Stopreversal

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

//|                                                 Stopreversal.mq5 |

//|                                          Copyright 2012, Dominic |

//|                                http://www.forex-instruments.info |

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

#property copyright "Copyright 2012, Dominic"

#property link      "dr_richard_gaines@yahoo.com"

//--- =><5@ 25@A88 8=48:0B>@0

#property version   "1.00"

//--- >B@8A>2:0 8=48:0B>@0 2 3;02=>< >:=5

#property indicator_chart_window 

//--- 4;O @0AG5B0 8 >B@8A>2:8 8=48:0B>@0 8A?>;L7>20=> 420 1CD5@0

#property indicator_buffers 2

//--- 8A?>;L7>20=> 2A53> 420 3@0D8G5A:8E ?>AB@>5=8O

#property indicator_plots   2

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

//|  0@0<5B@K >B@8A>2:8 <54256L53> 8=48:0B>@0   |

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

//--- >B@8A>2:0 8=48:0B>@0 1 2 2845 A8<2>;0

#property indicator_type1   DRAW_ARROW

//--- 2 :0G5AB25 F25B0 <54256L59 ;8=88 8=48:0B>@0 8A?>;L7>20= @>7>2K9 F25B

#property indicator_color1  clrMagenta

//--- B>;I8=0 ;8=88 8=48:0B>@0 1 @02=0 5

#property indicator_width1  5

//--- >B>1@065=85 1KG59 <5B:8 8=48:0B>@0

#property indicator_label1  "Stopreversal Sell"

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

//|  0@0<5B@K >B@8A>2:8 1KGL3> 8=48:0B>@0       |

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

//--- >B@8A>2:0 8=48:0B>@0 2 2 2845 A8<2>;0

#property indicator_type2   DRAW_ARROW

//--- 2 :0G5AB25 F25B0 1KG59 ;8=88 8=48:0B>@0 8A?>;L7>20= A8=89 F25B

#property indicator_color2  clrBlue

//--- B>;I8=0 ;8=88 8=48:0B>@0 2 @02=0 5

#property indicator_width2  5

//--- >B>1@065=85 <54256L59 <5B:8 8=48:0B>@0

#property indicator_label2 "Stopreversal Buy"

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

//|  >1JO2;5=85 :>=AB0=B                         |

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

#define RESET  0 // >=AB0=B0 4;O 2>72@0B0 B5@<8=0;C :><0=4K =0 ?5@5AGQB 8=48:0B>@0

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

//|  >1JO2;5=85 ?5@5G8A;5=89                     |

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

enum ENUM_APPLIED_PRICE_ //"8? :>=AB0=BK

  {

   PRICE_CLOSE_ = 1,     //PRICE_CLOSE

   PRICE_OPEN_,          //PRICE_OPEN

   PRICE_HIGH_,          //PRICE_HIGH

   PRICE_LOW_,           //PRICE_LOW

   PRICE_MEDIAN_,        //PRICE_MEDIAN

   PRICE_TYPICAL_,       //PRICE_TYPICAL

   PRICE_WEIGHTED_,      //PRICE_WEIGHTED

   PRICE_SIMPL_,         //PRICE_SIMPL_

   PRICE_QUARTER_,       //PRICE_QUARTER_

   PRICE_TRENDFOLLOW0_,  //PRICE_TRENDFOLLOW0_

   PRICE_TRENDFOLLOW1_,  // TrendFollow_2 Price 

   PRICE_DEMARK_         // Demark Price 

  };

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

//| E>4=K5 ?0@0<5B@K 8=48:0B>@0                 |

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

input double nPips=0.004;

input ENUM_APPLIED_PRICE_ IPC=PRICE_CLOSE_;       // F5=>20O :>=AB0=B0

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

//--- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 2 40;L=59H5< 1C4CB 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double SellBuffer[],BuyBuffer[];

//---

int ATR_Handle,min_rates_total;

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

//| Custom indicator initialization function                         |

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

int OnInit()

  {

//--- 8=8F80;870F8O 3;>10;L=KE ?5@5<5==KE 

   int ATR_Period=15;

   min_rates_total=int(MathMax(2,ATR_Period))+1;

//--- ?>;CG5=85 E5=4;0 8=48:0B>@0 ATR

   ATR_Handle=iATR(NULL,0,ATR_Period);

   if(ATR_Handle==INVALID_HANDLE)

     {

      Print(" 5 C40;>AL ?>;CG8BL E5=4; 8=48:0B>@0 ATR");

      return(INIT_FAILED);

     }

//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(0,SellBuffer,INDICATOR_DATA);

//--- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0 1

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

//--- A8<2>; 4;O 8=48:0B>@0

   PlotIndexSetInteger(0,PLOT_ARROW,238);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(SellBuffer,true);

//--- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(1,BuyBuffer,INDICATOR_DATA);

//--- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0 2

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

//--- A8<2>; 4;O 8=48:0B>@0

   PlotIndexSetInteger(1,PLOT_ARROW,236);

//--- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(BuyBuffer,true);

//--- #AB0=>2:0 D>@<0B0 B>G=>AB8 >B>1@065=8O 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//--- 8<O 4;O >:>= 40==KE 8 <5B:0 4;O ?>4>:>= 

   string short_name="Stopreversal";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//---   

   return(INIT_SUCCEEDED);

