ZigAndZag

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ZigAndZag

This script functions as a sophisticated technical analysis tool designed to identify market trends, structural turning points, and specific entry/exit signals. It achieves this by processing historical price data through three distinct logical "crusades" or passes, ensuring that the signals displayed are filtered for accuracy and chronological consistency.

Core Logic Overview

The primary objective of the script is to distinguish between minor price fluctuations (noise) and significant structural moves. It does this by utilizing two different types of "swing" detection mechanisms:

  • Short-Term Sensitivity (Slalom): This identifies smaller, more frequent price pivots.
  • Long-Term Structure (Keel Over): This monitors broader market movements to establish the primary trend.

By comparing these two, the script can understand not just where the price is going, but whether a current move is a major trend shift or just a minor correction.

The Three-Pass Processing System

To ensure the visual data is clean and logically sound, the script processes the market history in three stages:

  1. Initial Identification: The script first scans the history to find every instance of a price "peak" or "valley." It identifies these points based on your user-defined sensitivity settings (the Slalom and Keel Over parameters). During this stage, it also performs a "cleaning" action: if multiple peaks occur too close together, it removes the redundant ones, keeping only the most significant point.
  2. Structural Refinement: In the second pass, the script revisits those identified points to ensure they are logically consistent. It checks for "impossible" movements—situations where a new peak or valley would mathematically contradict the previous one in a way that suggests an error in detection. This step ensures the path of the trend remains smooth and realistic.
  3. Trend Construction and Signal Generation: In the final pass, the script synthesizes the information. It connects the long-term "Keel Over" points to build a primary trend line. Simultaneously, it looks at the short-term "Slalom" points. If a price move aligns with the established trend, it prepares a signal; if it moves against the trend, it evaluates whether a limit order (a pending instruction) is more appropriate.

Signal Execution (The "Scalpel")

The "Scalpel" component refers to how the script decides where to place visual markers for the user:

  • Trend Alignment: If the market is in a clear uptrend and a price point hits a specific "valley," the script identifies this as a potential Buy signal.
  • Counter-Trend / Limit Logic: If the price moves against the current trend, the script may instead identify a "Limit" point. This suggests a price level where the market might stall or reverse, rather than an immediate entry point.
  • Dynamic Cleaning: The logic constantly verifies these signals. If a price point is "overtaken" by a newer, more significant movement before the signal is triggered, the script automatically removes the old signal to prevent cluttered charts and outdated information.

Summary for the User

Instead of simply reacting to every small candle movement, this script acts as an intelligent filter. It builds a "skeleton" of the market trend using long-term data and then uses short-term data to pinpoint exact "scalpel-like" locations where the price is likely to react. It provides you with three types of visual cues: specific Buy/Sell signals for following the trend, Limit points for identifying potential reversals, and a structural line showing the overall market direction.

