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MAMA Positional System


How to use MAMA Positional System Amibroker afl?

MAMA Positional System gives you very accurate signals. Top white lines indicates sell zone and bottom white lines indicates buy zone. When you get crossover near sell zone, sell the stock. When you get crossover near buy zone, buy the stock. MAMA Positional System also indicates the trend of the stocks. Use it with any lagging indicator to filter out false signals. MAMA Positional System can be used with volume indicator for additional confirmation.


MAMA Positional System
MAMA Positional System


//www.aflcode.com
_SECTION_BEGIN("Trend Lines");
p1 = Param("TL 1 Periods", 20, 5, 50, 1);
p2 = Param("TL 2 Periods", 5, 3, 25, 1);
TL1 = LinearReg(C, p1);
TL2 = EMA(TL1, p2);
Col1 = IIf(TL1 > TL2, ParamColor("TL Up Colour", colorGreen), ParamColor("TL Dn Colour", colorRed));
Plot(TL1, "TriggerLine 1", Col1, styleLine|styleThick|styleNoLabel);
Plot(TL2, "TriggerLine 2", Col1, styleLine|styleThick|styleNoLabel);
_SECTION_END();

_SECTION_BEGIN("Linear Regression Channel");
//CyberMan's Linear Regression Channel.

//Linear Regression Line with 2 Standard Deviation Channels Plotted Above and Below 
//The original was written by Patrick Hargus, with critical hints from Marcin Gorzynski, Amibroker.com Technical Support 
//Wysiwyg coded the angle in degrees part
//I modified the original Linear Regression code so that the line will change color based on the degree of the Linear Regression slope.
//I combine this with my trading system.
//When my system gives an entry signal I look at the Linear Regression Line and I will only take long positions if the Linear Regression line is green and the entry price is below the LR line.
//When my system gives an entry signal I look at the Linear Regression Line and I will only take short positions if the Linear Regression line is red and the entry price is above the LR line.
//It is usefull for filtering out lower probability trades.


//================================================Start Chart Configuration============================================================================

SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " +WriteVal( V, 1.0 ) +" {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
SetChartBkGradientFill(ParamColor("Top", colorTeal), ParamColor("Bottom", colorLightGrey), ParamColor("Title", colorTeal));
SetChartBkColor(colorTeal);


Plot( C, "Close", colorWhite, styleCandle, Zorder = 1);
SetChartOptions(0,chartShowArrows | chartShowDates);

//================================================End Chart Configuration===============================================================================


//====================================Start of Linear Regression Code==================================================================================

P = ParamField("Price field",-1);

Length = 150;

Daysback = Param("Period for Liner Regression Line",Length,1,240,1);
shift = Param("Look back period",0,0,240,1);

//=============================== Math Formula ========================================================================================================

x = Cum(1);
lastx = LastValue( x ) - shift;
aa = LastValue( Ref(LinRegIntercept( p, Daysback), -shift) );
bb = LastValue( Ref(LinRegSlope( p, Daysback ), -shift) );
y = Aa + bb * ( x - (Lastx - DaysBack +1 ) );

//==================Plot the Linear Regression Line ====================================================================================================

LRColor = ParamColor("LR Color", colorCycle ); 
LRStyle = ParamStyle("LR Style");

LRLine =  IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y, Null );

LRStyle = ParamStyle("LR Style");
Angle = Param("Angle", 0.05, 0, 1.5, 0.01);// A slope higher than 0.05 radians will turn green, less than -0.05 will turn red and anything in between will be white.

LRLine = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y, Null );

Pi = 3.14159265 * atan(1); // Pi
SlopeAngle = atan(bb)*(180/Pi);

LineUp = SlopeAngle > Angle;
LineDn = SlopeAngle < - Angle;

if(LineUp)
{
Plot(LRLine, "Lin. Reg. Line Up", IIf(LineUp, colorBrightGreen, colorWhite), LRStyle);
}
else
{
Plot(LRLine, "Lin. Reg. Line Down", IIf(LineDn, colorDarkRed, colorWhite), LRStyle);
} 

//==========================  Plot 1st SD Channel ======================================================================================================

SDP = Param("Standard Deviation", 1.5, 0, 6, 0.1);
SD = SDP/2;

width = LastValue( Ref(SD*StDev(p, Daysback),-shift) ); //Set width of inside chanels here.
SDU = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y+width , Null ) ;
SDL = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y-width , Null ) ;

