yesterdayfibo

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Author: Copyright 2015, MetaQuotes Software Corp.
yesterdayfibo

Overview of the YesterdayFibo Script

This script is designed for use on MetaTrader platforms to visually assist traders by automatically plotting key price levels and Fibonacci retracement data based on the previous day's market activity. Instead of manual calculation, it identifies the extremes of yesterday's trading session and projects them onto your current chart.

Core Functionality

1. Automated Time Recognition The script intelligently determines the boundaries of "Yesterday" based on specific regional requirements. It distinguishes between "East" and "West" markets to ensure the correct timeframes are captured:

  • East Market: Generally targets a range from Saturday (00:00) through Friday (23:59).
  • West Market: Typically focuses on a range from Friday (00:00) through Thursday (23:59).

The logic includes specific checks to handle weekend gaps, ensuring that the "start" and "end" of the previous trading session are accurately identified regardless of which day of the week you are currently viewing.

2. Dynamic Range Detection Once the script identifies the correct start and end times for yesterday, it scans the price history within that window to find two critical data points:

  • Highest Price: The absolute peak reached during the previous session.
  • Lowest Price: The absolute bottom reached during the previous session.

3. Visual Chart Mapping The script then translates this data into several visual elements on your chart:

  • Time Range Lines: Vertical lines that clearly mark exactly when yesterday's trading period began and ended.
  • Price Range Lines: Horizontal lines that highlight the high and low price boundaries of the previous day.
  • Price Markers: Visual arrows or marks placed at the exact points where the high and low prices occurred, helping you identify the specific candles where those extremes were hit.

4. Fibonacci Retracement Analysis A key feature of this tool is the automatic generation of a complete Fibonacci retracement suite based on yesterday's range.

  • The script automatically calculates various "Golden Section" levels (such as 38.2%, 50.0%, 61.8%, and 76.4%).
  • It intelligently determines the direction of the Fibonacci curve; if yesterday’s high occurred after the low, it adjusts the orientation automatically to ensure the levels remain mathematically accurate relative to the price action.

Technical Behavior & Compatibility

  • Timeframe Awareness: The script includes a safety check to ensure it only runs on specific intraday timeframes (configurable via settings). It is designed to function on charts smaller than a Daily (D1) candle, such as 15-minute or Hourly charts.
  • Clean Up: To maintain a clean workspace, the script includes an "unloading" routine. When you remove the indicator from your chart, it automatically deletes all the lines and arrows it created, preventing clutter.
  • Customization: Users can customize the colors of the time ranges, price ranges, and Fibonacci levels through the input settings to match their personal trading aesthetic.
Price Data Components
Series array that contains the highest prices of each barSeries array that contains the lowest prices of each bar
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yesterdayfibo 
ÿþ//+------------------------------------------------------------------+

//|                                                YesterdayFibo.mq4 |

//|                        Copyright 2015, MetaQuotes Software Corp. |

//|                                             https://www.mql5.com |

//+------------------------------------------------------------------+

#property copyright "Copyright 2015, MetaQuotes Software Corp."

#property link      "https://www.mql5.com"

#property version   "1.00"

#property strict

#property indicator_chart_window

//--- input parameters

extern int startWeekDayOfWeek=1; //Start Week Day 1 For East 7 For West

input ENUM_TIMEFRAMES minTimeFrames= PERIOD_M15; // Min Time Frames

input ENUM_TIMEFRAMES maxTimeFrames = PERIOD_H4; // Max Time Frames

input color TimeRangeColor=clrRed; //Time Range Line Color

input color PriceRangeColor=clrRed; //Price Range Line Color

input color PriceMarkColor=clrBlue; //Price Mark Color

input color GoldenSectionColor=clrBlue; //Golden Section Color

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//---

   if(Period()>=minTimeFrames && Period()<=maxTimeFrames && Period()<PERIOD_D1)

     {

      return(INIT_SUCCEEDED);

        }else{

      Print("Init Failed TimeFrame Less than One Day");

      //return(INIT_FAILED);

     }

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Expert deinitialization function                                 |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

//---

   ObjectDelete(0,"YesterDayStart");

   ObjectDelete(0,"YesterDayEnd");

   ObjectDelete(0,"YesterdayHighPrice");

   ObjectDelete(0,"YesterdayLowPrice");

   ObjectDelete(0,"YesterdayHighPriceValue");

   ObjectDelete(0,"YesterdayLowPriceValue");

   ObjectDelete(0,"FiboYesterDay");

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

//---

   YesterdayFibo();

//--- return value of prev_calculated for next call

   return(rates_total);

  }

//+------------------------------------------------------------------+

//| YesterdayFibo function                              |

//+------------------------------------------------------------------+

void YesterdayFibo()

  {

/**

Calculate the start and end for yesterday

East:Market From  Before Weeek Saturdayÿ6	ÿ  00:00 To Last Week Fridayÿ5	ÿ 23:59  

West:Market From  Before Weeek Fridayÿ5	ÿ 00:00 To Last Week Thursday 23:59



A week of market began ( USA EAST UTC -5 ) 17:00 in  EST on Sunday, the market continues on Friday 17:00

