//+------------------------------------------------------------------+
//|                                                   OptionsMap.mq5 |
//|                                                            Allan |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#include <Graphics\Graphic.mqh>
#define SWAP(A, B) { A += B; B = A - B; A -= B; }
#define SORT(a,b,c) {if(a > b) SWAP(a,b) if(a > c) SWAP(a,c) if (b>c) SWAP(b,c) }
//+------------------------------------------------------------------+
//| Estruturas                                                       |
//+------------------------------------------------------------------+
enum CalcMode
  {
   VWAP,         // Session Average Weighted
   Last,         // Last deal quote
   AskBidWatch,  // Watch(Ask+Bid)/2
   Median,       // Mediana
   DWAP          // Daily Weighted Average Price
  };
enum ENUM_ShowGraph
 {
  showBidAsk,    // Bid and Ask
  showLast,      // Last
  showMedian,    // Median
  showBidAskHalf,// (Bid+Ask)/2
  showAll,       // Show All
  showNone       // OPM only
 };
enum ENUM_Rights
 {
  rightPUT,  // PUT's
  rightCALL, // CALL's
  //rightBoth  // Both
 } ;
struct sOption
 {
   string strSymbol;
   ENUM_SYMBOL_OPTION_RIGHT enRight;
   double dbK;
   double dbP;
   double dbC;
   ulong dtExpiration;
   ulong dtLastDeal;
   
   double dbBid;
   double dbAsk;
   double dbPrice;
 };
//+------------------------------------------------------------------+
//| Globals                                                          |
//+------------------------------------------------------------------+
sOption arrBruteOptions[];
//+------------------------------------------------------------------+
//| Expert input values                                              |
//+------------------------------------------------------------------+
sinput datetime inExpiration;                 // Expiração: 
sinput ENUM_Rights inRight=rightCALL;         // Opções do Tipo:
sinput double inR=10.75;                      // Retorno Referência (% a.a.):
sinput ENUM_ShowGraph inShowGraph=showMedian; // Preços do gráfico:
sinput int inFrequency=3;                     // Frequência de execução (s):
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- create timer
   EA();
   EventSetTimer(inFrequency);
   
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//--- destroy timer
   EventKillTimer();
   
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//---
   
  }
//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer()
  {
//---
   EA();     
  }
//+------------------------------------------------------------------+
//| EA function                                                      |
//+------------------------------------------------------------------+
void EA()
 {
   ObjectDelete(0,"OptionHunter_Graph");
   LoadBruteOptions();
   ulong vSort[][2];
   ZeroMemory(vSort);
   ArrayResize(vSort,ArraySize(arrBruteOptions));
   for(int i=0;i<ArraySize(arrBruteOptions);i++)
    {
     vSort[i,0]=(arrBruteOptions[i].dtExpiration*1000000)+(arrBruteOptions[i].enRight*100000)+StringToInteger(DoubleToString(arrBruteOptions[i].dbK*1000,0));
     vSort[i,1]=i;
    }
   ArraySort(vSort);
   int s=0;
   sOption arrOptions[];
   ArrayResize(arrOptions,ArraySize(arrBruteOptions));
   for(int i=0;i<ArraySize(arrOptions);i++)
    {
     s=(int)vSort[i,1];
     arrOptions[i].enRight=arrBruteOptions[s].enRight;
     arrOptions[i].strSymbol=arrBruteOptions[s].strSymbol;
     arrOptions[i].dtExpiration=arrBruteOptions[s].dtExpiration;
     arrOptions[i].dbK=arrBruteOptions[s].dbK;
     arrOptions[i].dbC=arrBruteOptions[s].dbC;
     arrOptions[i].dbP=arrBruteOptions[s].dbP;
     
     arrOptions[i].dbBid=arrBruteOptions[s].dbBid;
     arrOptions[i].dbAsk=arrBruteOptions[s].dbAsk;
     arrOptions[i].dbPrice=arrBruteOptions[s].dbPrice;
    }
    
