📄 cci(20) divergence indicator.afl
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Def_Trough1 = 0;
Def_Trough2 = 0;
Def_Trough1 = Osc_Issue > Ref(Osc_Issue,-1) AND Ref(Osc_Issue,-1) < Ref(Osc_Issue,-2) AND Osc_Issue > Ref(Osc_Issue,-2);
Def_Trough2 = Osc_Issue > Ref(Osc_Issue,-1) AND Ref(Osc_Issue,-1) > Ref(Osc_Issue,-2) AND Ref(Osc_Issue,-2) < Ref(Osc_Issue,-3)
AND Osc_Issue > Ref(Osc_Issue,-3);
TurnUp_OK = Def_Trough1 OR Def_Trough2;
Sel_TurnUp_OK = IIf(TradeON==1,LastValue(TurnUp_OK),SelectedValue(TurnUp_OK));
LowBar1 = IIf(Def_Trough1==1,1,0);
LowBar2 = IIf(Def_Trough2==1,1,0);
LowBar = IIf(LowBar1==1,3,4);
LastLow = LLV(Osc_Issue,LowBar);
LastLowBars = LLVBars(Osc_issue,LowBar);
_TRACE("Bull - LB1 " + WriteVal(LowBar1,1.0) + " LB2 " + WriteVal(LowBar2,1.0) + " LB " + WriteVal(LowBar,1.0));
if (Diag_Trace==1)
{
_TRACE("DetectLastLow - LastLow " + WriteVal(LastLow,1.2) + " Def Trough1 " + WriteVal(Def_Trough1,1.0)
+ " Def Trough2 " + WriteVal(Def_Trough2,1.0) + " TUp " + WriteVal(TurnUp_OK,1.0));
_TRACE("DetectLastLow - LastLow - Osc " + WriteVal(Osc_Issue,1.2) + " Osc -1 " + WriteVal(Ref(Osc_Issue,-1),1.2)
+ " Ref Osc -2 " + WriteVal(Ref(Osc_Issue,-2)) + " Ref Osc -3 " + WriteVal(Ref(Osc_Issue,-3)));
}
_TRACE("Bear Code - end of Bear function " + WriteVal(SDiv_Code,1.0));
return Sel_TurnUp_OK;
}
function DetectBullishReversal(Osc_Issue,Middle)
{
global LDiv_Code, BT_LDiv_Code, BT_Code, Bull_Diverge;
LDiv_Code = BT_LDiv_Code = 0;
Bull_Diverge = 0;
_TRACE("Program Flow - Enter Detect Bullish Reversal - Bar Index " + WriteVal(BarIndex(),1.0) +
" Last Bar " + WriteVal(LastValue(BarIndex()),1.0));
//Determine Trough for current period
Sel_TurnUp_OK = DetectLastLow(Osc_Issue);
_TRACE("Bull Code - Bull function Start " + Name() + " TurnUp " + WriteVal(sel_TurnUp_OK,1.0)+ " Code= " + WriteVal(LDiv_Code,1.0));
if (Sel_TurnUp_OK ==1 OR Backtest==1) // or 1==1 may be needed
{
FirstBar_CurrGroup = BarsSince(Cross(Middle,Osc_Issue))+1;
CurrTrough = LLV(Osc_Issue,FirstBar_Currgroup);
CurrTroughBars = LLVBars(Osc_Issue,FirstBar_Currgroup)+0;
Sel_CurrTrough = IIf(TradeON==1,LastValue(CurrTrough),SelectedValue(CurrTrough));
//Distances computed relative to selected bar
i=0;
_TRACE("Bull Reversal 00 - start of loop ------ ");
do
{
i++;
LastBar_PriorGroup = Sel_BarIndex-ValueWhen(Cross(Osc_Issue,Middle),BarIndex(),i);
FirstBar_PriorGroup = Sel_BarIndex-ValueWhen(Cross(Middle,Osc_Issue),BarIndex(),i+1);
Sel_LastBar_PG = IIf(TradeON==1,LastValue(LastBar_PriorGroup),SelectedValue(LastBar_PriorGroup));
Sel_FirstBar_PG = IIf(TradeON==1,LastValue(FirstBar_PriorGroup),SelectedValue(FirstBar_PriorGroup));
//Find Trough using scalars - This may interfere with Backtest operation, but needed
Trough_PriorGroup = Ref(LLV(Osc_Issue,Sel_FirstBar_PG - Sel_LastBar_PG+1),-Sel_LastBar_PG+1);
TroughBars_PriorGroup = Ref(LLVBars(Osc_Issue,Sel_FirstBar_PG - Sel_LastBar_PG+1),-Sel_LastBar_PG+1);
