//+------------------------------------------------------------------+
//|                                                      Procent.mq4 |
//|                                              Copyright 2017, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict
#property indicator_chart_window

input double up=1.12;
input double dn=1.09;

input double pup1=11.5;
input double pup2=23.5;
input double pup3=35.5;

input double pdn1=10.5;
input double pdn2=23.5;
input double pdn3=45.5;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Горизонтальная линия                                             |
//+------------------------------------------------------------------+
void PutHLine(string name,double p,color clr)
  {
   ObjectDelete(0,name);
   ObjectCreate(0,name,OBJ_HLINE,0,0,p);
//--- установим цвет линии
   ObjectSetInteger(0,name,OBJPROP_COLOR,clr);
//--- установим толщину линии
   ObjectSetInteger(0,name,OBJPROP_WIDTH,1);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Procent(double p)
  {
   double proc=(up-dn)*p/100;
   return(proc);
  }
//+------------------------------------------------------------------+
//| 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[])
  {
//---
   PutHLine("up",up,Red);
   PutHLine("dn",dn,Blue);

   PutHLine("dn1",dn+Procent(pdn1),Blue);
   PutHLine("dn2",dn+Procent(pdn2),Blue);
   PutHLine("dn3",dn+Procent(pdn3),Blue);

   PutHLine("up1",up-Procent(pup1),Red);
   PutHLine("up2",up-Procent(pup2),Red);
   PutHLine("up3",up-Procent(pup3),Red);

//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+

Уважаемый АМ2, немного не понял, как он выстраивает проценты)

double Procent(double p)
  {
   double proc=(up-dn)*p/100;
   return(proc);
  }