   double _T=0.0;
   double _Z=0.0;
   double _S=SymbolInfoDouble(_Symbol,SYMBOL_LAST);
   double K[];
   double Bid[];
   double Ask[];
   double Last[];
   double BidAskHalf[];
   double Med[];
   double X[];
   ArrayResize(K,ArraySize(arrOptions));
   ArrayResize(Bid,ArraySize(arrOptions));
   ArrayResize(Ask,ArraySize(arrOptions));
   ArrayResize(Last,ArraySize(arrOptions));
   ArrayResize(BidAskHalf,ArraySize(arrOptions));
   ArrayResize(Med,ArraySize(arrOptions));
   ArrayResize(X,ArraySize(arrOptions));
   for(int i=0;i<ArraySize(arrOptions);i++)
    {
     K[i]=arrOptions[i].dbK;
     Bid[i]=arrOptions[i].dbBid;    //SymbolInfoDouble(arrOptions[i].strSymbol,SYMBOL_BID);
     Ask[i]=arrOptions[i].dbAsk;    //SymbolInfoDouble(arrOptions[i].strSymbol,SYMBOL_ASK);
     Last[i]=arrOptions[i].dbPrice; //SymbolInfoDouble(arrOptions[i].strSymbol,SYMBOL_LAST);
     BidAskHalf[i]=(arrOptions[i].dbBid+arrOptions[i].dbAsk)/2.0; //(SymbolInfoDouble(arrOptions[i].strSymbol,SYMBOL_BID)+SymbolInfoDouble(arrOptions[i].strSymbol,SYMBOL_ASK))/2.0;
     Med[i]=SymbolPrice(arrOptions[i].strSymbol, Median);
     
     _T = MathMax(0.0,( SymbolInfoInteger(arrOptions[i].strSymbol,SYMBOL_EXPIRATION_TIME)-SymbolInfoInteger(_Symbol,SYMBOL_TIME) ) / (86400.0 * 365.0) );
     _Z = (arrOptions[i].enRight==SYMBOL_OPTION_RIGHT_CALL?1.0:(arrOptions[i].enRight==SYMBOL_OPTION_RIGHT_PUT?-1.0:0.0));

     X[i]=(1.0/2.0)*sqrt(pow(K[i]-_S,2.0)+4*_T*pow(inR/100*_S,2.0))-_Z*(K[i]-_S)/2.0;

    }

   CGraphic graphic;
   graphic.Create(0,"OptionHunter_Graph",0,0,25,(int)ChartGetInteger(0,CHART_WIDTH_IN_PIXELS),(int)ChartGetInteger(0,CHART_HEIGHT_IN_PIXELS));
   graphic.XAxis().NameSize(12);
   graphic.XAxis().Name("Strike (K)");
   graphic.XAxis().ValuesFormat("%.2f");
   graphic.YAxis().NameSize(12);
   graphic.YAxis().Name("Premium (X)");
   graphic.YAxis().ValuesFormat("%.2f");
   
   if((inShowGraph==showAll)||(inShowGraph==showBidAsk))
    {
     CCurve *CCurveAsk  = graphic.CurveAdd(K,Ask,clrBlue,CURVE_POINTS,"Ask");
     CCurveAsk.PointsType(POINT_HORIZONTAL_DASH);
     CCurveAsk.PointsSize(4);
     CCurveAsk.PointsFill(true);

     CCurve *CCUrveBid  = graphic.CurveAdd(K,Bid,clrRed,CURVE_POINTS,"Bid"); 
     CCUrveBid.PointsType(POINT_HORIZONTAL_DASH);
     CCUrveBid.PointsSize(4);
     CCUrveBid.PointsFill(true);
    }

   if((inShowGraph==showAll)||(inShowGraph==showBidAskHalf))
    {
     CCurve *CCurveLast = graphic.CurveAdd(K,BidAskHalf,clrOrange,CURVE_POINTS,"(Bid+Ask)/2");
     CCurveLast.PointsType(POINT_CIRCLE);
     CCurveLast.PointsSize(4);
     CCurveLast.PointsFill(false);
    }

   if((inShowGraph==showAll)||(inShowGraph==showLast))
    {
     CCurve *CCurveLast = graphic.CurveAdd(K,Last,clrGreen,CURVE_POINTS,"Last");
     CCurveLast.PointsType(POINT_CIRCLE);
     CCurveLast.PointsSize(4);
     CCurveLast.PointsFill(false);
    }

   if((inShowGraph==showAll)||(inShowGraph==showMedian))
    {
     CCurve *CCurveMed  = graphic.CurveAdd(K,Med,clrPurple,CURVE_POINTS,"Median");
     CCurveMed.PointsType(POINT_CIRCLE);
     CCurveMed.PointsSize(8);
     CCurveMed.PointsFill(false);
    }