Sel_LastBar_PriorGroup = IIf(TradeON==1,LastValue(TroughBars_PriorGroup),SelectedValue(TroughBars_PriorGroup));
Sel_TroughBars_PriorGroup = IIf(TradeON==1,LastValue(LastBar_PriorGroup),SelectedValue(LastBar_PriorGroup));
Sel_Trough_PriorGroup = IIf(TradeON==1,LastValue(Trough_PriorGroup),SelectedValue(Trough_PriorGroup));
Final_Bars = Sel_TroughBars_PriorGroup + Sel_LastBar_PriorGroup - 1;
if (Diag_Trace)
{
_TRACE("Bull Reversal - loop 01 - i= " + WriteVal(i,1.0) + " FB_PrGr " + WriteVal(FirstBar_PriorGroup,1.0)
+ " / " + WriteVal(Sel_FirstBar_PG,1.0) + " LB_PrGr " + WriteVal(LastBar_PriorGroup,1.0)
+ " / " + WriteVal(Sel_LastBar_PG,1.0));
_TRACE("Bull Reversal - loop 02 - Sel_FB_PrGr " + WriteVal(Sel_FirstBar_PG,1.0) + " Sel_LB_PrGr " + WriteVal(Sel_LastBar_PG,1.0));
_TRACE("Bull Reversal - loop 03 - Tr_PG " + WriteVal(Trough_PriorGroup,1.2) + " Tr_PGBars " + WriteVal(TroughBars_PriorGroup,1.0) + " F Bars " + WriteVal(Final_Bars,1.0));
_TRACE("Bull Reversal - loop 04 - While1= " + WriteVal((Middle - SelectedValue(Trough_PriorGroup)),1.2) + " Compare= " + WriteVal(((Middle - SelectedValue(CurrTrough)) / 3),1.2));
}
} while (((Middle - Sel_Trough_PriorGroup) < (Middle - Sel_CurrTrough) / 3) AND i<10);
PriorTrough = Trough_PriorGroup;
PriorTroughBars = Final_Bars;
//Put Divergence codes into Array
//Compute results for display
Sel_LastLow = IIf(TradeON==1,LastValue(LastLow),SelectedValue(LastLow));
Sel_CurrTrough = IIf(TradeON==1,LastValue(CurrTrough),SelectedValue(CurrTrough));
Sel_PriorTrough = IIf(TradeON==1,LastValue(PriorTrough),SelectedValue(PriorTrough));
Sel_LastLowBars = IIf(TradeON==1,LastValue(LastLowBars),SelectedValue(LastLowBars));
Sel_CurrTroughBars = IIf(TradeON==1,LastValue(CurrTroughBars),SelectedValue(CurrTroughBars));
Sel_PriorTroughBars = IIf(TradeON==1,LastValue(PriorTroughBars),SelectedValue(PriorTroughBars));
//Needed for Backtest Arrays
LR1 = CurrTrough < PriorTrough AND LastLow == CurrTrough;
LR2 = CurrTrough > PriorTrough AND LastLow == CurrTrough;
LR3 = Osc_Issue < Middle AND CurrTrough < PriorTrough AND LastLow > CurrTrough;
LR4 = Osc_Issue < Middle AND CurrTrough > PriorTrough AND LastLow > CurrTrough;
LR5 = LastLow > Middle AND LastLow > CurrTrough AND LR3==0 AND LR4==0;
//Needed for display
Sel_LR1 = IIf(TradeON==1,LastValue(LR1),SelectedValue(LR1));
Sel_LR2 = IIf(TradeON==1,LastValue(LR2),SelectedValue(LR2));
Sel_LR3 = IIf(TradeON==1,LastValue(LR3),SelectedValue(LR3));
Sel_LR4 = IIf(TradeON==1,LastValue(LR4),SelectedValue(LR4));
Sel_LR5 = IIf(TradeON==1,LastValue(LR5),SelectedValue(LR5));
//Determine Price Divergence
if (Sel_LR1==1)
{
Bull_Diverge = 0;
LDiv_Code = 11;
Diverge = "";
Pattern = "Lower Low";
}
if (Sel_LR2==1)
{
Curr_LowPrice = LLV(Low,5);
Prior_LowPrice = Ref(LLV(Low,6),-(Sel_PriorTroughBars-3));
Sel_CLowPrice = IIf(TradeON==1,LastValue(Curr_LowPrice),SelectedValue(Curr_LowPrice));