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Implements a curve of type %1
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ZigAndZag 
//+------------------------------------------------------------------+
//|                                             ZigAndZagScalpel.mq4 |
//|                           Bookkeeper, 2006, yuzefovich@gmail.com |
//+------------------------------------------------------------------+
#property copyright ""
#property link      ""
//----
#property indicator_chart_window
#property indicator_buffers 7     // Èëè 8 - äëÿ testBuffer
#property indicator_color1 Aqua
#property indicator_color2 Black
#property indicator_color3 Black
#property indicator_color4 Black
#property indicator_color5 White
#property indicator_color6 Red
#property indicator_color7 Red
//#property indicator_color8 White // Äëÿ ïîäáîðà ÷åãî-íèáóäü
extern int KeelOver=55; // Äëÿ M15
extern int Slalom=17;  // Äëÿ M15
double KeelOverZigAndZagSECTION[];
double KeelOverZagBuffer[];
double SlalomZigBuffer[];
double SlalomZagBuffer[];
double LimitOrdersBuffer[];
double BuyOrdersBuffer[];
double SellOrdersBuffer[];
//double testBuffer[];
int    shift,back,CountBar,Backstep=3;
int    LastSlalomZagPos,LastSlalomZigPos,LastKeelOverZagPos,LastKeelOverZigPos;
double Something,LimitPoints,Navel;
double CurKeelOverZig,CurKeelOverZag,CurSlalomZig,CurSlalomZag;
double LastSlalomZag,LastSlalomZig,LastKeelOverZag,LastKeelOverZig;
bool   TrendUp,SetBuyOrder,SetLimitOrder,SetSellOrder,Second=false;
string LastZigOrZag="None";
//----
int init()
  {
   SetIndexBuffer(0,KeelOverZigAndZagSECTION);
   SetIndexStyle(0,DRAW_SECTION,STYLE_DOT);//DRAW_SECTION èëè DRAW_NONE
   SetIndexEmptyValue(0,0.0);
   SetIndexBuffer(1,KeelOverZagBuffer);
   SetIndexStyle(1,DRAW_NONE);
   SetIndexEmptyValue(1,0.0);
   SetIndexBuffer(2,SlalomZigBuffer);
   SetIndexStyle(2,DRAW_NONE);
   SetIndexEmptyValue(2,0.0);
   SetIndexBuffer(3,SlalomZagBuffer);
   SetIndexStyle(3,DRAW_NONE);
   SetIndexEmptyValue(3,0.0);
   SetIndexBuffer(4,LimitOrdersBuffer);
   SetIndexStyle(4,DRAW_ARROW);
   SetIndexArrow(4,108);
   SetIndexEmptyValue(4,0.0);
   SetIndexBuffer(5,BuyOrdersBuffer);
   SetIndexStyle(5,DRAW_ARROW);
   SetIndexArrow(5,233);
   SetIndexEmptyValue(5,0.0);
   SetIndexBuffer(6,SellOrdersBuffer);
   SetIndexStyle(6,DRAW_ARROW);
   SetIndexArrow(6,234);
   SetIndexEmptyValue(6,0.0);
   //   SetIndexStyle(7,DRAW_SECTION);
   //   SetIndexBuffer(7,testBuffer);
   //   SetIndexEmptyValue(7,0.0);
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int start()
  {
   CountBar=Bars-KeelOver;
   LimitPoints=Ask-Bid;
   if(CountBar<=3*KeelOver) return(-1); // Ìàëîâàòî áóäåò
   if(KeelOver<=2*Slalom) return(-1);  // Òùàòåëüíåå íàäî
   // Çà÷èñòêà íåïðàâèëüíîé èñòîðèè
   for(shift=Bars-1; shift>Bars-KeelOver; shift--)
     {
      SlalomZagBuffer[shift]=0.0;
      SlalomZigBuffer[shift]=0.0;
      KeelOverZagBuffer[shift]=0.0;
      KeelOverZigAndZagSECTION[shift]=0.0;
      LimitOrdersBuffer[shift]=0.0;
      BuyOrdersBuffer[shift]=0.0;
      SellOrdersBuffer[shift]=0.0;
      //      testBuffer[shift]=0.0;
     }
   //+---Ïåðâûé ïîõîä ïî èñòîðèè----------------------------------------+
   The_First_Crusade();
   //+---Âòîðîé ïðîõîä ïî èñòîðè÷åñêèì ìåñòàì---------------------------+
   //+---ñ öåëüþ ïîä÷èñòêè íåâåðíî ïîíÿòûõ ñîáûòèé----------------------+
   LastSlalomZag=-1; LastSlalomZagPos=-1;
   LastSlalomZig=-1;  LastSlalomZigPos=-1;
   LastKeelOverZag=-1; LastKeelOverZagPos=-1;
   LastKeelOverZig=-1;  LastKeelOverZigPos=-1;
   The_Second_Crusade();
   //+---Òðåòèé èñòîðè÷åñêèé ýêñêóðñ - ïîñòðîåíèå "òðåíäà"--------------+
