BOLINGER BAND SQUEEZE

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

//|             BOLLINGER BAND SQUEEZE                                   |

//|             http://algorithmic-trading-ea-mt4.000webhostapp.com/ |

//|                                                    AHARON TZADIK |

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

#property copyright   "AHARON TZADIK"

#property link        "http://algorithmic-trading-ea-mt4.000webhostapp.com/"

#property version     "1.00"

#property strict







extern bool   Use_TP_In_Money=false;

extern double TP_In_Money=10;

extern bool   Use_TP_In_percent=false;

extern double TP_In_Percent=10;

//--------------------------------------------------------------------

/////////////////////////////////////////////////////////////////////////////////

input    string               txt32                    = "------------[Money Trailing Stop]---------------"; //                                           

input    bool                 Enable_Trailing           = true; //Enable_Trailing

input    double               Take_Profit_Money       = 40.0; //Take Profit In Money (in current currency)

input    double               Stop_Loss_Money         = 10; //Stop Loss In Money(in current currency)

/////////////////////////////////////////////////////////////////////////////////

//---------------------------------------------------------------------------------

//--------------------------------------------------------------------

extern double      Diff=1.1;          //size of squeeze

extern int         CandlesToRetrace=10;    //Num.Of Candles For Comparison

extern double      Lots=0.01;              //Lots size

extern double      LotExponent = 1.44;     //Lots size Exponent

input  double      MaximumRisk   =0.02;

//input  double      DecreaseFactor=3;

extern double      IncreaseFactor=0.001;   //IncreaseFactor

extern double      Stop_Loss=20;           //Stop Loss

input double       Take_Profit=50;          //TakeProfit

extern int         MagicNumber=1234;       //MagicNumber



extern int         FastMA=6;               //FastMA

extern int         SlowMA=85;              //SlowMA

extern double      Distance=5;             //Distance

extern double      Mom_Sell=0.3;           //Momentum_Sell

extern double      Mom_Buy=0.3;            //Momentum_Buy

input int          Max_Trades=10;

extern double      TrailingStop=40;        //TrailingStop

extern bool        USEMOVETOBREAKEVEN=true;//Enable "no loss"

extern double      WHENTOMOVETOBE=10;      //When to move break even

extern double      PIPSTOMOVESL=5;         //How much pips to move sl

bool               FractalsUp=false;

bool               FractalsDown=false;

double             FractalsUpPrice=0;

double             FractalsDownPrice=0;

int                FractalsLimit=200;

int           err;

int total=0;

double

Lot,Dmax,Dmin,// Amount of lots in a selected order

    Lts,                             // Amount of lots in an opened order

    Min_Lot,                         // Minimal amount of lots

    Step,                            // Step of lot size change

    Free,                            // Current free margin

    One_Lot,                         // Price of one lot

    Price,                           // Price of a selected order,

    pips,

    MA_1,MA_2,MA_3,MACD_SIGNAL;

int Type,freeze_level,Spread;

//--- price levels for orders and positions

double priceopen,stoploss,takeprofit;

//--- ticket of the current order

int orderticket;

int INDEX2=0;

double PROFIT_SUM1=0;

double PROFIT_SUM2=0;

//------------------------

//--------------------------------------------------------------- 3 --

int

Period_MA_2,  Period_MA_3,       // Calculation periods of MA for other timefr.

              Period_MA_02, Period_MA_03,      // Calculation periods of supp. MAs

              K2,K3,T;

//---



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

//| Expert initialization function                                   |

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

int OnInit()

  {



//--------------------------------------------------------------- 5 --

   switch(Period())                 // Calculating coefficient for..

     {

      // .. different timeframes

      case     1:

         K2=5;

         K3=15;

         T=PERIOD_M15;

         break;// Timeframe M1

      case     5:

         K2=3;

         K3= 6;

         T=PERIOD_M30;

         break;// Timeframe M5

      case    15:

         K2=2;

         K3= 4;

         T=PERIOD_H1;

         break;// Timeframe M15

      case    30:

         K2=2;

         K3= 8;

         T=PERIOD_H4;

         break;// Timeframe M30

      case    60:

         K2=4;

         K3=24;

         T=PERIOD_D1;

         break;// Timeframe H1

      case   240:

         K2=6;

         K3=42;

         T=PERIOD_W1;

         break;// Timeframe H4

      case  1440:

         K2=7;

