diff --git a/Experts/2MA_Cross.ex5 b/Experts/2MA_Cross.ex5
index 86efe91..35dce8e 100644
Binary files a/Experts/2MA_Cross.ex5 and b/Experts/2MA_Cross.ex5 differ
diff --git a/Experts/PriceMA_Cross.ex5 b/Experts/PriceMA_Cross.ex5
index 5e697f1..e04f6ef 100644
Binary files a/Experts/PriceMA_Cross.ex5 and b/Experts/PriceMA_Cross.ex5 differ
diff --git a/Experts/RangeBars_ExampleEA.ex5 b/Experts/RangeBars_ExampleEA.ex5
index bfffdff..18ac4a1 100644
Binary files a/Experts/RangeBars_ExampleEA.ex5 and b/Experts/RangeBars_ExampleEA.ex5 differ
diff --git a/Experts/RangeBars_ExampleEA2.ex5 b/Experts/RangeBars_ExampleEA2.ex5
index d247d9d..3985d51 100644
Binary files a/Experts/RangeBars_ExampleEA2.ex5 and b/Experts/RangeBars_ExampleEA2.ex5 differ
diff --git a/Include/AZ-INVEST/SDK/CommonSettings.mqh b/Include/AZ-INVEST/SDK/CommonSettings.mqh
index a825a37..6cc6ccb 100644
Binary files a/Include/AZ-INVEST/SDK/CommonSettings.mqh and b/Include/AZ-INVEST/SDK/CommonSettings.mqh differ
diff --git a/Include/AZ-INVEST/SDK/CustomChartInputs.mqh b/Include/AZ-INVEST/SDK/CustomChartInputs.mqh
index 98a7714..eddf9b8 100644
Binary files a/Include/AZ-INVEST/SDK/CustomChartInputs.mqh and b/Include/AZ-INVEST/SDK/CustomChartInputs.mqh differ
diff --git a/Include/AZ-INVEST/SDK/CustomChartInputsBR.mqh b/Include/AZ-INVEST/SDK/CustomChartInputsBR.mqh
index 63bec66..e1d3e81 100644
Binary files a/Include/AZ-INVEST/SDK/CustomChartInputsBR.mqh and b/Include/AZ-INVEST/SDK/CustomChartInputsBR.mqh differ
diff --git a/Include/AZ-INVEST/SDK/CustomChartSettingsBase.mqh b/Include/AZ-INVEST/SDK/CustomChartSettingsBase.mqh
index 6913b17..f9b1814 100644
Binary files a/Include/AZ-INVEST/SDK/CustomChartSettingsBase.mqh and b/Include/AZ-INVEST/SDK/CustomChartSettingsBase.mqh differ
diff --git a/Include/AZ-INVEST/SDK/RangeBarCustomChartSettings.mqh b/Include/AZ-INVEST/SDK/RangeBarCustomChartSettings.mqh
index 5791bda..56b40a2 100644
--- a/Include/AZ-INVEST/SDK/RangeBarCustomChartSettings.mqh
+++ b/Include/AZ-INVEST/SDK/RangeBarCustomChartSettings.mqh
@@ -15,6 +15,7 @@
       double                  InpBarSize = 180;                               // Range bar size
       ENUM_BAR_SIZE_CALC_MODE InpBarSizeCalcMode = BAR_SIZE_ABSOLUTE_TICKS;   // Bar size calculation
       int                     InpShowNumberOfDays = 7;                        // Show history for number of days
+      datetime                InpShowFromDate = 0;                            // Show history starting from
       ENUM_TIMEFRAMES         InpAtrTimeFrame = PERIOD_D1;                    // ATR timeframe setting
       int                     InpAtrPeriod = 14;                              // ATR period setting
       ENUM_BOOL               InpResetOpenOnNewTradingDay = true;             // Synchronize first bar's open on new day
@@ -24,6 +25,7 @@
       input double                  InpBarSize = 100;                            // Range bar size
       input ENUM_BAR_SIZE_CALC_MODE InpBarSizeCalcMode = BAR_SIZE_ABSOLUTE_TICKS;// Bar size calculation
       input int                     InpShowNumberOfDays = 5;                     // Show history for number of days
+      input datetime                InpShowFromDate = 0;                         // Show history starting from
       input group                   "### ATR bar size calculation settings"
       input ENUM_TIMEFRAMES         InpAtrTimeFrame = PERIOD_D1;                 // ATR timeframe setting
       input int                     InpAtrPeriod = 14;                           // ATR period setting   
@@ -35,6 +37,7 @@
       double                  InpBarSize = 180;                            // Range bar size 
       ENUM_BAR_SIZE_CALC_MODE InpBarSizeCalcMode = BAR_SIZE_ABSOLUTE_TICKS;// Bar size calculation
       int                     InpShowNumberOfDays = 7;                     // Show history for number of days
+      datetime                InpShowFromDate = 0;                         // Show history starting from
       ENUM_TIMEFRAMES         InpAtrTimeFrame = PERIOD_D1;                 // ATR timeframe setting
       int                     InpAtrPeriod = 14;                           // ATR period setting
       ENUM_BOOL               InpResetOpenOnNewTradingDay = true;          // Synchronize first bar's open on new day
@@ -57,6 +60,7 @@ struct RANGEBAR_SETTINGS
    ENUM_TIMEFRAMES         atrTimeFrame;
    int                     atrPeriod;
    int                     showNumberOfDays;
+   datetime                showFromDate;
    ENUM_BOOL               resetOpenOnNewTradingDay;  
 };
 
