MV_OBV

ÿþ//+------------------------------------------------------------------+

//|                                                       MV_OBV.mq5 |

//|                        Copyright 2018, MetaQuotes Software Corp. |

//|                                                 https://mql5.com |

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

#property copyright "Copyright 2018, MetaQuotes Software Corp."

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

#property version   "1.00"

#property description "MultiVote OBV Oscillator"

#property indicator_separate_window

#property indicator_buffers 4

#property indicator_plots   1

//--- plot MVOBV

#property indicator_label1  "MVOBV"

#property indicator_type1   DRAW_COLOR_LINE

#property indicator_color1  clrGreen,clrRed,clrDarkGray

#property indicator_style1  STYLE_SOLID

#property indicator_width1  1

//--- indicator buffers

double         BufferMVOBV[];

double         BufferColors[];

double         BufferUP[];

double         BufferDN[];

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

//| Custom indicator initialization function                         |

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

int OnInit()

  {

//--- indicator buffers mapping

   SetIndexBuffer(0,BufferMVOBV,INDICATOR_DATA);

   SetIndexBuffer(1,BufferColors,INDICATOR_COLOR_INDEX);

   SetIndexBuffer(2,BufferUP,INDICATOR_CALCULATIONS);

   SetIndexBuffer(3,BufferDN,INDICATOR_CALCULATIONS);

//--- setting indicator parameters

   IndicatorSetString(INDICATOR_SHORTNAME,"MultiVote OBV");

   IndicatorSetInteger(INDICATOR_DIGITS,0);

//--- setting buffer arrays as timeseries

   ArraySetAsSeries(BufferMVOBV,true);

   ArraySetAsSeries(BufferColors,true);

   ArraySetAsSeries(BufferUP,true);

   ArraySetAsSeries(BufferDN,true);

//---

   return(INIT_SUCCEEDED);

  }

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

//| 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[])

  {

//--- #AB0=>2:0 <0AA82>2 1CD5@>2 :0: B09<A5@89

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(close,true);

   ArraySetAsSeries(tick_volume,true);

//--- @>25@:0 8 @0AGQB :>;8G5AB20 ?@>AG8BK205<KE 10@>2

   if(rates_total<4) return 0;

//--- @>25@:0 8 @0AGQB :>;8G5AB20 ?@>AG8BK205<KE 10@>2

   int limit=rates_total-prev_calculated;

   if(limit>1)

     {

      limit=rates_total-2;

      ArrayInitialize(BufferMVOBV,EMPTY_VALUE);

      ArrayInitialize(BufferUP,0);

      ArrayInitialize(BufferDN,0);

     }

   

//---  0AGQB 8=48:0B>@0

   double hv=0,lv=0,cv=0,tv=0,obv=0;

   for(int i=limit; i>=0 && !IsStopped(); i--)

     {

      hv=(high[i]>high[i+1] ? 1 : high[i]<high[i+1] ? -1 : 0);

      lv=(low[i]>low[i+1] ? 1 : low[i]<low[i+1] ? -1 : 0);

      cv=(close[i]>close[i+1] ? 1 : close[i]<close[i+1] ? -1 : 0);

      tv=hv+lv+cv;



      BufferMVOBV[i]=(BufferUP[i+1]+BufferDN[i+1])+tick_volume[i]*tv;

      if(BufferMVOBV[i]>0)

        {

         BufferUP[i]=BufferMVOBV[i];

         BufferDN[i]=0;

         BufferColors[i]=0;

        }

      else

        {

         if(BufferMVOBV[i]<0)

           {

            BufferDN[i]=BufferMVOBV[i];

            BufferUP[i]=0;

            BufferColors[i]=1;

           }

         else

            BufferColors[i]=2;

        }

     }

   

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

   return(rates_total);

  }

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