         K3=30;

         T=PERIOD_MN1;

         break;// Timeframe D1

      case 10080:

         K2=4;

         K3=12;

         break;// Timeframe W1

      case 43200:

         K2=3;

         K3=12;

         break;// Timeframe MN

     }



   double ticksize=MarketInfo(Symbol(),MODE_TICKSIZE);

   if(ticksize==0.00001 || ticksize==0.001)

      pips=ticksize*10;

   else

      pips=ticksize;

   return(INIT_SUCCEEDED);

//--- distance from the activation price, within which it is not allowed to modify orders and positions

   freeze_level=(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_FREEZE_LEVEL);

   if(freeze_level!=0)

     {

      PrintFormat("SYMBOL_TRADE_FREEZE_LEVEL=%d: order or position modification is not allowed,"+

                  " if there are %d points to the activation price",freeze_level,freeze_level);

     }



//---

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

  }

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

//|                                                                  |

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

void OnTick(void)

  {

   if(Use_TP_In_Money)

     { Take_Profit_In_Money();}

   if(Use_TP_In_percent)

     { Take_Profit_In_percent();}

   if(Enable_Trailing==true)

     {TRAIL_PROFIT_IN_MONEY2();}

   stop();

   if(USEMOVETOBREAKEVEN)

      MOVETOBREAKEVEN();

   Trail1();

   int   ticket=0;

// Check for New Bar (Compatible with both MQL4 and MQL5)

   static datetime dtBarCurrent=WRONG_VALUE;

   datetime dtBarPrevious=dtBarCurrent;

   dtBarCurrent=(datetime) SeriesInfoInteger(_Symbol,_Period,SERIES_LASTBAR_DATE);

   bool NewBarFlag=(dtBarCurrent!=dtBarPrevious);

// initial data checks

// it is important to make sure that the expert works with a normal

// chart and the user did not make any mistakes setting external

// variables (Lots, StopLoss, TakeProfit,

// TrailingStop) in our case, we check TakeProfit

// on a chart of less than 100 bars

//---

   if(Bars<100)

     {

      Print("bars less than 100");

      return;

     }

   if(Take_Profit<10)

     {

      Print("TakeProfit less than 10");

      return;

     }

//--- to simplify the coding and speed up access data are put into internal variables

   HideTestIndicators(true);

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

   double middleBB=iBands(Symbol(),0,20, 2,0,0,MODE_MAIN,1);//middle

   double lowerBB=iBands(Symbol(),0,20, 2,0,0,MODE_LOWER,1);//lower

   double upperBB=iBands(Symbol(),0,20, 2,0,0,MODE_UPPER,1);//upper

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

   double  MacdMAIN=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,1);

   double  MacdSIGNAL=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);

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

   double  MA_1_t=iMA(NULL,0,FastMA,0,MODE_LWMA,PRICE_TYPICAL,0); // _1

   double MA_2_t=iMA(NULL,0,SlowMA,0,MODE_LWMA,PRICE_TYPICAL,0); // _2

//--------------------------------------------------------------------------------------------------

//--------------------------------------------------------------------------------------------------

   double   MomLevelB=MathAbs(100-iMomentum(NULL,T,14,PRICE_CLOSE,1));

   double   MomLevelB1=MathAbs(100 - iMomentum(NULL,T,14,PRICE_CLOSE,2));

   double   MomLevelB2=MathAbs(100 - iMomentum(NULL,T,14,PRICE_CLOSE,3));

   double   MomLevelS=MathAbs(iMomentum(NULL,T,14,PRICE_CLOSE,1)-100);

   double   MomLevelS1=MathAbs(iMomentum(NULL,T,14,PRICE_CLOSE,2)-100);

   double   MomLevelS2=MathAbs(iMomentum(NULL,T,14,PRICE_CLOSE,3)-100);

//--------------------------------------------------------------------------------------------------

//--------------------------------------------------------------------------------------------------

   double    Mom=iMomentum(NULL,0,14,PRICE_CLOSE,1);

   double    Mom1=iMomentum(NULL,0,14,PRICE_CLOSE,2);

//--------------------------------------------------------------------------------------------------

//--------------------------------------------------------------------------------------------------

   double  MacdMAIN0=iMACD(NULL,PERIOD_MN1,12,26,9,PRICE_CLOSE,MODE_MAIN,1);

   double  MacdSIGNAL0=iMACD(NULL,PERIOD_MN1,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);