@@ -109,6 +113,7 @@ void CRangeBarCustomChartSettigns::SetCustomChartSettings()
    settings.barSize = InpBarSize;   
    settings.barSizeCalcMode = InpBarSizeCalcMode;
    settings.showNumberOfDays = InpShowNumberOfDays;
+   settings.showFromDate = InpShowFromDate;
    settings.atrTimeFrame = InpAtrTimeFrame;
    settings.atrPeriod = InpAtrPeriod;
    settings.resetOpenOnNewTradingDay = InpResetOpenOnNewTradingDay;
diff --git a/Include/AZ-INVEST/SDK/RangeBars.mqh b/Include/AZ-INVEST/SDK/RangeBars.mqh
index a6497c2..378b09f 100644
--- a/Include/AZ-INVEST/SDK/RangeBars.mqh
+++ b/Include/AZ-INVEST/SDK/RangeBars.mqh
@@ -199,6 +199,7 @@ int RangeBars::Init()
                                        s.barSize,
                                        s.barSizeCalcMode,
                                        s.showNumberOfDays,
+                                       s.showFromDate,
                                        "=",
                                        s.atrTimeFrame,
                                        s.atrPeriod,
@@ -242,8 +243,7 @@ int RangeBars::Init()
                                        cis.ChannelAppliedPrice,
                                        cis.ChannelMultiplier,
                                        cis.ChannelBandsDeviations, 
-                                       cis.ChannelPriceLabel,
-                                       cis.ChannelMidPriceLabel,
+                                       cis.ChannelPriceLabels,
                                        "=",
                                        true); // used in EA
 // TopBottomPaddingPercentage,
diff --git a/Include/AZ-INVEST/SDK/TimeControl.mqh b/Include/AZ-INVEST/SDK/TimeControl.mqh
index 05e8606..fa1da74 100644
--- a/Include/AZ-INVEST/SDK/TimeControl.mqh
+++ b/Include/AZ-INVEST/SDK/TimeControl.mqh
@@ -1,5 +1,6 @@
 //
-// Copyright 2018-19, Artur Zas
+// Copyright 2018-2021, Artur Zas
+// GNU General Public License v3.0 -> https://github.com/9nix6/Median-and-Turbo-Renko-indicator-bundle/blob/master/LICENSE
 // https://www.az-invest.eu 
 // https://www.mql5.com/en/users/arturz
 //
@@ -8,46 +9,100 @@ class CTimeControl
 {
    private:
    
+      int      scheduleID;
+      
       int      startHH;
       int      startMM;
       string   start;
+      datetime startOfSession;
       
       int      endHH;
       int      endMM;
       string   end;
+      datetime endOfSession;
       
       bool     scheduleEnabled;
       
    public:
    