Sel_PLowPrice = IIf(TradeON==1,LastValue(Prior_LowPrice),SelectedValue(Prior_LowPrice));
Sel_Bull_Diverge = Sel_CLowPrice <= Sel_PLowPrice;
if (Sel_Bull_Diverge==1)
{
Bull_Diverge = 1;
LDiv_Code = 13;
Diverge = "Bullish";
Pattern = "Higher Low";
}
else
{
Bull_Diverge = 0;
LDiv_Code = 12;
Diverge = "";
Pattern = "Higher Low";
}
}
if (Sel_LR3==1)
{
Curr_LowPrice = LLV(Low,5);
CT_LowPrice = Ref(LLV(Low,6),-(Sel_CurrTroughBars-3));
Sel_CLowPrice = IIf(TradeON==1,LastValue(Curr_LowPrice),SelectedValue(Curr_LowPrice));
Sel_CTroughPrice = IIf(TradeON==1,LastValue(CT_LowPrice),SelectedValue(CT_LowPrice));
Sel_Bull_Diverge = Sel_CLowPrice <= Sel_CTroughPrice;
if (Sel_Bull_Diverge==1)
{
Bull_Diverge = 1;
LDiv_Code = 15;
Diverge = "Bullish";
Pattern = "Lower Low";
}
else
{
Bull_Diverge = 0;
LDiv_Code = 14;
Diverge = "";
}
}
if (Sel_LR4==1)
{
Curr_LowPrice = LLV(Low,5);
CT_LowPrice = Ref(LLV(Low,6),-(Sel_CurrTroughBars-3));
Sel_CLowPrice = IIf(TradeON==1,LastValue(Curr_LowPrice),SelectedValue(Curr_LowPrice));
Sel_CTroughPrice = IIf(TradeON==1,LastValue(CT_LowPrice),SelectedValue(CT_LowPrice));
Sel_Bull_Diverge = Sel_CLowPrice <= Sel_CTroughPrice;
if (Sel_Bull_Diverge==1)
{
Bull_Diverge = 1;
LDiv_Code = 17;
Diverge = "Bullish";
Pattern = "Higher Low";
}
else
{
Bull_Diverge = 0;
LDiv_Code = 16;
Diverge = "";
Pattern = "Higher Low";
}
}
if (Sel_LR5==1)
{
Bull_Diverge = 0;
LDiv_Code = 18;
Diverge = "";
}
BT_LDiv_Code = IIf(LR1==1,11,
IIf(LR2==1 AND Bull_Diverge==0,12,IIf(LR2==1 AND Bull_Diverge==1,13,
IIf(LR3==1 AND Bull_Diverge==0,14,IIf(LR3==1 AND Bull_Diverge==1,15,
IIf(LR4==1 AND Bull_Diverge==0,16,IIf(LR4==1 AND Bull_Diverge==1,17,
IIf(LR5==1 AND LR4==0 AND LR3==0,18,0))))))));
if (Diag_trace)
{
_TRACE("Bull Reversal #00A - BT_Div_Code " + WriteVal(BT_LDiv_Code,1.0));
_TRACE("Bull Reversal #00B - Div_Code " + WriteVal(LDiv_Code,1.0) + " -- LR1 " + WriteVal(LR1,1.0)
+ " LR2 " + WriteVal(LR2,1.0) + " LR3 " + WriteVal(LR3,1.0) + " LR4 " + WriteVal(LR4,1.0));
_TRACE("Bull Reversal #00C - LastLow " + WriteVal(Sel_LastLow,1.2) + " CurrTrough " + WriteVal(Sel_CurrTrough,1.2)
+ " PriorTrough " + WriteVal(Sel_PriorTrough,1.2) );
}
if (Backtest == 0)
{
//Assign Values to coordinates
y10=Sel_CurrTrough;
y11=Sel_LastLow;
x10=BarCount - 1 - Sel_CurrTroughBars - (LastValue(BarIndex()) - Sel_BarIndex);
x11=BarCount - 1 - Sel_LastLowBars - (LastValue(BarIndex()) - Sel_BarIndex);
Line1 = LineArray( x10,y10,x11,y11, 0 );
y20=Sel_PriorTrough;
y21=Sel_CurrTrough;
x20=BarCount - 1 - SelectedValue(Final_Bars) - (LastValue(BarIndex())- Sel_BarIndex);
x21=BarCount - 1 - Sel_CurrTroughBars - (LastValue(BarIndex())- Sel_BarIndex);
Line2 = LineArray( x20, y20, x21, y21, 0 );
//
//Find min value of oscillator in area of interest
Area_MinValue = 0;
Area_MaxValue = 0;
if (Middle==50)
{
Area_MaxValue = 100;
PlotOver2 = IIf(BarIndex() >= Sel_BarIndex - (x21-x20)-(x11-x10)-1 AND