   HideTestIndicators(false);

//--------------------------------------------------------------------------------------------------

   double  LOT = Lots * MathPow(LotExponent, CountTrades());

   if(CountTrades()<Max_Trades)



     {

      //--- no opened orders identified

      if(AccountFreeMargin()<(1000*Lots))

        {

         Print("We have no money. Free Margin = ",AccountFreeMargin());

         return;

        }

      if(NewBarFlag)

        {

         //--- check for long position (BUY) possibility

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

         //| BUY                      BUY                 BUY                 |

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

         // if(Volume[0]>1) return;{

         if((MacdMAIN>0 && MacdMAIN>MacdSIGNAL) || (MacdMAIN<0 && MathAbs(MacdMAIN>MacdSIGNAL)))

            if(BBS()==1)

               if(MA_1_t>MA_2_t)

                  if(MomLevelB>Mom_Buy || MomLevelB1>Mom_Buy || MomLevelB2>Mom_Buy)

                     if((MacdMAIN0>0 && MacdMAIN0>MacdSIGNAL0) || (MacdMAIN0<0 && MacdMAIN0>MacdSIGNAL0))

                       {

                        if(NewBarFlag)

                           if((CheckVolumeValue(LotsOptimized(LOT)))==TRUE)

                              if((CheckMoneyForTrade(Symbol(),LotsOptimized(LOT),OP_BUY))==TRUE)

                                 if((CheckStopLoss_Takeprofit(OP_BUY,NDTP(Bid-Stop_Loss*pips),NDTP(Bid+Take_Profit*pips)))==TRUE)

                                    ticket=OrderSend(Symbol(),OP_BUY,LotsOptimized(LOT),ND(Ask),3,NDTP(Bid-Stop_Loss*pips),NDTP(Bid+Take_Profit*pips),"Long 1",MagicNumber,0,PaleGreen);

                        if(ticket>0)

                          {

                           if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES))

                              Print("BUY order opened : ",OrderOpenPrice());

                           Alert("we just got a buy signal on the ",_Period,"M",_Symbol);

                           SendNotification("we just got a buy signal on the1 "+(string)_Period+"M"+_Symbol);

                           SendMail("Order sent successfully","we just got a buy signal on the1 "+(string)_Period+"M"+_Symbol);

                          }

                        else

                           Print("Error opening BUY order : ",GetLastError());

                        return;

                       }

         //--- check for short position (SELL) possibility

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

         //| SELL             SELL                       SELL                 |

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

         if((MacdMAIN>0 && MacdMAIN<MacdSIGNAL) || (MacdMAIN<0 && MathAbs(MacdMAIN<MacdSIGNAL)))

            if(BBS()==1)

               if(MA_1_t<MA_2_t)

                  if(MomLevelS>Mom_Sell || MomLevelS1>Mom_Sell || MomLevelS2>Mom_Sell)

                     if((MacdMAIN0>0 && MacdMAIN0<MacdSIGNAL0) || (MacdMAIN0<0 && MacdMAIN0<MacdSIGNAL0))

                       {

                        if(NewBarFlag)

                           if((CheckVolumeValue(LotsOptimized(LOT)))==TRUE)

                              if((CheckMoneyForTrade(Symbol(),LotsOptimized(LOT),OP_SELL))==TRUE)

                                 if((CheckStopLoss_Takeprofit(OP_SELL,NDTP(Ask+Stop_Loss*pips),NDTP(Ask-Take_Profit*pips)))==TRUE)

                                    ticket=OrderSend(Symbol(),OP_SELL,LotsOptimized(LOT),ND(Bid),3,NDTP(Ask+Stop_Loss*pips),NDTP(Ask-Take_Profit*pips),"Short 1",MagicNumber,0,Red);

                        if(ticket>0)

                          {

                           if(OrderSelect(ticket,SELECT_BY_TICKET,MODE_TRADES))

                              Print("SELL order opened : ",OrderOpenPrice());

                           Alert("we just got a sell signal on the ",_Period,"M",_Symbol);

                           SendMail("Order sent successfully","we just got a sell signal on the "+(string)_Period+"M"+_Symbol);

                          }

                        else

                           Print("Error opening SELL order : ",GetLastError());

                       }

         //--- exit from the "no opened orders" block

         return;

        }

     }

  }

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

//|   stop                                                           |

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

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

void stop()

