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SUPPORT & RESISTANCE for Amibroker (AFL)

Rating:
3 / 5 (Votes 7)
Tags:
amibroker, support, resistance

Detects supports and resistances

Screenshots

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Indicator / Formula

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_SECTION_BEGIN("Name");
GfxSetOverlayMode(1);
GfxSelectFont("Tahoma", Status("pxheight")/8 );
GfxSetTextAlign( 6 );// center alignment
GfxSetTextColor( ColorHSB( 42, 42, 42 ) );
GfxSetBkMode(0); // transparent
GfxTextOut( Name(), Status("pxwidth")/2, Status("pxheight")/12 );
GfxSelectFont("Tahoma", Status("pxheight")/18 );
GfxTextOut( IndustryID(1), Status("pxwidth")/2, Status("pxheight")/4 );

GfxSelectFont("Tahoma", Status("pxheight")/18 );
GfxSelectFont("Tahoma", Status("pxheight")/36 );
GfxTextOut( "PRASAD RAO", Status("pxwidth")/2, Status("pxheight")/3 );
_SECTION_END();

SetBarFillColor( IIf(O>C,colorDarkRed, colorBrightGreen ) ); 
Plot( C, "Price", IIf( O>C,colorRed, colorGreen ), styleCandle );

HaClose =EMA((O+H+L+C)/4,3);
HaOpen = AMA( Ref( HaClose, -1 ), 0.5 ); 
HaHigh = Max( H, Max( HaClose, HaOpen ) ); 
HaLow = Min( L, Min( HaClose, HaOpen ) ); 

_SECTION_BEGIN("Resistance");

supres=ParamToggle("Sup_Res","No|Yes",1);
if(supres)
{


Prd1=Param("Res_Period1",2,0,200,1);
                   
test   = TEMA  ( High , Prd1 ) ;   

PK = test > Ref(test,-1) AND Ref(test,1) < High;//Peak
PKV0 = ValueWhen(PK,haHigh,0);//PeakValue0
PKV1 = ValueWhen(PK,haHigh,1);//PeakValue1
PKV2 = ValueWhen(PK,haHigh,2);//PeakValue2

MPK = PKV2 < PKV1 AND PKV1 > PKV0 ;//MajorPeak

MPKV = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, PKV1,1); //MajorPeakValue
MPKD = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, DateNum(),1); //MajorPeakDate
SD = IIf(DateNum() < LastValue(MPKD,lastmode = True ), Null, LastValue(MPKV,Lastmode = True));//SelectedDate
Plot(SD, "Resist1",  colorBrown,ParamStyle("ResStyle1",styleLine|styleNoTitle,maskAll));

MPKV2 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, PKV1,2); //MajorPeakValue
MPKD2 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, DateNum(),2); //MajorPeakDate
SD2 = IIf(DateNum() < LastValue(MPKD2,lastmode = True ), Null, LastValue(MPKV2,Lastmode = True));//SelectedDate
Plot(SD2, "Resist2",  colorBrown,ParamStyle("ResStyle2",styleLine|styleNoTitle,maskAll));


MPKV3 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, PKV1,3); //MajorPeakValue
MPKD3 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, DateNum(),3); //MajorPeakDate
SD3 = IIf(DateNum() < LastValue(MPKD3,lastmode = True ), Null, LastValue(MPKV3,Lastmode = True));//SelectedDate
Plot(SD3, "Resist3", colorBrown,ParamStyle("ResStyle3",styleLine|styleNoTitle,maskAll));


MPKV4 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, PKV1,4); //MajorPeakValue
MPKD4 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, DateNum(),4); //MajorPeakDate
SD4 = IIf(DateNum() < LastValue(MPKD4,lastmode = True ), Null, LastValue(MPKV4,Lastmode = True));//SelectedDate
Plot(SD4, "Resist4",  colorBrown,ParamStyle("ResStyle4",styleLine|styleNoTitle,maskAll));



MPKV5 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, PKV1,5); //MajorPeakValue
MPKD5 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, DateNum(),5); //MajorPeakDate
SD5 = IIf(DateNum() < LastValue(MPKD5,lastmode = True ), Null, LastValue(MPKV5,Lastmode = True));//SelectedDate
Plot(SD5, "Resist5",  colorBrown,ParamStyle("ResStyle5",styleLine|styleNoTitle,maskAll));


MPKV6 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, PKV1,6); //MajorPeakValue
MPKD6 = ValueWhen(Ref(MPK,-1) == 0 AND MPK == 1, DateNum(),6); //MajorPeakDate
SD6 = IIf(DateNum() < LastValue(MPKD6,lastmode = True ), Null, LastValue(MPKV6,Lastmode = True));//SelectedDate
Plot(SD6, "Resist6", colorBrown ,ParamStyle("ResStyle6",styleLine|styleNoTitle,maskAll));