+      CTimeControl(int id = 0) { scheduleID = id; };
+      
       void SetValidTraingHours(string _from = "0:00", string _to = "0:00");
+      void SetValidTraingHours(bool _unused, string _timeSpan = "0:00-0:00");
       bool IsTradingTimeValid();
       bool IsScheduleEnabled() { return scheduleEnabled; };
+      void UpdateSessionDateTime(int addSecods = 0); 
+      datetime GetSessionStartTime() { return startOfSession; };
+      datetime GetSessionEndTime() { return endOfSession; };
+      void MoveSessionStartToNow();
+      string ToString();
+      
+   private:
+   
       void StringToHHMM(string value, int &HH, int &MM);
+      bool StringToHHMMRange(string value, int &startHH, int &startMM, string& _start, int &endHH, int &endMM, string& _end);
+      void SetScheduleState();    
 };
 
-void CTimeControl::SetValidTraingHours(string _from,string _to)
+void CTimeControl::SetValidTraingHours(string _from, string _to)
 {
    this.start = _from;
    this.end = _to;
    
    StringToHHMM(this.start, this.startHH, this.startMM);
    StringToHHMM(this.end, this.endHH, this.endMM);
+   UpdateSessionDateTime();
    
-   if(this.startHH == 0 && this.startMM == 0 && this.endHH == 0 && this.endMM == 0)
+   SetScheduleState();      
+}
+
+void CTimeControl::MoveSessionStartToNow()
+{
+   datetime now = TimeCurrent();
+   
+   MqlDateTime temp;
+   TimeToStruct(now,temp);
+   
+   startHH = temp.hour;
+   startMM = temp.min;
+   start = StringFormat("%02d:%02d", startHH, startMM);
+
+   UpdateSessionDateTime(temp.sec + 1);      
+}
+
+void CTimeControl::UpdateSessionDateTime(int addSecods = 0)
+{
+   datetime now = TimeCurrent();
+   
+   MqlDateTime temp;
+   TimeToStruct(now,temp);
+   
+   if(addSecods > 0)
    {
-      scheduleEnabled = false;
+      string startTimeTemp = StringFormat("%s:%02d", this.start, addSecods);
+      startOfSession = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+startTimeTemp);       
    }
    else
    {
-      scheduleEnabled = true;
+      startOfSession = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+this.start); 
    }
+      
+   endOfSession = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+this.end);
+}
+
+void CTimeControl::SetValidTraingHours(bool _unused, string _timeSpan = "0:00-0:00")
+{
+   if(!StringToHHMMRange(_timeSpan,  this.startHH, this.startMM, this.start, this.endHH, this.endMM, this.end))
+      return;
+   
+   UpdateSessionDateTime();
+   SetScheduleState();      
 }
 
 bool CTimeControl::IsTradingTimeValid()
 {
    if(scheduleEnabled == false)
-         return true;
+      return true;
 
    datetime now = TimeCurrent();
    
@@ -57,12 +112,32 @@ bool CTimeControl::IsTradingTimeValid()
    datetime _start = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+this.start); 
    datetime _end  = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+this.end); 
    
-   if((now >= _start) && (now <= _end))
+   if(_start <= now && now <= _end)
       return true;
    else
       return false;
 }
 
+string CTimeControl::ToString()
+{
+   string tradingScheduleName = "Trading schedule ";
+   
+   tradingScheduleName += (scheduleID != 0) 
+      ? (string)scheduleID+" "
+      : "";
+      
+   if(IsScheduleEnabled())
+   {
+      return tradingScheduleName+"ON ("+this.start+" to "+this.end+") | trading "+(IsTradingTimeValid()
+      ? "enabled"
+      : "disabled");
+   }
+   else
+   {
+      return tradingScheduleName+"NOT USED";
+   }                     
+}
+
 void CTimeControl::StringToHHMM(string value, int &HH, int &MM) 
 {
    MqlDateTime temp;
@@ -73,4 +148,46 @@ void CTimeControl::StringToHHMM(string value, int &HH, int &MM)
    