  {

   int cnt;

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

   double middleBB=iBands(Symbol(),0,20, 2,0,0,MODE_MAIN,1);//middle

   double lowerBB=iBands(Symbol(),0,20, 2,0,0,MODE_LOWER,1);//lower

   double upperBB=iBands(Symbol(),0,20, 2,0,0,MODE_UPPER,1);//upper

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

   double  MacdMAIN=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,1);

   double  MacdSIGNAL=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);

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

   for(cnt=0; cnt<total; cnt++)

     {

      if(!OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES))

         continue;

      if(OrderType()<=OP_SELL &&   // check for opened position

         OrderSymbol()==Symbol())  // check for symbol

        {

         //--- long position is opened

         if(OrderType()==OP_BUY)

           {

            //--- should it be closed?



            if(Close[1]==upperBB)

               exitbuys();

            //--- check for trailing stop

           }

         else // go to short position

           {

            //--- should it be closed?



            if(Close[1]==lowerBB)

               exitsells();

            //--- check for trailing stop

           }

        }

     }

  }

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

//| Trailing stop loss                                               |

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

// --------------- ----------------------------------------------------------- ------------------------

void Trail1()

  {

   total=OrdersTotal();

//--- it is important to enter the market correctly, but it is more important to exit it correctly...

   for(int cnt=0; cnt<total; cnt++)

     {

      if(!OrderSelect(cnt,SELECT_BY_POS,MODE_TRADES))

         continue;

      if(OrderType()<=OP_SELL &&   // check for opened position

         OrderSymbol()==Symbol())  // check for symbol

        {

         //--- long position is opened

         if(OrderType()==OP_BUY)

           {



            //--- check for trailing stop

            if(TrailingStop>0)

              {

               if(Bid-OrderOpenPrice()>pips*TrailingStop)

                 {

                  if(OrderStopLoss()<Bid-pips*TrailingStop)

                    {



                     RefreshRates();

                     stoploss=Bid-(pips*TrailingStop);

                     takeprofit=OrderTakeProfit()+pips*TrailingStop;

                     double StopLevel=MarketInfo(Symbol(),MODE_STOPLEVEL)+MarketInfo(Symbol(),MODE_SPREAD);

                     if(stoploss<StopLevel*pips)

                        stoploss=StopLevel*pips;

                     string symbol=OrderSymbol();

                     double point=SymbolInfoDouble(symbol,SYMBOL_POINT);

                     if(MathAbs(OrderStopLoss()-stoploss)>point)

                        if((pips*TrailingStop)>(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_FREEZE_LEVEL)*pips)



                           //--- modify order and exit

                           if(CheckStopLoss_Takeprofit(OP_BUY,stoploss,takeprofit))

                              if(OrderModifyCheck(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit))

                                 if(!OrderModify(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit,0,Green))

                                    Print("OrderModify error ",GetLastError());

                     return;

                    }

                 }

              }

           }

         else // go to short position

           {

            //--- check for trailing stop

            if(TrailingStop>0)

              {

               if((OrderOpenPrice()-Ask)>(pips*TrailingStop))

                 {

                  if((OrderStopLoss()>(Ask+pips*TrailingStop)) || (OrderStopLoss()==0))

                    {



                     RefreshRates();

                     stoploss=Ask+(pips*TrailingStop);

                     takeprofit=OrderTakeProfit()-pips*TrailingStop;

                     double StopLevel=MarketInfo(Symbol(),MODE_STOPLEVEL)+MarketInfo(Symbol(),MODE_SPREAD);

                     if(stoploss<StopLevel*pips)

                        stoploss=StopLevel*pips;

                     if(takeprofit<StopLevel*pips)

                        takeprofit=StopLevel*pips;

                     string symbol=OrderSymbol();

                     double point=SymbolInfoDouble(symbol,SYMBOL_POINT);

                     if(MathAbs(OrderStopLoss()-stoploss)>point)

                        if((pips*TrailingStop)>(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_FREEZE_LEVEL)*pips)



                           //--- modify order and exit

                           if(CheckStopLoss_Takeprofit(OP_SELL,stoploss,takeprofit))

                              if(OrderModifyCheck(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit))

                                 if(!OrderModify(OrderTicket(),OrderOpenPrice(),stoploss,takeprofit,0,Red))

                                    Print("OrderModify error ",GetLastError());

                     return;