   CCurve *CCurveOPM = graphic.CurveAdd(K,X,clrMidnightBlue,CURVE_LINES,"OPM");
   CCurveOPM.Color(clrFuchsia);
   CCurveOPM.LinesSmooth(true);
   
   double Sx[2]={_S,_S};
   double Sxmax = 0.0;//MathMax(Ask[0],Ask[ArraySize(Ask)-1]);
   for(int i=0;i<ArraySize(Ask);i++)
    {
     if(inShowGraph==showAll) Sxmax=MathMax(MathMax(MathMax(MathMax(Sxmax,Bid[i]),Ask[i]),Last[i]),X[i]);
     if(inShowGraph==showBidAsk) Sxmax=MathMax(MathMax(Sxmax,Bid[i]),Ask[i]);
     if(inShowGraph==showBidAskHalf) Sxmax=MathMax(Sxmax,(Bid[i]+Ask[i])/2.0);
     if(inShowGraph==showLast) Sxmax=MathMax(Sxmax,Last[i]);
     if(inShowGraph==showMedian) Sxmax=MathMax(Sxmax,Med[i]);
     if(inShowGraph==showNone) Sxmax=MathMax(Sxmax,X[i]);
    }
   double Sy[2]={0.0,Sxmax};
   CCurve *CCurveS   = graphic.CurveAdd(Sx,Sy,clrGreenYellow,CURVE_STEPS,_Symbol);

   graphic.CurvePlotAll();
   graphic.Update();
   
   ChartSetInteger(0,CHART_SHOW_DATE_SCALE,0);
   ChartSetInteger(0,CHART_SHOW_PRICE_SCALE,0);
   Comment(StringFormat("S=%.2f",
      _S
    )
   );
 } 
//+------------------------------------------------------------------+
//| Carrega a Matriz de Opções (Bruta)                               |
//+------------------------------------------------------------------+
void LoadBruteOptions()
 {
   string strISIN = SymbolInfoString(_Symbol, SYMBOL_ISIN);
   ArrayFree(arrBruteOptions);
   ZeroMemory(arrBruteOptions);
   for(int i=0;i<SymbolsTotal(false);i++)
    {
     if( 
       (SymbolInfoDouble(SymbolName(i,false),SYMBOL_OPTION_STRIKE)>(SymbolInfoDouble(_Symbol,SYMBOL_LAST)*(1-0.25)))
       &&(SymbolInfoDouble(SymbolName(i,false),SYMBOL_OPTION_STRIKE)<(SymbolInfoDouble(_Symbol,SYMBOL_LAST)*(1+0.25)))
       &&(int(SymbolInfoInteger(SymbolName(i,false),SYMBOL_EXPIRATION_TIME)/86400.0)==int(inExpiration)/86400.0)
       //&&((SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_CALL)||(SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_PUT))
       //&&(SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_PUT)
       //&&(SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_CALL)
       //&&(SymbolInfoInteger(SymbolName(i,false),SYMBOL_EXPIRATION_TIME)>D'2024.10.03 00:00:00')
       //&&(SymbolInfoInteger(SymbolName(i,false),SYMBOL_EXPIRATION_TIME)<D'2024.10.05 23:59:59')
       //&&(StringLen(SymbolName(i,false))==8)
       &&((StringSubstr(SymbolInfoString(SymbolName(i,false),SYMBOL_ISIN),2,5)==ISINtoSymbol(SymbolInfoString(_Symbol,SYMBOL_ISIN)))||((StringSubstr(SymbolInfoString(SymbolName(i,false),SYMBOL_ISIN),2,5)==StringSubstr(SymbolInfoString(_Symbol,SYMBOL_ISIN),2,5))))
      )
       {
        if(
            //(inRight==rightBoth)
          ((inRight==rightCALL)&&((ENUM_SYMBOL_OPTION_RIGHT)SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_CALL))
          ||((inRight==rightPUT)&&((ENUM_SYMBOL_OPTION_RIGHT)SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_PUT))
        )
         // rightPUT,  // PUT's
         // rightCALL, // CALL's
         // rightBoth  // Both
         {
          SymbolSelect(SymbolName(i,false),true);
          ArrayResize(arrBruteOptions,ArraySize(arrBruteOptions)+1);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].strSymbol=SymbolName(i,false);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].enRight=(ENUM_SYMBOL_OPTION_RIGHT)SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].dtExpiration=SymbolInfoInteger(SymbolName(i,false),SYMBOL_EXPIRATION_TIME);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].dbK=SymbolInfoDouble(SymbolName(i,false),SYMBOL_OPTION_STRIKE);
          //if(SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_CALL) arrBruteOptions[ArraySize(arrBruteOptions)-1].dbC=SymbolPrice(SymbolName(i,false),inpCalcMode);
          //if(SymbolInfoInteger(SymbolName(i,false),SYMBOL_OPTION_RIGHT)==SYMBOL_OPTION_RIGHT_PUT) arrBruteOptions[ArraySize(arrBruteOptions)-1].dbP=SymbolPrice(SymbolName(i,false),inpCalcMode);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].dtLastDeal=SymbolInfoInteger(SymbolName(i,false),SYMBOL_TIME);
          