    HH = temp.hour;
    MM = temp.min;
-}
\ No newline at end of file
+}
+
+bool CTimeControl::StringToHHMMRange(string value, int &_startHH, int &_startMM, string& _start, int &_endHH, int &_endMM, string& _end) 
+{
+   string result[];   
+   int count = StringSplit(value, '-', result);
+   if(count != 2)
+      return false;
+
+   MqlDateTime temp;
+   TimeToStruct(TimeCurrent(),temp);
+   
+   // Start time
+   _start = result[0];
+   datetime fullDateTime = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+_start); 
+   TimeToStruct(fullDateTime,temp);
+   
+   startHH = temp.hour;
+   startMM = temp.min;
+   
+   // End time
+   TimeToStruct(TimeCurrent(),temp);
+   _end = result[1];
+   fullDateTime = StringToTime((string)temp.year+"."+(string)temp.mon+"."+(string)temp.day+" "+_end); 
+   TimeToStruct(fullDateTime,temp);
+   
+   endHH = temp.hour;
+   endMM = temp.min;   
+   
+   return true;
+}
+
+void CTimeControl::SetScheduleState()
+{
+   if(this.startHH == 0 && this.startMM == 0 && this.endHH == 0 && this.endMM == 0)
+   {
+      scheduleEnabled = false;
+   }
+   else
+   {
+      scheduleEnabled = true;
+   }    
+}
diff --git a/Include/AZ-INVEST/SDK/TradeFunctions.mqh b/Include/AZ-INVEST/SDK/TradeFunctions.mqh
index d16d0b8..67ac1ff 100644
--- a/Include/AZ-INVEST/SDK/TradeFunctions.mqh
+++ b/Include/AZ-INVEST/SDK/TradeFunctions.mqh
@@ -1,5 +1,6 @@
 //
 // Copyright 2017-2021, Artur Zas
+// GNU General Public License v3.0 -> https://github.com/9nix6/Median-and-Turbo-Renko-indicator-bundle/blob/master/LICENSE
 // https://www.az-invest.eu 
 // https://www.mql5.com/en/users/arturz
 //
diff --git a/Include/AZ-INVEST/SDK/TradeManager.mqh b/Include/AZ-INVEST/SDK/TradeManager.mqh
index 17d48a5..9606f4c 100644
--- a/Include/AZ-INVEST/SDK/TradeManager.mqh
+++ b/Include/AZ-INVEST/SDK/TradeManager.mqh
@@ -1,5 +1,6 @@
 //
 // Copyright 2018-2021, Artur Zas
+// GNU General Public License v3.0 -> https://github.com/9nix6/Median-and-Turbo-Renko-indicator-bundle/blob/master/LICENSE
 // https://www.az-invest.eu 
 // https://www.mql5.com/en/users/arturz
 //
diff --git a/Indicators/RangeBars/ADX Cross Alerts.ex5 b/Indicators/RangeBars/ADX Cross Alerts.ex5
index c08feb7..17e71c3 100644
Binary files a/Indicators/RangeBars/ADX Cross Alerts.ex5 and b/Indicators/RangeBars/ADX Cross Alerts.ex5 differ
diff --git a/Indicators/RangeBars/ADX.ex5 b/Indicators/RangeBars/ADX.ex5
index 6007875..1d4c4f1 100644
Binary files a/Indicators/RangeBars/ADX.ex5 and b/Indicators/RangeBars/ADX.ex5 differ
diff --git a/Indicators/RangeBars/ATP.ex5 b/Indicators/RangeBars/ATP.ex5
index 2b583fc..5b80dee 100644
Binary files a/Indicators/RangeBars/ATP.ex5 and b/Indicators/RangeBars/ATP.ex5 differ
diff --git a/Indicators/RangeBars/ATR.ex5 b/Indicators/RangeBars/ATR.ex5
index b61eb48..79d5d08 100644
Binary files a/Indicators/RangeBars/ATR.ex5 and b/Indicators/RangeBars/ATR.ex5 differ
diff --git a/Indicators/RangeBars/ATR.mq5 b/Indicators/RangeBars/ATR.mq5
index 3faa75f..8788421 100644
--- a/Indicators/RangeBars/ATR.mq5
+++ b/Indicators/RangeBars/ATR.mq5
@@ -45,7 +45,7 @@ void OnInit()
 //---
    IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
 //--- sets first bar from what index will be drawn
-   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,InpAtrPeriod);