                    }

                 }

              }

           }

        }

     }

  }

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

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

//|                          MOVE TO BREAK EVEN                               |

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

void MOVETOBREAKEVEN()



  {

   for(int b=OrdersTotal()-1; b>=0; b--)

     {

      if(OrderSelect(b,SELECT_BY_POS,MODE_TRADES))

         if(OrderMagicNumber()!=MagicNumber)

            continue;

      if(OrderSymbol()==Symbol())

         if(OrderType()==OP_BUY)

            if(Bid-OrderOpenPrice()>WHENTOMOVETOBE*pips)

               if(OrderOpenPrice()>OrderStopLoss())

                  if(!OrderModify(OrderTicket(),OrderOpenPrice(),OrderOpenPrice()+(PIPSTOMOVESL*pips),OrderTakeProfit(),0,CLR_NONE))

                     Print("eror");

     }



   for(int s=OrdersTotal()-1; s>=0; s--)

     {

      if(OrderSelect(s,SELECT_BY_POS,MODE_TRADES))

         if(OrderMagicNumber()!=MagicNumber)

            continue;

      if(OrderSymbol()==Symbol())

         if(OrderType()==OP_SELL)

            if(OrderOpenPrice()-Ask>WHENTOMOVETOBE*pips)

               if(OrderOpenPrice()<OrderStopLoss())

                  if(!OrderModify(OrderTicket(),OrderOpenPrice(),OrderOpenPrice()-(PIPSTOMOVESL*pips),OrderTakeProfit(),0,CLR_NONE))

                     Print("eror");

     }

  }

//--------------------------------------------------------------------------------------

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

int BBS()

  {

// double middleBB=iBands(Symbol(),0,20, 2,0,0,MODE_MAIN,1);//middle

// double lowerBB=iBands(Symbol(),0,20, 2,0,0,MODE_LOWER,1);//lower

// double upperBB=iBands(Symbol(),0,20, 2,0,0,MODE_UPPER,1);//upper

   for(int i=CandlesToRetrace; i>=0; i--)

     {

      if((iBands(Symbol(),0,20,2,0,0,MODE_UPPER,1)-iBands(Symbol(),0,20,2,0,0,MODE_LOWER,1))/

         iBands(Symbol(),0,20,2,0,0,MODE_MAIN,1)*100/

         (iBands(Symbol(),0,20,2,0,0,MODE_UPPER,i)-iBands(Symbol(),0,20,2,0,0,MODE_LOWER,i))/

         iBands(Symbol(),0,20,2,0,0,MODE_MAIN,i)*100>Diff)

        {

         return(1);

         Comment("we trade");

        }



      else

         return(0);

      Comment("we do not trade");

     }

   return(0);

  }

//return(0);

//}

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

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

//| Calculate optimal lot size buy                                   |

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

double LotsOptimized(double llots)

  {

   double lot=llots;

   int    orders=OrdersHistoryTotal();     // history orders total

   int    losses=0;                  // number of losses orders without a break

//--- calcuulate number of losses orders without a break

   if(IncreaseFactor>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())

            continue;

         //---

         if(OrderProfit()>0)

            break;

         if(OrderProfit()<0)

            losses++;

        }

      if(losses>1)

         // lot=NormalizeDouble(lot+lot*losses/IncreaseFactor,1);

         lot=AccountFreeMargin()*IncreaseFactor/1000.0;

     }

//--- minimal allowed volume for trade operations

   double minlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);

   if(lot<minlot)

     {

      lot=minlot;

      Print("Volume is less than the minimal allowed ,we use",minlot);

     }

// lot=minlot;



//--- maximal allowed volume of trade operations

   double maxlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);

   if(lot>maxlot)

     {

      lot=maxlot;

      Print("Volume is greater than the maximal allowed,we use",maxlot);

     }

// lot=maxlot;



//--- get minimal step of volume changing

   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

   int ratio=(int)MathRound(lot/volume_step);

   if(MathAbs(ratio*volume_step-lot)>0.0000001)

     {

      lot=ratio*volume_step;



      Print("Volume is not a multiple of the minimal step ,we use the closest correct volume ",ratio*volume_step);

     }

   return(lot);



  }

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

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

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

double NDTP(double val)