          arrBruteOptions[ArraySize(arrBruteOptions)-1].dbBid=SymbolInfoDouble(SymbolName(i,false),SYMBOL_BID);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].dbAsk=SymbolInfoDouble(SymbolName(i,false),SYMBOL_ASK);
          arrBruteOptions[ArraySize(arrBruteOptions)-1].dbPrice=SymbolInfoDouble(SymbolName(i,false),SYMBOL_LAST);
         }
       }
    }
}
//+------------------------------------------------------------------+
//| Converte Código ISIN para Symbol                                 |
//+------------------------------------------------------------------+
string ISINtoSymbol(const string strISIN)
 {
  string strSymbol=StringSubstr(strISIN,2,4);
  if(StringSubstr(strISIN,9,2)=="PR") strSymbol+="4";
  if(StringSubstr(strISIN,9,2)=="OR") strSymbol+="3";
  if(StringSubstr(strISIN,9,2)=="00") strSymbol+="9";
  return strSymbol;
 }
//+------------------------------------------------------------------+
//| Symbol Price                                                     |
//+------------------------------------------------------------------+
double SymbolPrice(const string SYMBOL, const CalcMode CALCMODE)
  {
   double result = 0.0;
   switch(CALCMODE)
     {
      case Last:
         return(SymbolInfoDouble(SYMBOL,SYMBOL_LAST));
         break;
      case VWAP:
         return(SymbolInfoDouble(SYMBOL,SYMBOL_SESSION_AW));
         break;
      case Median:
         return(TrueMedian(SymbolInfoDouble(SYMBOL,SYMBOL_BID),SymbolInfoDouble(SYMBOL,SYMBOL_ASK),SymbolInfoDouble(SYMBOL,SYMBOL_LAST)));
         break;
     }
   return(result);
  } 
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double TrueMedian(double first, double second,double third)
  {
   SORT(first,second,third);
   return((third<=0.0)?0.0:((second<=0.0)?third:((first<=0.0)?((third+second)/2.0):second)));
  }    
//+------------------------------------------------------------------+
//| Ativo subjacente da opção                                        |
//+------------------------------------------------------------------+
string OptionBasis(const string strSymbol)
 {
  string strReturn=StringSubstr(SymbolInfoString(strSymbol,SYMBOL_ISIN),2,4);
  if(
      (StringSubstr(SymbolInfoString(strSymbol, SYMBOL_ISIN), 6, 1)=="9")
    ||(StringSubstr(SymbolInfoString(strSymbol, SYMBOL_ISIN), 6, 1)=="C")
    ) 
   {
    strReturn+="11";
   }
  else
   {
    strReturn+=StringSubstr(SymbolInfoString(strSymbol,SYMBOL_ISIN),6,1);
   }
  return strReturn;
 }  
//+------------------------------------------------------------------+