+   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,Inp_AtrPeriod);
 //--- name for DataWindow and indicator subwindow label
    string short_name="ATR("+string(ExtPeriodATR)+")";
    IndicatorSetString(INDICATOR_SHORTNAME,short_name);
diff --git a/Indicators/RangeBars/AroonOscillator.ex5 b/Indicators/RangeBars/AroonOscillator.ex5
index e34f8d5..5ce675e 100644
Binary files a/Indicators/RangeBars/AroonOscillator.ex5 and b/Indicators/RangeBars/AroonOscillator.ex5 differ
diff --git a/Indicators/RangeBars/AwesomeOscillator.ex5 b/Indicators/RangeBars/AwesomeOscillator.ex5
index 776d3dc..b34ccca 100644
Binary files a/Indicators/RangeBars/AwesomeOscillator.ex5 and b/Indicators/RangeBars/AwesomeOscillator.ex5 differ
diff --git a/Indicators/RangeBars/BB_MACD.ex5 b/Indicators/RangeBars/BB_MACD.ex5
index b67dad9..a1119f2 100644
Binary files a/Indicators/RangeBars/BB_MACD.ex5 and b/Indicators/RangeBars/BB_MACD.ex5 differ
diff --git a/Indicators/RangeBars/BollingerBands.ex5 b/Indicators/RangeBars/BollingerBands.ex5
new file mode 100644
index 0000000..be5c16d
Binary files /dev/null and b/Indicators/RangeBars/BollingerBands.ex5 differ
diff --git a/Indicators/RangeBars/BollingerBands.mq5 b/Indicators/RangeBars/BollingerBands.mq5
new file mode 100644
index 0000000..d938458
--- /dev/null
+++ b/Indicators/RangeBars/BollingerBands.mq5
@@ -0,0 +1,169 @@
+//+------------------------------------------------------------------+
+//|                                                           BB.mq5 |
+//|                   Copyright 2009-2020, MetaQuotes Software Corp. |
+//|                                              http://www.mql5.com |
+//+------------------------------------------------------------------+
+#property copyright   "2009-2020, MetaQuotes Software Corp."
+#property link        "http://www.mql5.com"
+#property description "Bollinger Bands"
+#include <MovingAverages.mqh>
+#include <AZ-INVEST/CustomBarConfig.mqh>
+//---
+#property indicator_chart_window
+#property indicator_buffers 4
+#property indicator_plots   3
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  LightSeaGreen
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  LightSeaGreen
+#property indicator_type3   DRAW_LINE
+#property indicator_color3  LightSeaGreen
+#property indicator_label1  "Bands middle"
+#property indicator_label2  "Bands upper"
+#property indicator_label3  "Bands lower"
+//--- input parametrs
+input int     InpBandsPeriod=20;       // Period
+input int     InpBandsShift=0;         // Shift
+input double  InpBandsDeviations=2.0;  // Deviation
+input ENUM_APPLIED_PRICE InpAppliedPrice = PRICE_CLOSE; // Applied price
+//--- global variables
+int           ExtBandsPeriod,ExtBandsShift;
+double        ExtBandsDeviations;
+int           ExtPlotBegin=0;
+//--- indicator buffer
+double        ExtMLBuffer[];
+double        ExtTLBuffer[];
+double        ExtBLBuffer[];
+double        ExtStdDevBuffer[];
+//+------------------------------------------------------------------+
+//| Custom indicator initialization function                         |
+//+------------------------------------------------------------------+
+void OnInit()
+  {
+//--- check for input values
+   if(InpBandsPeriod<2)
+     {
+      ExtBandsPeriod=20;
