#4X ArrZZx2

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#4X ArrZZx2

This script is a sophisticated technical analysis tool designed to identify market trends and potential reversal points by analyzing price movements through multiple layers of filtering. Rather than relying on simple price action, it uses a "nested" logic that smooths out market noise to reveal underlying momentum.

Here is a breakdown of the professional logic used in this tool:

1. The Foundation: Dynamic Price Smoothing

The script begins by calculating a customized moving average. Unlike standard moving averages that treat all data points equally, this logic uses specific price types (such as Close, Open, or Median prices) and applies a unique "weighted" calculation. This creates a foundational baseline that is less reactive to minor, insignificant price flickers but remains sensitive enough to capture meaningful trends.

2. Trend Refinement (The Signal Filter)

Once the base trend is established, the script applies a secondary layer of refinement. It looks at the highest and lowest peaks within a specific window of time to generate a "Signal" line. This step effectively filters out "market noise," ensuring that the signals generated later are based on sustained price movements rather than temporary volatility.

3. ZigZag Detection & Peak Mapping

The core intelligence of the script lies in its ability to identify significant structural turns in the market (similar to a ZigZag indicator). It automatically detects:

  • Significant Highs and Lows: It identifies where the trend changes direction based on pre-defined thresholds.
  • Swing Points: By tracking these points, it establishes the "skeleton" of the market's current structure.
  • Trend Directionality: The script maintains a memory of whether the market is currently in an upward or downward structural phase.

4. Predictive Markers and Reversals

Based on the structural highs and lows identified in the previous step, the script generates four distinct types of visual feedback for the user:

  • Directional Arrows: These provide immediate cues on potential trend shifts or "pivot" points where the market may be losing momentum.
  • Confirmation Markers: These markers appear when the price action aligns with a confirmed structural change, helping traders distinguish between a "fake-out" and a genuine move.
  • Boundary Detection: The logic includes a mechanism to identify specific limit points, essentially highlighting zones where the market has historically struggled to push further in one direction.

Summary for the User

In essence, this tool does not just show you what the price is doing now; it analyzes the history of the trend structure to predict where the next major move might occur. It filters out the "chaos" of the daily market by looking at smoothed averages, then maps out the "peaks and valleys," and finally plots visual signals (arrows and markers) to highlight high-probability areas for potential trend changes.

