V1-inter_L_many

//+------------------------------------------------------------------+
//|                                                      Starter.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"
#define MAGICMA  20050610

extern double Lots               = 1;
extern double MaximumRisk        = 0.1;
extern double DecreaseFactor     = 3;
//extern double Lots = 4;
extern double Stop = 1;
extern double MAPeriod=120;
double spread=1.5;
//+-- extern double JuiceLevel = 0.0005;

//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
//---- 
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
   
//----
   return(0);
  }

double LaGuerre(double gamma, int shift)
{
	double RSI;
	double L0[100];
	double L1[100];
	double L2[100];
	double L3[100];
	double CU, CD;

	for (int i=shift+99; i>=shift; i--)
	{
		L0[i] = (1.0 - gamma)*Close[i] + gamma*L0[i+1];
		L1[i] = -gamma*L0[i] + L0[i+1] + gamma*L1[i+1];
		L2[i] = -gamma*L1[i] + L1[i+1] + gamma*L2[i+1];
		L3[i] = -gamma*L2[i] + L2[i+1] + gamma*L3[i+1];

		CU = 0;
		CD = 0;
		if (L0[i] >= L1[i])  CU = L0[i] - L1[i];
		else 		 		CD = L1[i] - L0[i];
		
		if (L1[i] >= L2[i])  CU = CU + L1[i] - L2[i];
		else 		 		CD = CD + L2[i] - L1[i];
		if (L2[i] >= L3[i])  CU = CU + L2[i] - L3[i];
		else 		 		CD = CD + L3[i] - L2[i];

		if (CU + CD != 0)		RSI = CU / (CU + CD);
	}
   return(RSI);
}
 
//+------------------------------------------------------------------+
//| Calculate optimal lot size                                       |
//+------------------------------------------------------------------+
double LotsOptimized()
  {
   double lot=Lots;
   int    orders=HistoryTotal();     // history orders total
   int    losses=0;                  // number of losses orders without a break
//---- select lot size
   lot=NormalizeDouble(AccountFreeMargin()*MaximumRisk/500,1);
//---- calcuulate number of losses orders without a break
//   if(DecreaseFactor>0)
//    {
//      for(int i=orders-1;i>=0;i--)
//        {
//         if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY)==false) { Print("Error in history!"); break; }
//         if(OrderSymbol()!=Symbol() || OrderType()>OP_SELL) continue;
//         //----
//         if(OrderProfit()>0) break;
//         if(OrderProfit()<0) losses++;
//        }
//      if(losses>1) lot=NormalizeDouble(lot-lot*losses/DecreaseFactor,1);
//     }
//---- return lot size
   if(lot<1) lot=1;
   if(lot>100) lot=100;
   return(lot);
  }  
  
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
   double Laguerre;
   double Alpha;
   double MA, MAprevious;
   
//+--   double Juice;
   int cnt, ticket, total;
  
//  Laguerre=iCustom(NULL, 0, "Laguerre", 0, 0);
  Laguerre=LaGuerre(0.7, 0);
  Alpha=iCCI(NULL, 0, 14, PRICE_CLOSE, 0);
  MA=iMA(NULL,0,MAPeriod,0,MODE_EMA,PRICE_MEDIAN,0);
  MAprevious=iMA(NULL,0,MAPeriod,0,MODE_EMA,PRICE_MEDIAN,1);
//+--  Juice=iCustom(NULL,0,"Juice",0,0);
  
  total=OrdersTotal();
//   if(total<1) 
     {
      // no opened orders identified
      if(AccountFreeMargin()<(1000*Lots))
        {
         Print("We have no money. Free Margin = ", AccountFreeMargin());
         return(0);  
        }
      // check for long position (BUY) possibility
      if((Laguerre<=0) && (MA>MAprevious) && (Alpha<-5)) //+-- && Juice>JuiceLevel)
        {
        ticket=OrderSend(Symbol(),OP_BUY,LotsOptimized(),Ask,3,0,0,"starter",16384,0,Green);
        }
      // check for short position (SELL) possibility
      if((Laguerre>=1) && (MA<MAprevious) && (Alpha>5)) //+-- && Juice>JuiceLevel)
        {
         ticket=OrderSend(Symbol(),OP_SELL,LotsOptimized(),Bid,3,0,0,"starter",16384,0,Red);
        } 
     }
// it is important to enter the market correctly, 
   // but it is more important to exit it correctly...   
   for(cnt=0;cnt<total;cnt++)
     {
      OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
      if(OrderType()<=OP_SELL &&   // check for opened position 
         OrderSymbol()==Symbol())  // check for symbol
        {
         if(OrderType()==OP_BUY)   // long position is opened
           {
            // should it be closed?
            if(Laguerre>0.9)
                {
                 OrderClose(OrderTicket(),OrderLots(),Bid,3,Violet); // close position
                 return(0); // exit
                }
            // check for stop
            if(Stop>0)  
              {                 
               if(Bid-OrderOpenPrice()>Point*Stop)
                 {
                   OrderClose(OrderTicket(),OrderLots(),Bid,3,Violet); // close position
                   return(0);
                 }
              }
           }
         else // go to short position
           {
            // should it be closed?
            if(Laguerre<0.1)
              {
               OrderClose(OrderTicket(),OrderLots(),Ask,3,Violet); // close position
               return(0); // exit
              }
            // check for stop
            if(Stop>0)  
              {                 
               if(OrderOpenPrice()-Ask>Point*Stop)
                 {
                   OrderClose(OrderTicket(),OrderLots(),Ask,3,Violet); // close position
                   return(0);
                 }
              }
           }
        }
     }
     
   return(0);
  }
// the end.