| //+------------------------------------------------------------------+
|
| //| Ultimate_Oscillator.mq5 |
|
| //| Copyright 2000-2025, MetaQuotes Ltd. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| #property copyright "Copyright 2000-2025, MetaQuotes Ltd."
|
| #property link "https://www.mql5.com"
|
| #include <MovingAverages.mqh>
|
| //--- indicator settings
|
| #property indicator_separate_window
|
| #property indicator_buffers 5
|
| #property indicator_plots 1
|
| #property indicator_type1 DRAW_LINE
|
| #property indicator_color1 clrDodgerBlue
|
| //--- input parameters
|
| input int InpFastPeriod=7; // Fast ATR period
|
| input int InpMiddlePeriod=14; // Middle ATR period
|
| input int InpSlowPeriod=28; // Slow ATR period
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| input int InpFastK=4; // Fast K
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| input int InpMiddleK=2; // Middle K
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| input int InpSlowK=1; // Slow K
|
| //--- indicator buffers
|
| double ExtUOBuffer[];
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| double ExtBPBuffer[];
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| double ExtFastATRBuffer[];
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| double ExtMiddleATRBuffer[];
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| double ExtSlowATRBuffer[];
|
| //--- indicator handles
|
| int ExtFastATRhandle;
|
| int ExtMiddleATRhandle;
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| int ExtSlowATRhandle;
|
|
|
| double ExtDivider;
|
| int ExtMaxPeriod;
|
| //+------------------------------------------------------------------+
|
| //| Custom indicator initialization function |
|
| //+------------------------------------------------------------------+
|
| void OnInit()
|
| {
|
| //--- indicator buffers mapping
|
| SetIndexBuffer(0,ExtUOBuffer,INDICATOR_DATA);
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| SetIndexBuffer(1,ExtBPBuffer,INDICATOR_CALCULATIONS);
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| SetIndexBuffer(2,ExtFastATRBuffer,INDICATOR_CALCULATIONS);
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| SetIndexBuffer(3,ExtMiddleATRBuffer,INDICATOR_CALCULATIONS);
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| SetIndexBuffer(4,ExtSlowATRBuffer,INDICATOR_CALCULATIONS);
|
| //--- set accuracy
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| IndicatorSetInteger(INDICATOR_DIGITS,2);
|
| //--- set levels
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| IndicatorSetInteger(INDICATOR_LEVELS,2);
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| IndicatorSetDouble(INDICATOR_LEVELVALUE,0,30);
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| IndicatorSetDouble(INDICATOR_LEVELVALUE,1,70);
|
| //--- set maximum and minimum for subwindow
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| IndicatorSetDouble(INDICATOR_MINIMUM,0);
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| IndicatorSetDouble(INDICATOR_MAXIMUM,100);
|
| //--- set first bar from which index will be drawn
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| PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,InpSlowPeriod-1);
|
| //--- name for DataWindow and indicator subwindow label
|
| string short_name=StringFormat("UOS(%d,%d,%d)",InpFastPeriod,InpMiddlePeriod,InpSlowPeriod);
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| IndicatorSetString(INDICATOR_SHORTNAME,short_name);
|
| //--- get handles
|
| ExtFastATRhandle=iATR(Symbol(),0,InpFastPeriod);
|
| ExtMiddleATRhandle=iATR(Symbol(),0,InpMiddlePeriod);
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| ExtSlowATRhandle=iATR(Symbol(),0,InpSlowPeriod);
|
| //---
|
| ExtDivider=InpFastK+InpMiddleK+InpSlowK;
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| ExtMaxPeriod=InpSlowPeriod;
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| if(ExtMaxPeriod<InpMiddlePeriod)
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| ExtMaxPeriod=InpMiddlePeriod;