_SECTION_END();


_SECTION_BEGIN("Support");
//SP=L > Ref(L,-1) AND Ref(L,1) < L;//Peak

Prd2=Param("Sup_Period1",2,0,200,1);
                   
test2   = TEMA ( Low , Prd2 ) ;   

SP = Ref(test2,1) > Low AND test2 < Ref(test2,-1);//Peak
SPV0 = ValueWhen(SP,haLow,0);//PeakValue0
SPV1 = ValueWhen(SP,haLow,1);//PeakValue1
SPV2 = ValueWhen(SP,haLow,2);//PeakValue2

//PKV5 = ValueWhen(PK,haHigh,5);//PeakValue5
//PKV6 = ValueWhen(PK,haHigh,6);//PeakValue6

MSP = SPV2 > SPV1 AND SPV1 < SPV0 ;//MajorPeak

MSPV = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, SPV1,1);
MSPD = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, DateNum(),1);
SD = IIf(DateNum() < LastValue(MSPD,lastmode = True ), Null, LastValue(MSPV,Lastmode = True));
Plot(SD,"Support1",  colorPlum,ParamStyle("SupportLine1",styleLine|styleNoTitle,maskAll));



MSPV2 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, SPV1,2);
MSPD2 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, DateNum(),2);
SD2 = IIf(DateNum() < LastValue(MSPD2,lastmode = True ), Null, LastValue(MSPV2,Lastmode = True));
Plot(SD2,"Support2",  colorPlum,ParamStyle("SupportLine2",styleLine|styleNoTitle,maskAll));



MSPV3 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, SPV1,3);
MSPD3 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, DateNum(),3);
SD3 = IIf(DateNum() < LastValue(MSPD3,lastmode = True ), Null, LastValue(MSPV3,Lastmode = True));
Plot(SD3,"Support3",  colorPlum,ParamStyle("SupportLine3",styleLine|styleNoTitle,maskAll));


MSPV4 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, SPV1,4);
MSPD4 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, DateNum(),4);
SD4 = IIf(DateNum() < LastValue(MSPD4,lastmode = True ), Null, LastValue(MSPV4,Lastmode = True));
Plot(SD4,"Support4",  colorPlum,ParamStyle("SupportLine4",styleLine|styleNoTitle,maskAll));


MSPV5 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, SPV1,5);
MSPD5 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, DateNum(),5);
SD5 = IIf(DateNum() < LastValue(MSPD5,lastmode = True ), Null, LastValue(MSPV5,Lastmode = True));
Plot(SD5,"Support5",  colorPlum,ParamStyle("SupportLine5",styleLine|styleNoTitle,maskAll));


MSPV6 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, SPV1,6);
MSPD6 = ValueWhen(Ref(MSP,-1) == 0 AND MSP == 1, DateNum(),6);
SD6 = IIf(DateNum() < LastValue(MSPD6,lastmode = True ), Null, LastValue(MSPV6,Lastmode = True));
Plot(SD6,"Support6",  colorPlum,ParamStyle("SupportLine6",styleLine|stylehidden|styleNoTitle,maskAll));

}

_SECTION_END();

8 comments

1. vaenu999

IT SHOWN SYNTAX ERROR IN AMIBROKER 5.00

2. chynthia

The problem is same as the metacandle afl,
you can fix it by adding " = ",between words setBarFillColor and (Insidecolor);

My regards

Chynthia

3. tigernifty

dear friend, am face as the same problem,,,pls try to rectify… thx…

4. prasadbrao

I am using Amibroker 5.20 and am working on some more customised indicators on the same.

The support and resistance works well in ami 5.20.

The syntax error may be coz of some change in the programming in 5 and 5.20.

5. chynthia

Dear friends,
The Suport and Resistance afl can work well in Ami 5.00,if you
adding =,at Ln:16,Col:1 ,between words SetBarFillColor and ( IIf(O>C,colorDarkRed, colorBrightGreen ) );

These is The Results :
SetBarFillColor=( IIf(O>C,colorDarkRed, colorBrightGreen ) );

My Regards

Chynthia

6. morgen

Wonderful!
Very useful!
Thank You very much!

7. albertly

PK = test > Ref(test,-1) AND Ref(test,1) < High;//Peak

SP = Ref(test2,1) > Low AND test2 < Ref(test2,-1);//Peak

Plz, show me a broker that can take such orders.

8. John_3b2

In version 5.5 and above, the rules starting from the day start, not from HH or LL.
Can anyone modify this.

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