Indicators Used
Moving average indicator
Miscellaneous
Implements a curve of type %1
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#4X ArrZZx2 
//+------------+-----------------------------------------------------+
//| v.22.04.07 |                                         ArrZZx2.mq4 |
//+------------+                                                     |
//|------------|              Bookkeeper, 2007, yuzefovich@gmail.com |
//+------------+-----------------------------------------------------+
#property copyright ""
#property link      "http://www.forexter.land.ru/indicators.htm"
//----
#property indicator_chart_window
#property indicator_buffers 8
#property indicator_color1  White
#property indicator_width1 2
#property indicator_color2  Lime
#property indicator_width2 4
#property indicator_color3  Blue
#property indicator_color4  Blue
#property indicator_color5  Aqua
#property indicator_width5 1
#property indicator_color6  C'255,100,255'
#property indicator_width6 1
#property indicator_color7  Aqua
#property indicator_width7 1
#property indicator_color8  C'255,100,255'
#property indicator_width8 1
//--------------------------------------------------------------------
extern int    SR     =3;  // =3..4
extern int    SRZZ   =12; // =4..12..20..12
extern int    MainRZZ=12;//20; // =12..20..54..20
extern int    FP     =12;
extern int    SMF    =3;  // =1..5
extern bool   DrawZZ =false;
extern int    PriceConst=0; // 0 - Close
                            // 1 - Open
                            // 2 - High
                            // 3 - Low
                            // 4 - (H+L)/2
                            // 5 - (H+L+C)/3
                            // 6 - (H+L+2*C)/4
//extern string Prefix="ArrZZx2"; 
//--------------------------------------------------------------------
double        Lmt[];
double        LZZ[];
double        SA[];
double        SM[];
double        Up[];
double        Dn[];
double        pUp[];
double        pDn[];
//---------------------------------------------------------------------
int LTF[6]={0,0,0,0,0,0},STF[5]={0,0,0,0,0}; 
int MaxBar, nSBZZ, nLBZZ, SBZZ, LBZZ;
bool First=true;
int prevBars=0;
//---------------------------------------------------------------------
void MainCalculation(int Pos) {
if((Bars-Pos)>(SR+1)) SACalc(Pos); else SA[Pos]=0; 
if((Bars-Pos)>(FP+SR+2)) SMCalc(Pos); else SM[Pos]=0; return; }
//---------------------------------------------------------------------
void SACalc(int Pos) { int sw, i, w, ww, Shift; double sum; 
switch(PriceConst) {
case  0: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_CLOSE,Pos);
  break;
case  1: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_OPEN,Pos);
  break;
/*case  2: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_HIGH,Pos);
  break;
case  3: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_LOW,Pos);
  break;*/
case  4: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_MEDIAN,Pos);
  break;
case  5: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_TYPICAL,Pos);
  break;
case  6: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_WEIGHTED,Pos);