+      PrintFormat("Incorrect value for input variable InpBandsPeriod=%d. Indicator will use value=%d for calculations.",InpBandsPeriod,ExtBandsPeriod);
+     }
+   else
+      ExtBandsPeriod=InpBandsPeriod;
+   if(InpBandsShift<0)
+     {
+      ExtBandsShift=0;
+      PrintFormat("Incorrect value for input variable InpBandsShift=%d. Indicator will use value=%d for calculations.",InpBandsShift,ExtBandsShift);
+     }
+   else
+      ExtBandsShift=InpBandsShift;
+   if(InpBandsDeviations==0.0)
+     {
+      ExtBandsDeviations=2.0;
+      PrintFormat("Incorrect value for input variable InpBandsDeviations=%f. Indicator will use value=%f for calculations.",InpBandsDeviations,ExtBandsDeviations);
+     }
+   else
+      ExtBandsDeviations=InpBandsDeviations;
+//--- define buffers
+   SetIndexBuffer(0,ExtMLBuffer);
+   SetIndexBuffer(1,ExtTLBuffer);
+   SetIndexBuffer(2,ExtBLBuffer);
+   SetIndexBuffer(3,ExtStdDevBuffer,INDICATOR_CALCULATIONS);
+//--- set index labels
+   PlotIndexSetString(0,PLOT_LABEL,"Bands("+string(ExtBandsPeriod)+") Middle");
+   PlotIndexSetString(1,PLOT_LABEL,"Bands("+string(ExtBandsPeriod)+") Upper");
+   PlotIndexSetString(2,PLOT_LABEL,"Bands("+string(ExtBandsPeriod)+") Lower");
+//--- indicator name
+   IndicatorSetString(INDICATOR_SHORTNAME,"Bollinger Bands");
+//--- indexes draw begin settings
+   ExtPlotBegin=ExtBandsPeriod-1;
+   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,ExtBandsPeriod);
+   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,ExtBandsPeriod);
+   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,ExtBandsPeriod);
+//--- indexes shift settings
+   PlotIndexSetInteger(0,PLOT_SHIFT,ExtBandsShift);
+   PlotIndexSetInteger(1,PLOT_SHIFT,ExtBandsShift);
+   PlotIndexSetInteger(2,PLOT_SHIFT,ExtBandsShift);
+//--- number of digits of indicator value
+   IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1);
+   
+   customChartIndicator.SetUseAppliedPriceFlag(InpAppliedPrice);
+  }
+//+------------------------------------------------------------------+
+//| Bollinger Bands                                                  |
+//+------------------------------------------------------------------+
+/*
+int OnCalculate(const int rates_total,
+                const int prev_calculated,
+                const int begin,
+                const double &price[])
+*/                
+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[])                
+  {     
+   static int begin = 0;
+  
+   if(!customChartIndicator.OnCalculate(rates_total,prev_calculated,time,close))
+      return(0);
+
+   if(!customChartIndicator.BufferSynchronizationCheck(close))
+      return(0);
+
+   int _prev_calculated = customChartIndicator.GetPrevCalculated();
+   int _rates_total = ArraySize(customChartIndicator.Close);      
+   
+   if(_rates_total<ExtPlotBegin)
+      return(0);      
+      
+//--- indexes draw begin settings, when we've recieved previous begin
+   if(ExtPlotBegin!=ExtBandsPeriod+begin)
+     {
+      ExtPlotBegin=ExtBandsPeriod+begin;
+      PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,ExtPlotBegin);
+      PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,ExtPlotBegin);
+      PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,ExtPlotBegin);
+     }
+//--- starting calculation
+   int pos;
+   if(_prev_calculated>1)