BarIndex() <= Sel_BarIndex - (x11-x10),Area_MaxValue,0);
PlotOver1 = IIf(BarIndex() >= Sel_BarIndex - (x11-x10) -1 AND
BarIndex() <= Sel_BarIndex,Area_MaxValue,0);
if (SelectedValue(LDiv_Code)==15)
{
//Limit the blue bar for divergence to 2nd half of area for code 15
PlotDiverge = IIf(BarIndex() >= Sel_BarIndex - (x11-x10) -1
AND BarIndex() <= Sel_BarIndex AND Diverge=="Bullish",10,0);
}
if (SelectedValue(LDiv_Code)==13 OR SelectedValue(LDiv_Code)==17)
{
PlotDiverge = IIf(BarIndex() >= Sel_BarIndex - (x21-x20)-(x11-x10) -1
AND BarIndex() <= Sel_BarIndex AND Diverge=="Bullish",10,0);
}
}
else
{
Area_MinValue = Min(y10,y20);
PlotOver2 = IIf(BarIndex() >= Sel_BarIndex - (x21-x20)-(x11-x10) -1 AND
BarIndex() <= Sel_BarIndex - (x11-x10) -2,Area_MinValue,0);
PlotOver1 = IIf(BarIndex() >= Sel_BarIndex - (x11-x10) -1 AND
BarIndex() <= Sel_BarIndex,Area_MinValue,0);
}
_TRACE("Plot - Bull #00C - PlotDiverge " + WriteVal(PlotDiverge,1.0));
} // end if backtest
if (Diag_Trace==1)
{
_TRACE("Bull Reversal #0 - Backtest " + WriteVal(Backtest,1.0));
_TRACE("Bull Reversal #1 - DivCode: " + WriteVal(LDiv_Code,1.0) + " LB DivCode " + WriteVal(LDiv_Code[BarCount-1],1.0));
_TRACE("Bull Reversal #2 - Last Low " + WriteVal(LastLow,1.2));
_TRACE("Bull Reversal #3 - Area_MinValue " + WriteVal(Area_MinValue,1.2));
_TRACE("Bull Reversal #4 - CurrTrough " + WriteVal(Sel_CurrTrough,1.2) + " LastLow " + WriteVal(Sel_LastLow,1.2));
_TRACE("Bull Reversal #5 - FBar_CT " + WriteVal(SelectedValue(FirstBar_CurrGroup),1.0) + " BCurrTrough " + WriteVal(CurrTroughBars,1.0));
_TRACE("Bull Reversal #6 - CurrTrough " + WriteVal(CurrTrough,1.2) + " CTBars " + WriteVal(CurrTroughBars,1.0));
_TRACE("Bull Reversal #7 - LB_PrGroup " + WriteVal(LastBar_PriorGroup,1.0) + " FB_PrGroup " + WriteVal(FirstBar_PriorGroup,1.0));
_TRACE("Bull Reversal #8 - Tr_PrGroup " + WriteVal(Trough_PriorGroup,1.2) + " TrB_PrG " + WriteVal(TroughBars_PriorGroup,1.0));
_TRACE("Bull Reversal #9 - PrTrough " + WriteVal(PriorTrough,1.2) + " PrTrBars " + WriteVal(PriorTroughBars,1.0));
_TRACE("Bull Reversal #10 - xy1: x10=" + WriteVal(x10,1.0) + " y10=" + WriteVal(y10,1.2)
+ " x11=" + WriteVal(x11,1.0) + " y11=" + WriteVal(y11,1.2));
_TRACE("Bull Reversal #11 - xy2: x20=" + WriteVal(x20,1.0) + " y20=" + WriteVal(y20,1.2)
+ " x21=" + WriteVal(x21,1.0) + " y21=" + WriteVal(y21,1.2));
_TRACE("Bull Reversal - end =========================================== ");
} // end Diag_Trace
} // end Sel_TurnUp_OK
else
{
LDiv_Code = 10;
}
return Sel_TurnUp_OK;
} // end function BullishReversal
function PlotTrendLines(PlotOver1,PlotOver2,BullBear)
{
//Plot Trendlines
_TRACE("Plot - Enter Module ");
Line1Color = IIf(BullBear=="Bullish",colorBlack,colorBrown);
Line2Color = IIf(BullBear=="Bullish",colorGreen,colorYellow);
Area1Color = IIf(BullBear=="Bullish",colorPaleGreen,colorLightYellow);