  break;
default: 
  SA[Pos]=iMA(NULL,0,SR+1,0,MODE_LWMA,PRICE_OPEN,Pos);
  break; }
for(Shift=Pos+SR+2;Shift>Pos;Shift--) { sum=0.0; sw=0; i=0; w=Shift+SR;
ww=Shift-SR; if(ww<Pos) ww=Pos;
while(w>=Shift) {i++; sum=sum+i*SnakePrice(w); sw=sw+i; w--; }
while(w>=ww) { i--; sum=sum+i*SnakePrice(w); sw=sw+i; w--; }
SA[Shift]=sum/sw; } return; }
//----
double SnakePrice(int Shift) {
switch(PriceConst) {
   case  0: return(Close[Shift]);
   case  1: return(Open[Shift]);
   /*case  2: return(High[Shift]);
   case  3: return(Low[Shift]);*/
   case  4: return((High[Shift]+Low[Shift])/2);
   case  5: return((Close[Shift]+High[Shift]+Low[Shift])/3);
   case  6: return((2*Close[Shift]+High[Shift]+Low[Shift])/4);
   default: return(Open[Shift]); } }
//---------------------------------------------------------------------
void SMCalc(int i) { double t, b;
for(int Shift=i+SR+2;Shift>=i;Shift--) {
t=SA[ArrayMaximum(SA,FP,Shift)]; b=SA[ArrayMinimum(SA,FP,Shift)];
SM[Shift]=(2*(2+SMF)*SA[Shift]-(t+b))/2/(1+SMF); } return; }
//---------------------------------------------------------------------
void LZZCalc(int Pos) { 
int i,RBar,LBar,ZZ,NZZ,NZig,NZag; 
i=Pos-1; NZig=0; NZag=0;
while(i<MaxBar && ZZ==0) { i++; LZZ[i]=0; RBar=i-MainRZZ; 
if(RBar<Pos) RBar=Pos; LBar=i+MainRZZ;
if(i==ArrayMinimum(SM,LBar-RBar+1,RBar)) { ZZ=-1; NZig=i; }
if(i==ArrayMaximum(SM,LBar-RBar+1,RBar)) { ZZ=1;NZag=i; } }
if(ZZ==0) return; NZZ=0;
if(i>Pos) { if(SM[i]>SM[Pos]) { if(ZZ==1) {
if(i>=Pos+MainRZZ && NZZ<5) { NZZ++; LTF[NZZ]=i; } NZag=i; 
LZZ[i]=SM[i]; } }
else { if(ZZ==-1) { if(i>=Pos+MainRZZ && NZZ<5) { NZZ++; LTF[NZZ]=i; }
NZig=i; LZZ[i]=SM[i]; } } }
while(i<LBZZ || NZZ<5) {  LZZ[i]=0; RBar=i-MainRZZ; 
if(RBar<Pos) RBar=Pos; LBar=i+MainRZZ;
if(i==ArrayMinimum(SM,LBar-RBar+1,RBar)) {
if(ZZ==-1 && SM[i]<SM[NZig]) { 
if(i>=Pos+MainRZZ && NZZ<5) LTF[NZZ]=i; LZZ[NZig]=0; LZZ[i]=SM[i]; 
NZig=i; }
if(ZZ==1) { if(i>=Pos+MainRZZ && NZZ<5) { NZZ++; LTF[NZZ]=i; } 
LZZ[i]=SM[i]; ZZ=-1; NZig=i; } }
if(i==ArrayMaximum(SM,LBar-RBar+1,RBar)) {
if(ZZ==1 && SM[i]>SM[NZag]) { 
if(i>=Pos+MainRZZ && NZZ<5) LTF[NZZ]=i; LZZ[NZag]=0; LZZ[i]=SM[i]; 
NZag=i; }
if(ZZ==-1) { if(i>=Pos+MainRZZ && NZZ<5) { NZZ++; LTF[NZZ]=i; } 
LZZ[i]=SM[i]; ZZ=1; NZag=i; } } i++; if(i>MaxBar) return; } 
nLBZZ=Bars-LTF[5]; LZZ[Pos]=SM[Pos]; return; }
//----
void SZZCalc(int Pos) { 
int i,RBar,LBar,ZZ,NZZ,NZig,NZag; 
i=Pos-1; NZig=0; NZag=0;
while(i<=LBZZ && ZZ==0) { i++; pDn[i]=0; pUp[i]=0; Dn[i]=0; Up[i]=0; 
Lmt[i]=0; RBar=i-SRZZ; if(RBar<Pos) RBar=Pos; LBar=i+SRZZ;
if(i==ArrayMinimum(SM,LBar-RBar+1,RBar)) { ZZ=-1; NZig=i; }
if(i==ArrayMaximum(SM,LBar-RBar+1,RBar)) { ZZ=1; NZag=i; } }
if(ZZ==0) return; NZZ=0;
if(i>Pos) { if(SM[i]>SM[Pos]) { if(ZZ==1) {
if(i>=Pos+SRZZ && NZZ<4) { NZZ++; STF[NZZ]=i; } NZag=i; 
Dn[i-1]=Open[i-1]; } }
else { if(ZZ==-1) { if(i>=Pos+SRZZ && NZZ<4) { NZZ++; STF[NZZ]=i; }
NZig=i; Up[i-1]=Open[i-1]; } } }
while(i<=LBZZ || NZZ<4) { pDn[i]=0; pUp[i]=0; Dn[i]=0; Up[i]=0; 
Lmt[i]=0; RBar=i-SRZZ; if(RBar<Pos) RBar=Pos; LBar=i+SRZZ;
if(i==ArrayMinimum(SM,LBar-RBar+1,RBar)) {