  {

   RefreshRates();

   double SPREAD=MarketInfo(Symbol(),MODE_SPREAD);

   double StopLevel=MarketInfo(Symbol(),MODE_STOPLEVEL);

   if(val<StopLevel*pips+SPREAD*pips)

      val=StopLevel*pips+SPREAD*pips;

// double STOPLEVEL = MarketInfo(Symbol(),MODE_STOPLEVEL);

//int Stops_level=(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_STOPS_LEVEL);



//if (Stops_level*pips<val-Bid)

//val=Ask+Stops_level*pips;

   return(NormalizeDouble(val, Digits));

// return(val);

  }

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

////////////////////////////////////////////////////////////////////////////////////

int getOpenOrders()

  {



   int Orders=0;

   for(int i=0; i<OrdersTotal(); i++)

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)

        {

         continue;

        }

      if(OrderSymbol()!=Symbol() || OrderMagicNumber()!=MagicNumber)

        {

         continue;

        }

      Orders++;

     }

   return(Orders);

  }

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

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

//| Checking the new values of levels before order modification      |

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

bool OrderModifyCheck(int ticket,double price,double sl,double tp)

  {

//--- select order by ticket

   if(OrderSelect(ticket,SELECT_BY_TICKET))

     {

      //--- point size and name of the symbol, for which a pending order was placed

      string symbol=OrderSymbol();

      double point=SymbolInfoDouble(symbol,SYMBOL_POINT);

      //--- check if there are changes in the Open price

      bool PriceOpenChanged=true;

      int type=OrderType();

      if(!(type==OP_BUY || type==OP_SELL))

        {

         PriceOpenChanged=(MathAbs(OrderOpenPrice()-price)>point);

        }

      //--- check if there are changes in the StopLoss level

      bool StopLossChanged=(MathAbs(OrderStopLoss()-sl)>point);

      //--- check if there are changes in the Takeprofit level

      bool TakeProfitChanged=(MathAbs(OrderTakeProfit()-tp)>point);

      //--- if there are any changes in levels

      if(PriceOpenChanged || StopLossChanged || TakeProfitChanged)

         return(true);  // order can be modified

      //--- there are no changes in the Open, StopLoss and Takeprofit levels

      else

         //--- notify about the error

         PrintFormat("Order #%d already has levels of Open=%.5f SL=%.5f TP=%.5f",

                     ticket,OrderOpenPrice(),OrderStopLoss(),OrderTakeProfit());

     }

//--- came to the end, no changes for the order

   return(false);       // no point in modifying

  }

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

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

bool CheckStopLoss_Takeprofit(ENUM_ORDER_TYPE type,double SL,double TP)

  {

//--- get the SYMBOL_TRADE_STOPS_LEVEL level

   int stops_level=(int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_STOPS_LEVEL);

   if(stops_level!=0)

     {

      PrintFormat("SYMBOL_TRADE_STOPS_LEVEL=%d: StopLoss and TakeProfit must"+

                  " not be nearer than %d points from the closing price",stops_level,stops_level);

     }

//---

   bool SL_check=false,TP_check=false;

//--- check only two order types

   switch(type)

     {

      //--- Buy operation

      case  ORDER_TYPE_BUY:

        {

         //--- check the StopLoss

         SL_check=(Bid-SL>stops_level*_Point);

         if(!SL_check)

            PrintFormat("For order %s StopLoss=%.5f must be less than %.5f"+

                        " (Bid=%.5f - SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),SL,Bid-stops_level*_Point,Bid,stops_level);

         //--- check the TakeProfit

         TP_check=(TP-Bid>stops_level*_Point);

         if(!TP_check)

            PrintFormat("For order %s TakeProfit=%.5f must be greater than %.5f"+

                        " (Bid=%.5f + SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),TP,Bid+stops_level*_Point,Bid,stops_level);

         //--- return the result of checking

         return(SL_check&&TP_check);

        }

      //--- Sell operation

      case  ORDER_TYPE_SELL:

        {

         //--- check the StopLoss

         SL_check=(SL-Ask>stops_level*_Point);

         if(!SL_check)

            PrintFormat("For order %s StopLoss=%.5f must be greater than %.5f "+

                        " (Ask=%.5f + SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),SL,Ask+stops_level*_Point,Ask,stops_level);

         //--- check the TakeProfit

         TP_check=(Ask-TP>stops_level*_Point);

         if(!TP_check)