**/

   datetime TimeCurrentDateTime=TimeCurrent();// Local DateTime

   datetime ToDayStartDateTime=StringToTime(TimeToString(TimeCurrent(),TIME_DATE));//  ToDay Start From 00:00;

//---

   datetime YesterdayEndDateTime=NULL;

   datetime YesterdayStartDateTime=NULL;

//---

   int ToDayWeek=TimeDayOfWeek(ToDayStartDateTime);

//--- 1st Day Of  Market

   if(ToDayWeek==startWeekDayOfWeek)

     {

      YesterdayEndDateTime=ToDayStartDateTime-2*24*60*60-1;

      YesterdayStartDateTime=ToDayStartDateTime-3*24*60*60;

     }

   else

     {

      YesterdayEndDateTime=ToDayStartDateTime-1;

      if(ToDayWeek==startWeekDayOfWeek+1)

        {

         //--- 1st Day Of  Market

         YesterdayStartDateTime=ToDayStartDateTime-3*24*60*60;

        }

      else

        {

         YesterdayStartDateTime=ToDayStartDateTime-1*24*60*60;

        }

     }

   if(Period()>=minTimeFrames && Period()<=maxTimeFrames && Period()<PERIOD_D1)

     {

      int StartShift=iBarShift(NULL,NULL,YesterdayEndDateTime,false);//Shift Number Of  End Date Time

      int EndShift=iBarShift(NULL,NULL,YesterdayStartDateTime,false);//Shift Number Of Start Date Time

      //---

      int ShiftCount=EndShift -StartShift+1;//PERIOD_D1/Period();// Current Period Shift Count

      //---

      int YesterdayHighPriceIndex=iHighest(NULL,NULL,MODE_HIGH,ShiftCount,StartShift);//High Price Shift Number

      int YesterdayLowPriceIndex=iLowest(NULL,NULL,MODE_LOW,ShiftCount,StartShift);//Low Price Shift Number

      //---

      double YesterdayHighPrice=iHigh(NULL,NULL,YesterdayHighPriceIndex);//High Price

      double YesterdayLowPrice=iLow(NULL,NULL,YesterdayLowPriceIndex);//Low Price

      //--- Time Range Line

      DrawVLine("YesterDayStart",Time[EndShift]);

      ObjectSetStyle("YesterDayStart","Time Range Line",TimeRangeColor,STYLE_SOLID,1);

      DrawVLine("YesterDayEnd",Time[StartShift]);

      ObjectSetStyle("YesterDayEnd","Time Range Line",TimeRangeColor,STYLE_SOLID,1);

      //--- Price Range Line

      DrawHLine("YesterdayHighPrice",YesterdayHighPrice);

      ObjectSetStyle("YesterdayHighPrice","Price Range Line",PriceRangeColor,STYLE_SOLID,1);

      DrawHLine("YesterdayLowPrice",YesterdayLowPrice);

      ObjectSetStyle("YesterdayLowPrice","Price Range Line",PriceRangeColor,STYLE_SOLID,1);

      //--- Price Value Mark

      DrawArrow("YesterdayHighPriceValue",Time[YesterdayHighPriceIndex],YesterdayHighPrice,6);

      ObjectSetStyle("YesterdayHighPriceValue","Price Value Mark ",PriceMarkColor,STYLE_SOLID,1);

      DrawArrow("YesterdayLowPriceValue",Time[YesterdayLowPriceIndex],YesterdayLowPrice,6);

      ObjectSetStyle("YesterdayLowPriceValue","Price Value Mark ",PriceMarkColor,STYLE_SOLID,1);

      //--- Golden Section

      if(YesterdayHighPriceIndex>YesterdayLowPriceIndex)

        {

         DrawFiboComplete("FiboYesterDay",Time[YesterdayHighPriceIndex],YesterdayHighPrice,Time[YesterdayLowPriceIndex],YesterdayLowPrice);

        }

      else

        {

         DrawFiboComplete("FiboYesterDay",Time[YesterdayLowPriceIndex],YesterdayLowPrice,Time[YesterdayHighPriceIndex],YesterdayHighPrice);

        }

      ObjectSetStyle("FiboYesterDay","Golden Section",GoldenSectionColor,STYLE_DOT,1);

      ObjectSetLevelStyle("FiboYesterDay","Golden Section",GoldenSectionColor,STYLE_SOLID,1);

     }

  }

//+------------------------------------------------------------------+

//| DrawHLine Function                                               |

//+------------------------------------------------------------------+

void DrawHLine(string hlineName,double price)

  {

   ObjectCreate(hlineName,OBJ_HLINE,0,NULL,price);

  }

//+------------------------------------------------------------------+

//| DrawVLine Function                                               |

//+------------------------------------------------------------------+

void DrawVLine(string vlineName,datetime time)