   //+---è ðàññòàíîâêà "òîðãîâûõ ñèãíàëîâ"------------------------------+
   LastSlalomZag=-1; LastSlalomZagPos=-1;
   LastSlalomZig=-1;  LastSlalomZigPos=-1;
   LastZigOrZag="None";
   The_Third_Crusade();
   //+---À ÷åãî ìû òåïåðü áóäåì èìåòü çäåñü è ñåé÷àñ?-------------------+
   Shift_Zerro();
   return(0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void The_First_Crusade()
  {
   for(shift=CountBar; shift>0; shift--)
     {
      // Ïîèñê òî÷åê "âñòàë â ïîçó" - "óøåë ñ ðûíêà"
      CurSlalomZig=Low[Lowest(NULL,0,MODE_LOW,Slalom,shift)];
      CurSlalomZag=High[Highest(NULL,0,MODE_HIGH,Slalom,shift)];
      // Ïðîâåðÿåì shift íà íàëè÷èå î÷åðåäíîãî ÑëàëîìÇèãà äëÿ âõîäà 
      // â ïîêóïêó èëè äëÿ âûõîäà èç ïðîäàæè
      if(CurSlalomZig==LastSlalomZig) CurSlalomZig=0.0;
      else
        {
         LastSlalomZig=CurSlalomZig;
         if((Low[shift]-CurSlalomZig)>LimitPoints) CurSlalomZig=0.0;
         else
           {
            // Íà èíòåðâàëå Backstep ìîæåò áûòü òîëüêî îäèí Çèã, 
            // îñòàâëÿåì òîëüêî ïîñëåäíèé, áîëåå ðàííèå óáèðàåì
            for(back=1; back<=Backstep; back++)
              {
               Something=SlalomZigBuffer[shift+back];
               if((Something!=0)&&(Something>CurSlalomZig))
                  SlalomZigBuffer[shift+back]=0.0;
              }
           }
        }
      // Ïðîâåðÿåì shift íà íàëè÷èå î÷åðåäíîãî ÑëàëîìÇàãà äëÿ âõîäà âíèç
      // èëè äëÿ âûõîäà èç ïîêóïêè
      if(CurSlalomZag==LastSlalomZag) CurSlalomZag=0.0;
      else
        {
         LastSlalomZag=CurSlalomZag;
         if((CurSlalomZag-High[shift])>LimitPoints) CurSlalomZag=0.0;
         else
           {
            // Íà èíòåðâàëå Backstep ìîæåò áûòü òîëüêî îäèí Çàã, 
            // îñòàâëÿåì òîëüêî ïîñëåäíèé, áîëåå ðàííèå óáèðàåì
            for(back=1; back<=Backstep; back++)
              {
               Something=SlalomZagBuffer[shift+back];
               if((Something!=0)&&(Something<CurSlalomZag))
                  SlalomZagBuffer[shift+back]=0.0;
              }
           }
        }
      // Âñå, ÷òî íàøëè íîâåíüêîãî è ïóñòûøêè - êëàäåì â áóôåðà ñëàëîìà
      SlalomZigBuffer[shift]=CurSlalomZig;
      SlalomZagBuffer[shift]=CurSlalomZag;
      // Èùåì òî÷êè ðàçâîðîòà äëÿ ïîñòðîåíèÿ "ëèíåéíîãî òðåíäà", ïðè ýòîì 
      // â áóôåð ðàçâîðîòîâ ZigAndZag ïîêà ÷òî áóäåì êëàñòü òîëüêî ÎâåðêèëüÇèãè
      CurKeelOverZig=Low[Lowest(NULL,0,MODE_LOW,KeelOver,shift)];
      CurKeelOverZag=High[Highest(NULL,0,MODE_HIGH,KeelOver,shift)];
      // Ïðîâåðÿåì shift íà íàëè÷èå î÷åðåäíîãî ÎâåðêèëüÇèãà
      if(CurKeelOverZig==LastKeelOverZig) CurKeelOverZig=0.0;
      else
        {
         LastKeelOverZig=CurKeelOverZig;
         if((Low[shift]-CurKeelOverZig)>LimitPoints) CurKeelOverZig=0.0;
         else
           {
            // Íà èíòåðâàëå Backstep ìîæåò áûòü òîëüêî îäèí Çèã, 
            // îñòàâëÿåì òîëüêî ïîñëåäíèé, áîëåå ðàííèå óáèðàåì
            for(back=1; back<=Backstep; back++)
              {
               Something=KeelOverZigAndZagSECTION[shift+back];
               if((Something!=0)&&(Something>CurKeelOverZig))
                  KeelOverZigAndZagSECTION[shift+back]=0.0;
              }
           }
        }
      // Ïðîâåðÿåì shift íà íàëè÷èå î÷åðåäíîãî ÎâåðêèëüÇàãà
      if(CurKeelOverZag==LastKeelOverZag) CurKeelOverZag=0.0;
      else
        {
         LastKeelOverZag=CurKeelOverZag;
         if((CurKeelOverZag-High[shift])>LimitPoints) CurKeelOverZag=0.0;
         else
           {
            // Íà èíòåðâàëå Backstep ìîæåò áûòü òîëüêî îäèí Çàã, 
            // áîëåå ðàííèå óáèðàåì
            for(back=1; back<=Backstep; back++)
              {