            PrintFormat("For order %s TakeProfit=%.5f must be less than %.5f "+

                        " (Ask=%.5f - SYMBOL_TRADE_STOPS_LEVEL=%d points)",

                        EnumToString(type),TP,Ask-stops_level*_Point,Ask,stops_level);

         //--- return the result of checking

         return(TP_check&&SL_check);

        }

      break;

     }

//--- a slightly different function is required for pending orders

   return false;

  }

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



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

//|                                      exitbuys()                  |

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

void exitbuys()

  {

   double result;

   for(int i=OrdersTotal()-1; i>=0; i--)

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {

         if(OrderType()==OP_BUY && OrderSymbol()==Symbol() && OrderMagicNumber()==MagicNumber)

           {

            result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,clrNONE);

            if(result!=true)//if it did not close

              {

               err=GetLastError();

               Print("LastError = ",err);//get the reason why it didn't close

              }



           }

        }



     }

  }

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

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

//|                    exitsells()                                   |

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

void exitsells()

  {

   double result;

   for(int i=OrdersTotal()-1; i>=0; i--)

     {

      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

        {



         if(OrderType()==OP_SELL && OrderSymbol()==Symbol() && OrderMagicNumber()==MagicNumber)

           {

            result=OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),3,clrNONE);

            if(result!=true)//if it did not close

              {

               err=GetLastError();

               Print("LastError = ",err);//get the reason why it didn't close

              }



           }

        }



     }

  }

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

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

double ND(double val)

  {

   return(NormalizeDouble(val, Digits));

  }

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

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

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

//----------------------------------------- TP_In_Money -----------------------------------------------

void Take_Profit_In_Money()

  {

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

//|                                                                  |

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

   if((TP_In_Money != 0))

     {

      PROFIT_SUM1 = 0;

      for(int i=OrdersTotal(); i>0; i--)

        {

         if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

           {

            if(OrderSymbol()==Symbol())

              {

               if(OrderType() == OP_BUY || OrderType() == OP_SELL)

                 {

                  PROFIT_SUM1 = (PROFIT_SUM1 + OrderProfit());

                 }

              }

           }

        }

      if((PROFIT_SUM1 >= TP_In_Money))

        {

         RemoveAllOrders();

        }

     }

  }

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

//------------------------------------------------ TP_In_Percent -------------------------------------------------

double Take_Profit_In_percent()

  {

   if((TP_In_Percent != 0))

     {

      double TP_Percent = ((TP_In_Percent * AccountBalance()) / 100);

      double  PROFIT_SUM = 0;

      for(int i=OrdersTotal(); i>0; i--)

        {

         if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

           {

            if(OrderSymbol()==Symbol())

              {

               if(OrderType() == OP_BUY || OrderType() == OP_SELL)

                 {

                  PROFIT_SUM = (PROFIT_SUM + OrderProfit());

                 }

              }

           }

         if(PROFIT_SUM >= TP_Percent)

           {

            RemoveAllOrders();

           }

        }



     }

   return(0);

  }

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

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

//       CLOSE &&  Remove  All    Orders

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

void RemoveAllOrders()

  {

   for(int i = OrdersTotal() - 1; i >= 0 ; i--)

     {

      if(!OrderSelect(i,SELECT_BY_POS))

         Print("ERROR");

      if(OrderSymbol() != Symbol())

         continue;

      double price = MarketInfo(OrderSymbol(),MODE_ASK);

      if(OrderType() == OP_BUY)

         price = MarketInfo(OrderSymbol(),MODE_BID);

      if(OrderType() == OP_BUY || OrderType() == OP_SELL)

        {

         if(!OrderClose(OrderTicket(), OrderLots(),price,5))

            Print("ERROR");

        }

      else

        {

         if(!OrderDelete(OrderTicket()))

            Print("ERROR");

        }

      Sleep(100);

      int error = GetLastError();

      // if(error > 0)

      // Print("Unanticipated error: ", ErrorDescription(error));

      RefreshRates();

     }

  }

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

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

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

//|                                                                  |

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

int TRAIL_PROFIT_IN_MONEY2()

  {

// double TP_Percent = ((TP_In_Money * AccountBalance()) / 100);

// double SL_Percent = ((SL_In_Money * AccountBalance()) / 100);

   PROFIT_SUM1 = 0;

   PROFIT_SUM2 = 0;

   INDEX2 = 0;

   double PROFIT_SUM3 = 0;

   for(int j=OrdersTotal(); j>0; j--)

