Mql5 Bandas De Bollinger

// https://youtu.be/ldvZB72SoPs

int BandasdeBollinger=0;

int OnInit()
   {
   BandasdeBollinger=iBands(_Symbol,PERIOD_CURRENT,14,0,2,PRICE_CLOSE);
   return(0);
   }


void OnTick()
  {
   Comment( "B.Sup= ",IndicadorBandas(1),
            "\nMedia= ",IndicadorBandas(0),
            "\nB.Inf=  ",IndicadorBandas(2)
          );
   }

 double IndicadorBandas(int Buffer)
   {
    double BandasArray[];
    ArraySetAsSeries(BandasArray,true);
    CopyBuffer(BandasdeBollinger,Buffer,0,2,BandasArray);

    return(NormalizeDouble(BandasArray[1],_Digits));
   }