SDColor = ParamColor("SD Color", colorCycle );
SDStyle = ParamStyle("SD Style");

Plot( SDU , "Upper Lin Reg", colorWhite,SDStyle ); //Inside Regression Lines
Plot( SDL , "Lower Lin Reg", colorWhite,SDStyle ); //Inside Regression Lines

//==========================  Plot 2d SD Channel ========================================================================================================

SDP2 = Param("2d Standard Deviation", 2.0, 0, 6, 0.1);
SD2 = SDP2/2;

width2 = LastValue( Ref(SD2*StDev(p, Daysback),-shift) ); //Set width of outside chanels here. 
SDU2 = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y+width2 , Null ) ;
SDL2 = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y-width2 , Null ) ;

SDColor2 = ParamColor("2 SD Color", colorCycle );
SDStyle2 = ParamStyle("2 SD Style");

Plot( SDU2 , "Upper Lin Reg", colorWhite,SDStyle2 ); //OutSide Regression Lines
Plot( SDL2 , "Lower Lin Reg", colorWhite,SDStyle2 ); //OutSide Regression Lines

Trend = IIf(LRLine > Ref(LRLine,-1),colorGreen,colorRed);//Changes LR line to green if sloping up and red if sloping down.

Plot( LRLine , "LinReg", Trend, LRSTYLE );

//============================ End Indicator Code =========



_SECTION_BEGIN("MAMA");
SetBarsRequired( 10000, 10000 );
SetChartOptions(0,chartShowArrows|chartShowDates);
prc = ( High + Low ) / 2;
fastlimit = 0.5;
slowlimit = 0.05;
pi=4*atan(1);
    RTD=180/pi;
    DTR=pi/180;

Cyclepart=Param("Alpha",0.5,0.1,1,0.1);
   
Smooth[0] = Period = Detrender[0] = I1[0] = Q1[0] = 0;
phase[0]=deltaphase[0]=MAMA[0]=FAMA[0]=0;
for ( i = 6; i < BarCount; i++ )
{
Smooth[i] = ( 4 * prc[i] + 3 * prc[i-1] + 2 * prc[i-2] + prc[i-3] ) / 10;
AmpCorr[i] = 0.075 * Period[i-1] + 0.54;
Detrender[i] = ( 0.0962 * Smooth[i] + 0.5769 * Smooth[i-2] - 0.5769 * Smooth[i-4] - 0.0962 * Smooth[i-6] ) * AmpCorr[i];
Q1[i] = ( 0.0962 * Detrender[i] + 0.5769 * Detrender[i-2] - 0.5769 * Detrender[i-4] - 0.0962 * Detrender[i-6] ) * AmpCorr[i];
I1[i] = Detrender[i-3];
if (I1[i] != 0) phase[i] = DTR*360/atan(q1[i]/I1[i]);
deltaphase[i]=phase[i-1]-phase[i];
if (deltaphase[i] <1) deltaphase[i]=1;
alpha[i]=fastlimit[i]/deltaphase[i];
if (alpha[i] < slowlimit[i]) alpha[i]=slowlimit[i];
MAMA[i]=alpha[i] * prc [i] +(1-alpha[i])*MAMA[i-1];
FAMA[i]=Cyclepart*alpha[i] * prc [i] +(1-Cyclepart*alpha[i])*FAMA[i-1];
}

_SECTION_END();