     {

      if(OrderSelect(j,SELECT_BY_POS,MODE_TRADES))

        {

         if(OrderSymbol()==Symbol())

           {

            if(OrderType() == OP_BUY || OrderType() == OP_SELL)

              {

               PROFIT_SUM1  = PROFIT_SUM1 + (OrderProfit() + OrderCommission() + OrderSwap());

               // Print("PROFIT_SUM1",PROFIT_SUM1);

              }

           }

        }

     }

   if(PROFIT_SUM1>= Take_Profit_Money)

      // Print("PROFIT_SUM1",PROFIT_SUM1);

     {



      for(int i=OrdersTotal(); i>0; i--)

        {

         if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))

           {

            if(OrderSymbol()==Symbol())

              {



               if(OrderType() == OP_BUY || OrderType() == OP_SELL)





                 {

                  PROFIT_SUM2  = PROFIT_SUM2 + (OrderProfit() + OrderCommission() + OrderSwap());

                 }

               if(PROFIT_SUM1>= PROFIT_SUM3)

                 {PROFIT_SUM3=PROFIT_SUM1;}

               if(PROFIT_SUM2<=PROFIT_SUM3-Stop_Loss_Money)

                  RemoveAllOrders();

              }

           }

        }



     }

// if(PROFIT_SUM2<=SL_In_Money)

//  RemoveAllOrders();

   return(0);

  }

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

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

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

int CountTrades()

  {

   int count=0;

   for(int trade=OrdersTotal()-1; trade>=0; trade--)

     {

      if(!OrderSelect(trade,SELECT_BY_POS,MODE_TRADES))

         Print("Error");

      if(OrderSymbol()!=Symbol() || OrderMagicNumber()!=MagicNumber)

         continue;

      if(OrderSymbol()==Symbol() && OrderMagicNumber()==MagicNumber)

         if(OrderType()==OP_SELL || OrderType()==OP_BUY)

            count++;

     }

   return (count);

  }

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

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

//| Check the correctness of the order volume                        |

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

bool CheckVolumeValue(double volume/*,string &description*/)



  {

   double lot=volume;

   int    orders=OrdersHistoryTotal();     // history orders total

   int    losses=0;                  // number of losses orders without a break

//--- select lot size

//--- maximal allowed volume of trade operations

   double max_volume=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MAX);

   if(lot>max_volume)



      Print("Volume is greater than the maximal allowed ,we use",max_volume);

//  return(false);



//--- minimal allowed volume for trade operations

   double minlot=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_MIN);

   if(lot<minlot)



      Print("Volume is less than the minimal allowed ,we use",minlot);

//  return(false);



//--- get minimal step of volume changing

   double volume_step=SymbolInfoDouble(Symbol(),SYMBOL_VOLUME_STEP);

   int ratio=(int)MathRound(lot/volume_step);

   if(MathAbs(ratio*volume_step-lot)>0.0000001)

     {

      Print("Volume is not a multiple of the minimal step ,we use, the closest correct volume is %.2f",

            volume_step,ratio*volume_step);

      //   return(false);

     }

//  description="Correct volume value";

   return(true);

  }

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

bool CheckMoneyForTrade(string symb,double lots,int type)

  {

   double free_margin=AccountFreeMarginCheck(symb,type,lots);

//-- if there is not enough money

   if(free_margin>0)

     {

      if((AccountStopoutMode()==1) &&

         (AccountFreeMarginCheck(symb,type,lots)<AccountStopoutLevel()))

        {

         Print("StopOut level  Not enough money ", type," ",lots," ",Symbol());

         return(false);

        }

      if(AccountEquity()-AccountFreeMarginCheck(Symbol(),type,lots)==0)

        {

         Print("StopOut level  Not enough money ", type," ",lots," ",Symbol());

         return(false);

        }

      if((AccountStopoutMode()==0) &&

         ((AccountEquity()/(AccountEquity()-AccountFreeMarginCheck(Symbol(),type,lots))*100)<AccountStopoutLevel()))

        {

         Print("StopOut level  Not enough money ", type," ",lots," ",Symbol());

         return(false);

        }

     }

   else

      if(free_margin<0)

        {

         string oper=(type==OP_BUY)? "Buy":"Sell";

         Print("Not enough money for ",oper," ",lots," ",symb," Error code=",GetLastError());

         return(false);

        }

//--- checking successful

   return(true);

  }

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