               Something=KeelOverZagBuffer[shift+back];
               if((Something!=0)&&(Something<CurKeelOverZag))
                  KeelOverZagBuffer[shift+back]=0.0;
              }
           }
        }
      // Âñå, ÷òî íàøëè èëè íå íàøëè - êëàäåì â áóôåðà ðàçâîðîòîâ
      KeelOverZigAndZagSECTION[shift]=CurKeelOverZig;
      KeelOverZagBuffer[shift]=CurKeelOverZag;
     }
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void The_Second_Crusade()
  {
   // Ïðîñòî ïîä÷èñòêà ëèøíåãî
   for(shift=CountBar; shift>0; shift--)
     {
      CurSlalomZig=SlalomZigBuffer[shift];
      CurSlalomZag=SlalomZagBuffer[shift];
      if((CurSlalomZig==0)&&(CurSlalomZag==0)) continue;
      if(CurSlalomZag!=0)
        {
         if(LastSlalomZag>0)
           {
            if(LastSlalomZag<CurSlalomZag) SlalomZagBuffer[LastSlalomZagPos]=0;
            else SlalomZagBuffer[shift]=0;
           }
         if(LastSlalomZag<CurSlalomZag || LastSlalomZag<0)
           {
            LastSlalomZag=CurSlalomZag;
            LastSlalomZagPos=shift;
           }
         LastSlalomZig=-1;
        }
      if(CurSlalomZig!=0)
        {
         if(LastSlalomZig>0)
           {
            if(LastSlalomZig>CurSlalomZig) SlalomZigBuffer[LastSlalomZigPos]=0;
            else SlalomZigBuffer[shift]=0;
           }
         if((CurSlalomZig<LastSlalomZig)||(LastSlalomZig<0))
           {
            LastSlalomZig=CurSlalomZig;
            LastSlalomZigPos=shift;
           }
         LastSlalomZag=-1;
        }
      CurKeelOverZig=KeelOverZigAndZagSECTION[shift];
      CurKeelOverZag=KeelOverZagBuffer[shift];
      if((CurKeelOverZig==0)&&(CurKeelOverZag==0)) continue;
      if(CurKeelOverZag !=0)
        {
         if(LastKeelOverZag>0)
           {
            if(LastKeelOverZag<CurKeelOverZag)
               KeelOverZagBuffer[LastKeelOverZagPos]=0;
            else KeelOverZagBuffer[shift]=0.0;
           }
         if(LastKeelOverZag<CurKeelOverZag || LastKeelOverZag<0)
           {
            LastKeelOverZag=CurKeelOverZag;
            LastKeelOverZagPos=shift;
           }
         LastKeelOverZig=-1;
        }
      if(CurKeelOverZig!=0)
        {
         if(LastKeelOverZig>0)
           {
            if(LastKeelOverZig>CurSlalomZig)
               KeelOverZigAndZagSECTION[LastKeelOverZigPos]=0;
            else KeelOverZigAndZagSECTION[shift]=0;
           }
         if((CurKeelOverZig<LastKeelOverZig)||(LastKeelOverZig<0))
           {
            LastKeelOverZig=CurKeelOverZig;
            LastKeelOverZigPos=shift;
           }
         LastKeelOverZag=-1;
        }
     }
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void The_Third_Crusade()
  {
   bool first=true;
   for(shift=CountBar; shift>0; shift--)
     {
      // Íèçâåãàåì ïðåæíèõ ïðîðîêîâ
      LimitOrdersBuffer[shift]=0.0;
      BuyOrdersBuffer[shift]=0.0;
      SellOrdersBuffer[shift]=0.0;
      // Çàäàåì öåíòð ìèðîçäàíüÿ èíòåðâàëà shift (ïî ëþáîìó -
      // ñïîñîá áîëüøîãî ïîëèòè÷åñêîãî âåñà íå èìååò)
      Navel=(5*Close[shift]+2*Open[shift]+High[shift]+Low[shift])/9;
      // Åñëè îâåðêèëü - ñìîòðèì,
      // êóäà (ìîæåò áûòü) äàëüøå ñåéìîìåíòíî ïîéäåì: ââåðõ èëè âíèç
      if(KeelOverZigAndZagSECTION[shift]!=0.0)
        {
         TrendUp=true;
         first=false;
        }
      if(KeelOverZagBuffer[shift]!=0.0)
        {
         TrendUp=false;
         first=false;
        }
      // Ñîáèðàåì â KeelOverZigAndZagSECTION è ÎâåðêèëüÇèãè, è ÎâåðêèëüÇàãè, 
      // è ïóñòûøêè - âñå â îäíó êó÷êó, òàêèì îáðàçîì ïîëó÷àåì äîëãîèãðàþùèé
      // ZigAndZag, íàòÿãèâàÿ íèòü "òðåíäà" íà ïóïêè ðàçâîðîòíûõ ñâå÷åê