+      pos=_prev_calculated-1;
+   else
+      pos=0;
+//--- main cycle
+   for(int i=pos; i<_rates_total && !IsStopped(); i++)
+     {
+      //--- middle line
+      ExtMLBuffer[i]=SimpleMA(i,ExtBandsPeriod,customChartIndicator.Price);
+      //--- calculate and write down StdDev
+      ExtStdDevBuffer[i]=StdDev_Func(i,customChartIndicator.Price,ExtMLBuffer,ExtBandsPeriod);
+      //--- upper line
+      ExtTLBuffer[i]=ExtMLBuffer[i]+ExtBandsDeviations*ExtStdDevBuffer[i];
+      //--- lower line
+      ExtBLBuffer[i]=ExtMLBuffer[i]-ExtBandsDeviations*ExtStdDevBuffer[i];
+     }
+//--- OnCalculate done. Return new prev_calculated.
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//| Calculate Standard Deviation                                     |
+//+------------------------------------------------------------------+
+double StdDev_Func(const int position,const double &price[],const double &ma_price[],const int period)
+  {
+   double std_dev=0.0;
+//--- calcualte StdDev
+   if(position>=period)
+     {
+      for(int i=0; i<period; i++)
+         std_dev+=MathPow(price[position-i]-ma_price[position],2.0);
+      std_dev=MathSqrt(std_dev/period);
+     }
+//--- return calculated value
+   return(std_dev);
+  }
+//+------------------------------------------------------------------+
diff --git a/Indicators/RangeBars/BollingerBandsMacd.ex5 b/Indicators/RangeBars/BollingerBandsMacd.ex5
index 0456bd5..1665d10 100644
Binary files a/Indicators/RangeBars/BollingerBandsMacd.ex5 and b/Indicators/RangeBars/BollingerBandsMacd.ex5 differ
diff --git a/Indicators/RangeBars/CCI(alternative).ex5 b/Indicators/RangeBars/CCI(alternative).ex5
index 229bd5f..bececc6 100644
Binary files a/Indicators/RangeBars/CCI(alternative).ex5 and b/Indicators/RangeBars/CCI(alternative).ex5 differ
diff --git a/Indicators/RangeBars/CCI.ex5 b/Indicators/RangeBars/CCI.ex5
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diff --git a/Indicators/RangeBars/Gann_Hi_Lo_Activator.ex5 b/Indicators/RangeBars/Gann_Hi_Lo_Activator.ex5
index 0ca1ad2..044cf9e 100644
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diff --git a/Indicators/RangeBars/Gann_Hi_Lo_Activator_SSL.ex5 b/Indicators/RangeBars/Gann_Hi_Lo_Activator_SSL.ex5
index ca233de..48ca7d6 100644
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diff --git a/Indicators/RangeBars/Gann_Hi_Lo_Activator_SSL.mq5 b/Indicators/RangeBars/Gann_Hi_Lo_Activator_SSL.mq5
index 5959d3d..4330d70 100644
--- a/Indicators/RangeBars/Gann_Hi_Lo_Activator_SSL.mq5
+++ b/Indicators/RangeBars/Gann_Hi_Lo_Activator_SSL.mq5
@@ -16,10 +16,10 @@
 #property indicator_color1 clrDodgerBlue, clrOrangeRed
 #property indicator_style1 STYLE_SOLID
 #property indicator_width1 2
-#property indicator_label1 "GHL (13, SMMA)"
+#property indicator_label1 "GHL_SSL"
 //--- input parameters
-input uint           InpPeriod=13;       // Period
-input ENUM_MA_METHOD InpMethod=MODE_SMMA;// Method
+input uint           InpPeriod=10;      // Period
+input ENUM_MA_METHOD InpMethod=MODE_SMA;// Method
 //--- buffers
 double GannBuffer[];
 double ColorBuffer[];
@@ -27,12 +27,12 @@ double MaHighBuffer[];
 double MaLowBuffer[];
 double TrendBuffer[];
 //--- global vars
-int ma_high_handle;
-int ma_low_handle;
-int period;
+//int ma_high_handle;
+//int ma_low_handle;
+int _period;
 
