MQL5 Crear RSI

// https://www.youtube.com/watch?v=gwn4IpVA5DU

void OnTick()
  {

      Comment(MOMENTUM(1,14));

  }


double MOMENTUM(int posicion,int periodos)
  {
   double MOMENTUMArray[];
   CopyBuffer(iMomentum(_Symbol,PERIOD_CURRENT,periodos,PRICE_CLOSE),0,0,3,MOMENTUMArray);
   ArraySetAsSeries(MOMENTUMArray,true);

   return(NormalizeDouble(MOMENTUMArray[posicion],_Digits));
   }