if(ZZ==-1 && SM[i]<SM[NZig]) { 
if(i>=Pos+SRZZ && NZZ<4) STF[NZZ]=i; Up[NZig-1]=0; Up[i-1]=Open[i-1]; 
NZig=i; } if(ZZ==1) { if(i>=Pos+SRZZ && NZZ<4) { NZZ++; STF[NZZ]=i; } 
Up[i-1]=Open[i-1]; ZZ=-1; NZig=i;  } }
if(i==ArrayMaximum(SM,LBar-RBar+1,RBar)) {
if(ZZ==1 && SM[i]>SM[NZag]) { 
if(i>=Pos+SRZZ && NZZ<4) STF[NZZ]=i; Dn[NZag-1]=0; Dn[i-1]=Open[i-1]; 
NZag=i; } if(ZZ==-1) { if(i>=Pos+SRZZ && NZZ<4) { NZZ++; STF[NZZ]=i; } 
Dn[i-1]=Open[i-1]; ZZ=1; NZag=i; } } i++; if(i>LBZZ) return; } 
nSBZZ=Bars-STF[4]; return; }
//---------------------------------------------------------------------
void ArrCalc() { int i,j,k,n,z=0; double p, b;
i=LBZZ; while(LZZ[i]==0) i--; j=i; p=LZZ[i]; i--; while(LZZ[i]==0) i--; 
if(LZZ[i]>p) z=1; if(LZZ[i]>0 && LZZ[i]<p) z=-1; p=LZZ[j]; i=j-1;  
while(i>0) { if(LZZ[i]>p) { z=-1; p=LZZ[i]; }
if(LZZ[i]>0 && LZZ[i]<p) { z=1;  p=LZZ[i]; }
if(z>0 && Dn[i]>0) { Lmt[i]=Open[i]; Dn[i]=0; }
if(z<0 && Up[i]>0) { Lmt[i]=Open[i]; Up[i]=0; }
if(z>0 && Up[i]>0) { if(i>1) { j=i-1; k=j-SRZZ+1; if(k<0) k=0; 
n=j; while(n>=k && Dn[n]==0) { pUp[n]=Up[i]; pDn[n]=0; n--; } } 
if(i==1) pUp[0]=Up[i]; } 
if(z<0 && Dn[i]>0) { if(i>1) { j=i-1; k=j-SRZZ+1; if(k<0) k=0; 
n=j; while(n>=k && Up[n]==0) { pDn[n]=Dn[i]; pUp[n]=0; n--; } } 
if(i==1) pDn[0]=Dn[i]; } 
i--; } return; }
//---------------------------------------------------------------------
void deinit() { 
return; }
//---------------------------------------------------------------------
int init() { IndicatorBuffers(8);
SetIndexBuffer(0,Lmt);
SetIndexStyle(0,DRAW_ARROW,EMPTY,2); SetIndexArrow(0,110);
SetIndexEmptyValue(0,0.0);
SetIndexBuffer(1,LZZ);
if(DrawZZ) {
SetIndexStyle(1,DRAW_SECTION,EMPTY,4);
SetIndexEmptyValue(1,0.0); }
else SetIndexStyle(1,DRAW_NONE);
SetIndexBuffer(2,SA); SetIndexStyle(2,DRAW_NONE);
SetIndexBuffer(3,SM); SetIndexStyle(3,DRAW_NONE);
SetIndexBuffer(4,Up); SetIndexStyle(4,DRAW_ARROW,EMPTY,1);//Green up arrow
SetIndexArrow(4,110); SetIndexEmptyValue(4,0.0);
SetIndexBuffer(5,Dn); SetIndexStyle(5,DRAW_ARROW,EMPTY,1);//Red down arrow
SetIndexArrow(5,110); SetIndexEmptyValue(5,0.0);
SetIndexBuffer(6,pUp); SetIndexStyle(6,DRAW_ARROW,EMPTY,1);//Green up markers
SetIndexArrow(6,110); SetIndexEmptyValue(6,0.0);
SetIndexBuffer(7,pDn); SetIndexStyle(7,DRAW_ARROW,EMPTY,1);//Red down markers
SetIndexArrow(7,110); SetIndexEmptyValue(7,0.0); return(0); }
//---------------------------------------------------------------------
int start() { int counted_bars=IndicatorCounted(); int limit,i,j,n;
if(counted_bars<0) return(-1); if(counted_bars>0) counted_bars--;
if(First==true) { 
if(SR<2) SR=2; if(Bars<=2*(MainRZZ+FP+SR+2)) return(-1); 
if(SRZZ<=SR) SRZZ=SR+1; MaxBar=Bars-(MainRZZ+FP+SR+2);
LBZZ=MaxBar; SBZZ=LBZZ; prevBars=Bars; First=false; }
limit=Bars-counted_bars; for(i=limit;i>=0;i--) { MainCalculation(i); }
if(prevBars!=Bars) { SBZZ=Bars-nSBZZ; LBZZ=Bars-nLBZZ; prevBars=Bars; } 
SZZCalc(0); LZZCalc(0); ArrCalc(); return(0); }
//---------------------------------------------------------------------

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