ((H-C)/(.001+H-L)>= 0.75) AND ((H-O)/(.001+H-L)>= 0.75)); }
   else if(P == 17) { PatternName = "BlackSpinningTop"; Pv = ((O>C) AND
((H-L)>(3*(O-C))) AND (((H-O)/(.001+H-L))<.4) AND
(((C-L)/(.001+H-L))<.4)); }
   else if(P == 18) { PatternName = "WhiteSpinningTop"; Pv = ((C>O) AND
((H-L)>(3*(C-O))) AND (((H-C)/(.001+H-L))<.4) AND
(((O-L)/(.001+H-L))<.4)); }
   else if(P == 19) { PatternName = "BearishAbandonedBaby"; Pv = ((C1 == O1)
AND (C2>O2) AND (O>C) AND (L1>H2) AND (L1>H)); }
   else if(P == 20) { PatternName = "BearishEveningDojiStar"; Pv = ((C2>O2)
AND ((C2-O2)/(.001+H2-L2)>.6) AND (C2<O1) AND (C1>O1) AND
((H1-L1)>(3*(C1-O1))) AND (O>C) AND (O<O1)); }
   else if(P == 21) { PatternName = "DarkCloudCover"; Pv = (C1>O1 AND
((C1+O1)/2)>C AND O>C AND O>C1 AND C>O1 AND (O-C)/(.001+(H-L)>0.6)); }
   else if(P == 22) { PatternName = "BearishEngulfing"; Pv = ((C1>O1) AND
(O>C) AND (O>= C1) AND (O1>= C) AND ((O-C)>(C1-O1))); }
   else if(P == 23) { PatternName = "ThreeOutsideDownPattern"; Pv = ((C2>O2)
AND (O1>C1) AND (O1>= C2) AND (O2>= C1) AND ((O1-C1)>(C2-O2)) AND (O>C) AND
(C<C1)); }
   else if(P == 24) { PatternName = "BullishAbandonedBaby"; Pv = ((C1 == O1)
AND (O2>C2) AND (C>O) AND (L2>H1) AND (L>H1)); }
   else if(P == 25) { PatternName = "BullishMorningDojiStar"; Pv = ((O2>C2)
AND ((O2-C2)/(.001+H2-L2)>.6) AND (C2>O1) AND (O1>C1) AND
((H1-L1)>(3*(C1-O1))) AND (C>O) AND (O>O1)); }
   else if(P == 26) { PatternName = "BullishEngulfing"; Pv = ((O1>C1) AND
(C>O) AND (C>= O1) AND (C1>= O) AND ((C-O)>(O1-C1))); }
   else if(P == 27) { PatternName = "ThreeOutsideUpPattern"; Pv = ((O2>C2)
AND (C1>O1) AND (C1>= O2) AND (C2>= O1) AND ((C1-O1)>(O2-C2)) AND (C>O) AND
(C>C1)); }
   else if(P == 28) { PatternName = "BullishHarami"; Pv = ((O1>C1) AND (C>O)
AND (C<= O1) AND (C1<= O) AND ((C-O)<(O1-C1))); }
   else if(P == 29) { PatternName = "ThreeInsideUpPattern"; Pv = ((O2>C2)
AND (C1>O1) AND (C1<= O2) AND (C2<= O1) AND ((C1-O1)<(O2-C2)) AND (C>O) AND
(C>C1) AND (O>O1)); }
   else if(P == 30) { PatternName = "PiercingLine"; Pv = ((C1<O1) AND
(((O1+C1)/2)<C) AND (O<C) AND (O<C1) AND (C<O1) AND
((C-O)/(.001+(H-L))>0.6)); }
   else if(P == 31) { PatternName = "BearishHarami"; Pv = ((C1>O1) AND (O>C)
AND (O<= C1) AND (O1<= C) AND ((O-C)<(C1-O1))); }
   else if(P == 32) { PatternName = "ThreeInsideDownPattern"; Pv = ((C2>O2)
AND (O1>C1) AND (O1<= C2) AND (O2<= C1) AND ((O1-C1)<(C2-O2)) AND (O>C) AND
(C<C1) AND (O<O1)); }
   else if(P == 33) { PatternName = "ThreeWhiteSoldiers"; Pv = (C>O*1.01)
AND (C1>O1*1.01) AND (C2>O2*1.01) AND (C>C1) AND (C1>C2) AND (O<C1) AND
(O>O1) AND (O1<C2) AND (O1>O2) AND (((H-C)/(H-L))<.2) AND
(((H1-C1)/(H1-L1))<.2) AND (((H2-C2)/(H2-L2))<.2); }
   else if(P == 34) { PatternName = "DarkCloudCover"; Pv = (C1>O1*1.01) AND
(O>C) AND (O>H1) AND (C>O1) AND (((C1+O1)/2)>C) AND (C>O1) AND
(MA(C,13)-Ref(MA(C,13),-4)>0); }
   else if(P == 35) { PatternName = "ThreeBlackCrows"; Pv = (O>C*1.01) AND
(O1>C1*1.01) AND (O2>C2*1.01) AND (C<C1) AND (C1<C2) AND (O>C1) AND (O<O1)
AND (O1>C2) AND (O1<O2) AND (((C-L)/(H-L))<.2) AND (((C1-L1)/(H1-L1))<.2)
AND (((C2-L2)/(H2-L2))<.2); }
   else if(P == 36) { PatternName = "doji"; Pv = (O == C); }
   else if(P == 37) { PatternName = "GapUp"; Pv = GapUp(); }
   else if(P == 38) { PatternName = "GapDown"; Pv = GapDown(); }
   else if(P == 39) { PatternName = "BigGapUp"; Pv = L>1.01*H1; }
   else if(P == 40) { PatternName = "BigGapDown"; Pv = H<0.99*L1; }
   else if(P == 41) { PatternName = "HugeGapUp"; Pv = L>1.02*H1; }
   else if(P == 42) { PatternName = "HugeGapDown"; Pv = H<0.98*L1; }
   else if(P == 43) { PatternName = "DoubleGapUp"; Pv = GapUp() AND
Ref(GapUp(),-1); }
   else if(P == 44) { PatternName = "DoubleGapDown"; Pv = GapDown() AND
Ref(GapDown(),-1); }
   return Pv;
   }

PatternNameList = "";
for(Cp=0; Cp<=44; Cp++)
	{
	VarSet("Pattern"+NumToStr(Cp,1.0),CandlePattern(cP));
	PatternNameList = PatternNameList +PatternName+","; 
	}

BI = BarIndex();
SelectedBar = SelectedValue(BI) -BI[0];
//Selectedbar = Status("lastvisiblebar")-1;
PStr="";
for(Cp=0; Cp<=44; Cp++)
	{
	Temp = VarGet("Pattern"+NumToStr(Cp,1.0));
	if(temp[SelectedBar]) Pstr=Pstr+"#"+NumToStr(Cp,1.0)+" -
"+StrExtract(PatternNameList,Cp)+"\n";
	}

Title = "\nCandle Demostration \n"+ Pstr;
_SECTION_END();

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