  {

   ObjectCreate(vlineName,OBJ_VLINE,0,time,NULL);

  }

//+------------------------------------------------------------------+

//| DrawArrow Function                                               |

//+------------------------------------------------------------------+

void DrawArrow(string arrowName,datetime time,double price,uint arrowCode)



  {

   ObjectCreate(arrowName,OBJ_ARROW,0,time,price);

   ObjectSet(arrowName,OBJPROP_ARROWCODE,arrowCode);

  }

//+------------------------------------------------------------------+

//| DrawFiboComplete Function From -100% To +100%                    | 

//+------------------------------------------------------------------+

void DrawFiboComplete(string fiboName,datetime firstTime,double firstPrice,datetime secondTime,double secondPrice)

  {

   ObjectCreate(fiboName,OBJ_FIBO,0,firstTime,firstPrice,secondTime,secondPrice);

//---

   ObjectSet(fiboName,OBJPROP_FIBOLEVELS,25);

//---

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+18,-1.000);ObjectSetFiboDescription(fiboName,+18,"-100.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+17,-0.764);ObjectSetFiboDescription(fiboName,+17,"-76.4%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+16,-0.618);ObjectSetFiboDescription(fiboName,+16,"-61.8%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+15,-0.50);ObjectSetFiboDescription(fiboName,+15,"-50.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+14,-0.382);ObjectSetFiboDescription(fiboName,+14,"-38.2%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+13,-0.236);ObjectSetFiboDescription(fiboName,+13,"-23.6%% = %$");

//---

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+0,0.000);ObjectSetFiboDescription(fiboName,0,"00.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+1,0.236);ObjectSetFiboDescription(fiboName,1,"23.6%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+2,0.382);ObjectSetFiboDescription(fiboName,2,"38.2%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+3,0.500);ObjectSetFiboDescription(fiboName,3,"50.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+4,0.618);ObjectSetFiboDescription(fiboName,4,"61.8%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+5,0.764);ObjectSetFiboDescription(fiboName,5,"76.4%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+6,1.000);ObjectSetFiboDescription(fiboName,6,"100.0%% = %$");

//---

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+7,1.236);ObjectSetFiboDescription(fiboName,7,"123.6%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+8,1.382);ObjectSetFiboDescription(fiboName,8,"138.2%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+9,1.50);ObjectSetFiboDescription(fiboName,9,"150.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+10,1.618);ObjectSetFiboDescription(fiboName,10,"161.8%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+11,1.764);ObjectSetFiboDescription(fiboName,11,"176.4%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+12,2.000);ObjectSetFiboDescription(fiboName,12,"200.0%% = %$");

   ObjectSet(fiboName,OBJPROP_RAY,true);

  }

//+------------------------------------------------------------------+

//| DrawFiboSimple Function From 0% To +100%                         | 

//+------------------------------------------------------------------+

void DrawFiboSimple(string fiboName,datetime firstTime,double firstPrice,datetime secondTime,double secondPrice)

  {

   ObjectCreate(fiboName,OBJ_FIBO,0,firstTime,firstPrice,secondTime,secondPrice);

   ObjectSet(fiboName,OBJPROP_FIBOLEVELS,20);

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+0,0.000);ObjectSetFiboDescription(fiboName,0,"00.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+1,0.236);ObjectSetFiboDescription(fiboName,1,"23.6%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+2,0.382);ObjectSetFiboDescription(fiboName,2,"38.2%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+3,0.500);ObjectSetFiboDescription(fiboName,3,"50.0%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+4,0.618);ObjectSetFiboDescription(fiboName,4,"61.8%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+5,0.764);ObjectSetFiboDescription(fiboName,5,"76.4%% = %$");

   ObjectSet(fiboName,OBJPROP_FIRSTLEVEL+6,1.000);ObjectSetFiboDescription(fiboName,6,"100.0%% = %$");

   ObjectSet(fiboName,OBJPROP_RAY,true);

  }

//+------------------------------------------------------------------+

//| ObjectSetStyle Function                                          |

//+------------------------------------------------------------------+

void ObjectSetStyle(string objectName,string devation,color _color,uint style,uint width)

  {

//ObjectSet(objectName,OBJPROP_DEVIATION,ObjectDescription(devation));

   ObjectSet(objectName,OBJPROP_COLOR,_color);

   ObjectSet(objectName,OBJPROP_STYLE,style);

   ObjectSet(objectName,OBJPROP_WIDTH,width);

  }

//+------------------------------------------------------------------+

//| ObjectSetLevelStyle Function                                     |

//+------------------------------------------------------------------+

void ObjectSetLevelStyle(string objectName,string devation,color _color,uint style,uint width)

  {

   ObjectSet(objectName,OBJPROP_LEVELCOLOR,_color);

   ObjectSet(objectName,OBJPROP_LEVELSTYLE,style);

   ObjectSet(objectName,OBJPROP_LEVELWIDTH,width);

  }

//+------------------------------------------------------------------+

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