_SECTION_BEGIN("SYSTEM");
BuySetupValue=ValueWhen(Cross(MAMA,FAMA),H,1);
SellsetupValue=ValueWhen(Cross(FAMA,MAMA),L,1);
Buysetup =Cross(MAMA,FAMA) ;
Sellsetup = Cross(FAMA,MAMA);
Longa = Flip(Buysetup,Sellsetup);
shrta = Flip(Sellsetup,Buysetup);
Buy=Longa AND Cross(C,BuySetupValue);
Sell=shrta AND Cross(SellsetupValue,C);
Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);
t1= Flip(Buy,Sell);
t2= Flip(Sell,Buy);
BPrice=ValueWhen(t1 AND Ref(t1,-1)==0,C,1);
SPrice=ValueWhen(t2 AND Ref(t2,-1)==0,C,1);
GraphXSpace = 5;
dist = 1.5*ATR(20); 
for( i = 0; i < BarCount; i++ ) 
{ 
if( Buy[i] ) PlotText( "" + C[ i ], i, L[ i ]-dist[i], colorLime ); 
if( Sell[i] ) PlotText( "" + C[ i ], i, H[ i ]+dist[i], colorYellow ); 
} 
_SECTION_END();
//=================TITLE================================================================================================
_SECTION_BEGIN("Title");
if( Status("action") == actionIndicator ) 
(
Title = EncodeColor(colorWhite)+ "MAMA Poistional System" + " - " +  Name() + " - " + EncodeColor(colorRed)+ Interval(2) + EncodeColor(colorWhite) +
 "  - " + Date() +" - "+"\n" +EncodeColor(colorYellow) +"Op-"+O+"  "+"Hi-"+H+"  "+"Lo-"+L+"  "+
"Cl-"+C+"  "+ "Vol= "+ WriteVal(V)+"\n"+ 
EncodeColor(colorLime)+
WriteIf (Buy , " GO LONG / Reverse Signal at "+C+"  ","")+
WriteIf (Sell , " EXIT LONG / Reverse Signal at "+C+"  ","")+"\n"+EncodeColor(colorWhite)+
WriteIf(Sell , "Total Profit/Loss for the Last Trade Rs."+(C-BPrice)+"","")+
WriteIf(Buy  , "Total Profit/Loss for the Last trade Rs."+(SPrice-C)+"","")+
WriteIf(Longa AND NOT Buy, "Trade : Long - Entry price Rs."+(BPrice),"")+
WriteIf(shrta AND NOT Sell, "Trade : Short - Entry price Rs."+(SPrice),"")+"\n"+ 
WriteIf(Longa AND NOT Buy, "Current Profit/Loss Rs."+(C-BPrice)+"","")+
WriteIf(shrta AND NOT Sell, "Current Profit/Loss Rs."+(SPrice-C)+"",""));
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-40);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0,L, Offset=-50);                      
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-45); 
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorRed, 0, H, Offset=40);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorOrange, 0,H, Offset=50);                      
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-45);
_SECTION_END();
WriteVal(BuyPrice);
WriteVal(Longa);
WriteVal(t1);
WriteVal(SellPrice);
WriteVal(shrta);
_SECTION_END();
//=========================== Back ground Text ===================
_SECTION_BEGIN("Background text");
GfxSetOverlayMode(1);
GfxSelectFont("Tahoma", Status("pxheight")/6 );
GfxSetTextAlign( 6 );// center alignment
//GfxSetTextColor( ColorRGB( 60, 45, 80 ) );
GfxSetTextColor( ColorHSB( 42, 42, 42 ) );
//GfxSetTextColor( ColorHSB( 5, 5,242) );
GfxSetBkMode(0); // transparent
GfxTextOut( Name(), Status("pxwidth")/2, Status("pxheight")/12 );
GfxSelectFont("Tahoma", Status("pxheight")/12 );
GfxTextOut( "", Status("pxwidth")/2, Status("pxheight")/3 );
GfxSelectFont("Tahoma", Status("pxheight")/20 );
GfxTextOut( "", Status("pxwidth")/2, Status("pxheight")/2 );
GfxSelectFont("Tahoma", Status("pxheight")/40);
GfxTextOut( "", Status("pxwidth")/7, Status("pxheight")/6);

_SECTION_END();

// Downloaded From www.WiseStockTrader.com
_SECTION_BEGIN("VWAP");
/*
The VWAP for a stock is calculated by adding the dollars traded for every
transaction in that stock ("price" x "number of shares traded") and dividing the total shares traded. A VWAP is computed from the Open of the market to the market Close, AND is calculated by Volume weighting all transactions during this time period
*/

Bars_so_far_today = 1 + BarsSince( Day() != Ref(Day(), -1));
StartBar = ValueWhen(TimeNum() == 093000, BarIndex());
TodayVolume = Sum(V,Bars_so_far_today);
IIf (BarIndex() >= StartBar, VWAP = Sum (C * V, Bars_so_far_today  ) / TodayVolume,0);
Plot (VWAP,"VWAP",colorBlue, styleThick);

_SECTION_END();

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