Area2Color = IIf(BullBear=="Bullish",colorAqua,colorLightOrange);
if (Trendlines ==1 OR Trendlines ==3)
{
Plot( Line1, "Trend line", Line1Color,styleDots|styleThick|styleNoLabel);
Plot( Line2, "Trend line", Line2Color,styleDots|styleThick|styleNoLabel);
}
if (Trendlines>=2)
{
_TRACE("Plot - PlotDiverge " + WriteVal(PlotDiverge,1.0));
Plot(PlotDiverge,"",colorBlue,styleArea|styleNoLabel);
Plot(Plotover1,"",Area1color,styleArea|styleNoLabel);
Plot(Plotover2,"",Area2color,styleArea|styleNoLabel);
} // end Trendlines
_TRACE("Plot - End Module ");
} // end PlotTrendlines
// ******************************************************************************************* //
//"Div - EndTime " + Now(2);
// START OF CONTROL SECTION
// Complete loop takes 7ms when no divergence is detected and 17 ms with divergence
function DivergeControl(Osc_Issue,Middle)
{
Backtest = Status("action")==5;
//Declare Variable and set up parameters
ParameterSetup(Osc_Issue);
//Process Bearish Reversal and Continuation
RunStatus = Status("action");
StartTime = Now(4);
_TRACE("Timer Start - " + WriteVal(StartTime,1.0));
Sel_TurnDn_OK = DetectBearishReversal(Osc_Issue,Middle);
_TRACE("Timer End - " + WriteVal(Now(4),1.0) + " Diff " + WriteVal((Now(4) - StartTime),1.4));
//_TRACE("Control Section - DivCode " + WriteVal(SDiv_Code,1.0) + " LB DivCode " + WriteVal(SDiv_Code[BarCount-1],1.0));
Sel_TurnUp_OK = DetectBullishReversal(Osc_Issue,Middle);
if (Backtest == 0 AND (Sel_TurnDn_OK==1 OR Sel_TurnUp_OK==1))
{
Bull_Bear = WriteIf(Sel_TurnDn_OK==1,"Bearish",WriteIf(Sel_TurnUp_OK==1,"Bullish",""));
PlotTrendlines(PlotOver1,PlotOver2,Bull_Bear);
}
_TRACE("Control Section - end ==============================================================");
_TRACE("Control Section - end ==============================================================");
if (Status("action")==1 AND Alerts==1)
{
_TRACE("Alert section - Bull Code " + WriteVal(LDiv_Code,1.0) + " Bear Code " + WriteVal(SDiv_Code,1.0));
AlertIf(LDiv_Code==11,"Sound D:\\Amibroker\\Wav Files\\Lower Low.wav","",6,12,0 );
AlertIf((LDiv_Code==12 OR LDiv_Code==13 OR LDiv_Code==14) AND Bull_Diverge==0,"Sound D:\\Amibroker\\Wav Files\\Higher Low.wav","",5,12,0 );
AlertIf((LDiv_Code==12 OR LDiv_Code==13 OR LDiv_Code==14) AND Bull_Diverge==1,"Sound D:\\Amibroker\\Wav Files\\Bull Diverge.wav","",6,12,0 );
AlertIf(SDiv_Code==11,"Sound D:\\Amibroker\\Wav Files\\Higher High.wav","",6,12,0 );
AlertIf((SDiv_Code==12 OR SDiv_Code==13 OR SDiv_Code==14) AND Bear_Diverge==0,"Sound D:\\Amibroker\\Wav Files\\Lower High.wav","",7,12,0 );
AlertIf((SDiv_Code==12 OR SDiv_Code==13 OR SDiv_Code==14) AND Bear_Diverge==1,"Sound D:\\Amibroker\\Wav Files\\Bear Diverge.wav","",8,12,0 );
}
return Pattern + " - " + Diverge;
} // end DivergeControl
Plot(CCI(20),"CCI(20)",colorRed,styleLine);
divergeControl(Issue,Middle);⌨️ 快捷键说明
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