      if(KeelOverZagBuffer[shift]!=0.0 || KeelOverZigAndZagSECTION[shift]!=0.0)
        {
         KeelOverZigAndZagSECTION[shift]=Navel;
        }
      else KeelOverZigAndZagSECTION[shift]=0.0;
      // Ïðîâåðÿåì shift íà íàëè÷èå ÑëàëîìÇèãà èëè ÑëàëîìÇàãà
      if(SlalomZigBuffer[shift]!=0.0)
        {
         LastZigOrZag="Zig";
         LastSlalomZig=Navel;
         SetBuyOrder=false;
         SetLimitOrder=false;
         SetSellOrder=false;
        }
      if(SlalomZagBuffer[shift]!=0.0)
        {
         LastZigOrZag="Zag";
         LastSlalomZag=Navel;
         SetBuyOrder=false;
         SetLimitOrder=false;
         SetSellOrder=false;
        }
      // è, åñëè íè ÑëàëîìÇèãà, íè ÑëàëîìÇàãà óæå íåò,
      // à îâåðêèëü óæå áûë - ñìîòðèì, à ÷òî åñòü ïî âõîäó-âûõîäó
      if(SlalomZigBuffer[shift]==0.0 &&
         SlalomZagBuffer[shift]==0.0 &&
         first==false)                  Slalom_With_A_Scalpel();
     }
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void Shift_Zerro()
  {
   shift=0;
   Navel=(5*Close[0]+2*Open[0]+High[0]+Low[0])/9;
   Slalom_With_A_Scalpel();
   KeelOverZigAndZagSECTION[0]=Navel;
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void Slalom_With_A_Scalpel()
  {
   // Ïðîâåðÿåì ñóùåñòâóþùèé ñèãíàë íà èìååò ïðàâî áûòü
   // èëè íà åñëè íå ñòîèò, à õîòåëîñü áû:  
   // åñëè õîä ÷èñòî êîíêðåòíî ïî æèçíè - çàáèâàåì Ñòðåëêó íà äåíüãè,
   // åñëè ïðîòèâ - ñòàâèì íà øóõåð Øàðèêà Äåëàé-Íîãè
   if(LastZigOrZag=="Zig")
     {
      if(TrendUp==true)
        {
         if((Navel-LastSlalomZig)>=LimitPoints && SetBuyOrder==false)
           {
            SetBuyOrder=true;
            BuyOrdersBuffer[shift]=Low[shift+1];
            LastSlalomZigPos=shift;
           }
         if(Navel<=LastSlalomZig && SetBuyOrder==true)
           {
            SetBuyOrder=false;
            BuyOrdersBuffer[LastSlalomZigPos]=0.0;
            LastSlalomZigPos=-1;
           }
        }
      if(TrendUp==false)
        {
         if(Navel>LastSlalomZig && SetLimitOrder==false)
           {
            SetLimitOrder=true;
            LimitOrdersBuffer[shift]=Navel;
            //            LimitOrdersBuffer[shift]=Close[shift];
            LastSlalomZigPos=shift;
           }
         if(Navel<=LastSlalomZig && SetLimitOrder==true)
           {
            SetLimitOrder=false;
            LimitOrdersBuffer[LastSlalomZigPos]=0.0;
            LastSlalomZigPos=-1;
           }
        }
     }
   if(LastZigOrZag=="Zag")
     {
      if(TrendUp==false)
        {
         if((LastSlalomZag-Navel)>=LimitPoints && SetSellOrder==false)
           {
            SetSellOrder=true;
            SellOrdersBuffer[shift]=High[shift+1];
            LastSlalomZagPos=shift;
           }
         if(Navel>=LastSlalomZag && SetSellOrder==true)
           {
            SetSellOrder=false;
            SellOrdersBuffer[LastSlalomZagPos]=0.0;
            LastSlalomZagPos=-1;
           }
        }
      if(TrendUp==true)
        {
         if(LastSlalomZag>Navel && SetLimitOrder==false)
           {
            SetLimitOrder=true;
            LimitOrdersBuffer[shift]=Navel;
            //            LimitOrdersBuffer[shift]=Close[shift];
            LastSlalomZagPos=shift;
           }
         if(Navel>=LastSlalomZag && SetLimitOrder==true)
           {
            SetLimitOrder=false;
            LimitOrdersBuffer[LastSlalomZagPos]=0.0;
            LastSlalomZagPos=-1;
           }
        }
     }
   return;
  }
//+--Ñîáñòâåííî, ÿ âñå ñêàçàë. Çàáàâíî, åñëè âñå ýòî ðàáîòàòü áóäåò--+
//+------------------------------------------------------------------+

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