  }

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

//| 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[])

  {

//--- ?@>25@:0 :>;8G5AB20 10@>2 =0 4>AB0B>G=>ABL 4;O @0AG5B0

   if(BarsCalculated(ATR_Handle)<rates_total || rates_total<min_rates_total) return(RESET);



//--- >1JO2;5=8O ;>:0;L=KE ?5@5<5==KE 

   int to_copy,limit,bar;

   double ATR[],price,price_prev,TrStopLevel;

   static double PREV;



//--- @0AG5BK =5>1E>48<>3> :>;8G5AB20 :>?8@C5<KE 40==KE 8

//AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AG5B0 10@>2

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AG5B0 8=48:0B>@0

     {

      limit=rates_total-min_rates_total; // AB0@B>2K9 =><5@ 4;O @0AG5B0 2A5E 10@>2

      PREV=NULL;

     }

   else

     {

      limit=rates_total-prev_calculated; // AB0@B>2K9 =><5@ 4;O @0AG5B0 =>2KE 10@>2

     }

   to_copy=limit+1;

//--- :>?8@C5< 2=>2L ?>O282H85AO 40==K5 2 <0AA82 ATR[]

   if(CopyBuffer(ATR_Handle,0,0,to_copy,ATR)<=0) return(RESET);

//--- 8=45:A0F8O M;5<5=B>2 2 <0AA820E :0: 2 B09<A5@8OE  

   ArraySetAsSeries(ATR,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(open,true);

   ArraySetAsSeries(close,true);



//--- >A=>2=>9 F8:; @0AG5B0 8=48:0B>@0

   for(bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      BuyBuffer[bar]=NULL;

      SellBuffer[bar]=NULL;

      price=PriceSeries(IPC,bar,open,low,high,close);

      price_prev=PriceSeries(IPC,bar+1,open,low,high,close);

      

      if(price==PREV) TrStopLevel=PREV;

      else

        {

         if(price_prev<PREV && price<PREV) TrStopLevel=MathMin(PREV,price*(1+nPips));

         else

           {

            if(price_prev>PREV && price>PREV) TrStopLevel=MathMax(PREV,price*(1-nPips));

            else

              {

               if(price>PREV) TrStopLevel=price*(1-nPips);

               else TrStopLevel=price*(1+nPips);

              }

           }

        }



      if(price>TrStopLevel && price_prev<PREV && PREV) BuyBuffer[bar]=low[bar]-ATR[bar]*1/3;

      if(price<TrStopLevel && price_prev>PREV && PREV) SellBuffer[bar]=high[bar]+ATR[bar]*1/3;           

      //---

      if(bar) PREV=TrStopLevel;

     }

//---     

   return(rates_total);

  }

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

//| >;CG5=85 7=0G5=8O F5=>2>9 B09<A5@88                             |

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

double PriceSeries

(

 uint applied_price,// &5=>20O :>=AB0=B0

 uint   bar,// =45:A A42830 >B=>A8B5;L=> B5:CI53> 10@0 =0 C:070==>5 :>;8G5AB2> ?5@8>4>2 =0704 8;8 2?5@Q4).

 const double &Open[],

 const double &Low[],

 const double &High[],

 const double &Close[]

 )

//PriceSeries(applied_price, bar, open, low, high, close)

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

  {

//----

   switch(applied_price)

     {

      //---- &5=>2K5 :>=AB0=BK 87 ?5@5G8A;5=8O ENUM_APPLIED_PRICE

      case  PRICE_CLOSE: return(Close[bar]);

      case  PRICE_OPEN: return(Open [bar]);

      case  PRICE_HIGH: return(High [bar]);

      case  PRICE_LOW: return(Low[bar]);

      case  PRICE_MEDIAN: return((High[bar]+Low[bar])/2.0);

      case  PRICE_TYPICAL: return((Close[bar]+High[bar]+Low[bar])/3.0);

      case  PRICE_WEIGHTED: return((2*Close[bar]+High[bar]+Low[bar])/4.0);



      //----                            

      case  8: return((Open[bar] + Close[bar])/2.0);

      case  9: return((Open[bar] + Close[bar] + High[bar] + Low[bar])/4.0);

      //----                                

      case 10:

        {

         if(Close[bar]>Open[bar])return(High[bar]);

         else

           {

            if(Close[bar]<Open[bar])

               return(Low[bar]);

            else return(Close[bar]);

           }

        }

      //----         

      case 11:

        {

         if(Close[bar]>Open[bar])return((High[bar]+Close[bar])/2.0);

         else

           {

            if(Close[bar]<Open[bar])

               return((Low[bar]+Close[bar])/2.0);

            else return(Close[bar]);

           }

         break;

        }

      //----         

      case 12:

        {

         double res=High[bar]+Low[bar]+Close[bar];

         if(Close[bar]<Open[bar]) res=(res+Low[bar])/2;

         if(Close[bar]>Open[bar]) res=(res+High[bar])/2;

         if(Close[bar]==Open[bar]) res=(res+Close[bar])/2;

         return(((res-Low[bar])+(res-High[bar]))/2);

        }

      //----

      default: return(Close[bar]);

     }

//----

//return(0);

  }

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