 //
-
+#include <MovingAverages.mqh>
 #include <AZ-INVEST/CustomBarConfig.mqh>
 
 //
@@ -43,7 +43,7 @@ int period;
 int OnInit()
   {
 //--- check period
-   period=(int)fmax(InpPeriod,2);
+   _period=(int)fmax(InpPeriod,2);
 //--- set buffers
    SetIndexBuffer(0,GannBuffer);
    SetIndexBuffer(1,ColorBuffer,INDICATOR_COLOR_INDEX);
@@ -57,19 +57,19 @@ int OnInit()
    ArraySetAsSeries(MaLowBuffer,true);
    ArraySetAsSeries(TrendBuffer,true);
 //--- get handles
-   ma_high_handle=iMA(NULL,0,period,0,InpMethod,PRICE_HIGH);
-   ma_low_handle =iMA(NULL,0,period,0,InpMethod,PRICE_LOW);
-   if(ma_high_handle==INVALID_HANDLE || ma_low_handle==INVALID_HANDLE)
-     {
-      Print("Unable to create handle for iMA");
-      return(INIT_FAILED);
-     }
+   //ma_high_handle=iMA(NULL,0,_period,0,InpMethod,PRICE_HIGH);
+   //ma_low_handle =iMA(NULL,0,_period,0,InpMethod,PRICE_LOW);
+   //if(ma_high_handle==INVALID_HANDLE || ma_low_handle==INVALID_HANDLE)
+   //  {
+   //   Print("Unable to create handle for iMA");
+   //   return(INIT_FAILED);
+   //  }
 //--- set indicator properties
-   string short_name=StringFormat("Gann High-Low Activator SSL (%u, %s)",period,StringSubstr(EnumToString(InpMethod),5));
+   string short_name=StringFormat("Gann High-Low Activator SSL (%u, %s)",_period,StringSubstr(EnumToString(InpMethod),5));
    IndicatorSetString(INDICATOR_SHORTNAME,short_name);
    IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
 //--- set label
-   short_name=StringFormat("GHL (%u, %s)",period,StringSubstr(EnumToString(InpMethod),5));
+   short_name=StringFormat("GHL (%u, %s)",_period,StringSubstr(EnumToString(InpMethod),5));
    PlotIndexSetString(0,PLOT_LABEL,short_name);
 //--- done
    return(INIT_SUCCEEDED);
@@ -89,7 +89,7 @@ int OnCalculate(const int rates_total,
                 const int &spread[])
   {
 
-   if(rates_total<period+1)return(0);
+   //if(rates_total<_period+1)return(0);
 
    //
    // Process data through MedianRenko indicator
@@ -135,7 +135,7 @@ int OnCalculate(const int rates_total,
    int limit;
    if(rates_total<_prev_calculated || _prev_calculated<=0)
      {
-      limit=rates_total-period-1;
+      limit=rates_total-_period-1;
       ArrayInitialize(GannBuffer,EMPTY_VALUE);
       ArrayInitialize(ColorBuffer,0);
       ArrayInitialize(MaHighBuffer,0);
@@ -145,8 +145,30 @@ int OnCalculate(const int rates_total,
    else
       limit=rates_total-_prev_calculated;
 //--- get MA
-   if(CopyBuffer(ma_high_handle,0,0,limit+1,MaHighBuffer)!=limit+1)return(0);
-   if(CopyBuffer(ma_low_handle,0,0,limit+1,MaLowBuffer)!=limit+1)return(0);
+   //if(CopyBuffer(ma_high_handle,0,0,limit+1,MaHighBuffer)!=limit+1)return(0);
+   //if(CopyBuffer(ma_low_handle,0,0,limit+1,MaLowBuffer)!=limit+1)return(0);
+   
+   switch(InpMethod)
+   {
+      case MODE_SMA:
+         SimpleMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.High, MaHighBuffer);
+         SimpleMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.Low, MaLowBuffer);
+      break;
+      case MODE_EMA:
+         ExponentialMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.High, MaHighBuffer);
+         ExponentialMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.Low, MaLowBuffer);
+      break;
+      case MODE_SMMA:
+         SmoothedMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.High, MaHighBuffer);
+         SmoothedMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.Low, MaLowBuffer);
+      break;
+      case MODE_LWMA:
+         LinearWeightedMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.High, MaHighBuffer);
+         LinearWeightedMAOnBuffer(rates_total, _prev_calculated, 0, _period, customChartIndicator.Low, MaLowBuffer);
+      break;
+   }
+   
+   
 //--- main cycle
    for(int i=limit; i>=0 && !_StopFlag; i--)
      {
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