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| if(ExtMaxPeriod<InpFastPeriod)
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| ExtMaxPeriod=InpFastPeriod;
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Ultimate Oscillator |
|
| //+------------------------------------------------------------------+
|
| int OnCalculate(const int rates_total,
|
| const int prev_calculated,
|
| const datetime &time[],
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| const double &open[],
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| const double &high[],
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| const double &low[],
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| const double &close[],
|
| const long &tick_volume[],
|
| const long &volume[],
|
| const int &spread[])
|
| {
|
| if(rates_total<ExtMaxPeriod)
|
| return(0);
|
| //--- not all data may be calculated
|
| int calculated=BarsCalculated(ExtFastATRhandle);
|
| if(calculated<rates_total)
|
| {
|
| Print("Not all data of ExtFastATRhandle is calculated (",calculated," bars). Error ",GetLastError());
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| return(0);
|
| }
|
| calculated=BarsCalculated(ExtMiddleATRhandle);
|
| if(calculated<rates_total)
|
| {
|
| Print("Not all data of ExtMiddleATRhandle is calculated (",calculated," bars). Error ",GetLastError());
|
| return(0);
|
| }
|
| calculated=BarsCalculated(ExtSlowATRhandle);
|
| if(calculated<rates_total)
|
| {
|
| Print("Not all data of ExtSlowATRhandle is calculated (",calculated," bars). Error ",GetLastError());
|
| return(0);
|
| }
|
| //--- we can copy not all data
|
| int to_copy;
|
| if(prev_calculated>rates_total || prev_calculated<0)
|
| to_copy=rates_total;
|
| else
|
| {
|
| to_copy=rates_total-prev_calculated;
|
| if(prev_calculated>0)
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| to_copy++;
|
| }
|
| //--- get ATR buffers
|
| if(IsStopped()) // checking for stop flag
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| return(0);
|
| if(CopyBuffer(ExtFastATRhandle,0,0,to_copy,ExtFastATRBuffer)<=0)
|
| {
|
| Print("getting ExtFastATRhandle is failed! Error ",GetLastError());
|
| return(0);
|
| }
|
| if(IsStopped()) // checking for stop flag
|
| return(0);
|
| if(CopyBuffer(ExtMiddleATRhandle,0,0,to_copy,ExtMiddleATRBuffer)<=0)
|
| {
|
| Print("getting ExtMiddleATRhandle is failed! Error ",GetLastError());
|
| return(0);
|
| }
|
| if(IsStopped()) // checking for stop flag
|
| return(0);
|
| if(CopyBuffer(ExtSlowATRhandle,0,0,to_copy,ExtSlowATRBuffer)<=0)
|
| {
|
| Print("getting ExtSlowATRhandle is failed! Error ",GetLastError());
|
| return(0);
|
| }
|
| //--- preliminary calculations
|
| int i,start;
|
| if(prev_calculated==0)
|
| {
|
| ExtBPBuffer[0]=0.0;
|
| ExtUOBuffer[0]=0.0;
|
| //--- set value for first InpSlowPeriod bars
|
| for(i=1; i<=InpSlowPeriod; i++)
|
| {
|
| ExtUOBuffer[i]=0.0;
|
| double true_low=MathMin(low[i],close[i-1]);
|
| ExtBPBuffer[i]=close[i]-true_low;
|
| }
|
| //--- now we are going to calculate from start index in main loop
|
| start=InpSlowPeriod+1;
|
| }
|
| else
|
| start=prev_calculated-1;
|
| //--- the main loop of calculations
|
| for(i=start; i<rates_total && !IsStopped(); i++)
|
| {
|
| double true_low=MathMin(low[i],close[i-1]);
|
| ExtBPBuffer[i]=close[i]-true_low; // buying pressure
|
|
|
| if(ExtFastATRBuffer[i]!=0.0 &&
|
| ExtMiddleATRBuffer[i]!=0.0 &&
|
| ExtSlowATRBuffer[i]!=0.0)
|
| {
|
| double raw_uo=InpFastK*SimpleMA(i,InpFastPeriod,ExtBPBuffer)/ExtFastATRBuffer[i]+
|
| InpMiddleK*SimpleMA(i,InpMiddlePeriod,ExtBPBuffer)/ExtMiddleATRBuffer[i]+
|
| InpSlowK*SimpleMA(i,InpSlowPeriod,ExtBPBuffer)/ExtSlowATRBuffer[i];
|
| ExtUOBuffer[i]=raw_uo/ExtDivider*100;
|
| }
|
| else
|
| ExtUOBuffer[i]=ExtUOBuffer[i-1]; // set current Ultimate value as previous Ultimate value
|
| }
|
| //--- OnCalculate done. Return new prev_calculated.
|
| return(rates_total);
|
| }
|
| //+------------------------------------------------------------------+
|
