Author: Copyright � 2007, MetaQuotes Software Corp.
iExposure

This script is designed as a specialized dashboard for traders who need to keep a clear, organized overview of their active market positions across multiple different assets simultaneously. Instead of forcing you to click through various tabs or windows to see how your trades are performing, it aggregates that data into a single, easy-to-read summary table on your chart.

Core Functionality

The script automatically scans all your currently open orders and organizes them by the specific financial instrument (e.g., Currency Pairs, Commodities, or Stocks). For every unique asset you have an active position in, it generates a dedicated row of information.

Data Points Provided

For each individual asset, the dashboard calculates and displays the following key metrics:

  • Symbol: Identifies the specific market instrument.
  • Deals: Counts how many active positions you currently hold for that specific asset.
  • Buy/Sell Lots: Shows the total volume of "Buy" orders versus "Sell" orders you have open.
  • Buy/Sell Price: Displays the average entry price for your Buy and Sell positions respectively, providing a clear picture of your entry points.
  • Net Lots: Calculates your net exposure by subtracting your total sold volume from your total bought volume. This helps you see if you are "Long," "Short," or balanced on a specific asset.
  • Profit: Provides a real-time calculation of your current profit/loss for that specific asset, including automated adjustments for commissions and swaps (overnight fees).

How It Works Logically

  1. Scanning: The script continuously monitors your active trading account to identify every open trade.
  2. Categorization: It groups these trades by their symbol names. If you are trading five different currencies, it creates five distinct lines of data.
  3. Dynamic Calculation: It performs math in the background to determine average prices and net volumes so that you don't have to do any manual calculations.
  4. Visual Display: The script dynamically builds a text-based table on your screen. As you open or close trades, the table updates automatically—adding new lines for assets you start trading and clearing away data for assets you no longer hold.

User Experience

The primary goal of this logic is consolidation. It transforms a complex list of individual trades into a structured "Exposure Report." This allows a trader to see their total market exposure and profitability at a single glance, making it an ideal tool for managing diverse portfolios where multiple assets are active at the same time.

Orders Execution
Checks for the total of open orders
Miscellaneous
Implements a curve of type %1
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iExposure
//+------------------------------------------------------------------+
//|                                                    iExposure.mq4 |
//|                      Copyright © 2007, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_separate_window
#property indicator_buffers 1
#property indicator_minimum 0.0
#property indicator_maximum 0.1

#define SYMBOLS_MAX 1024
#define DEALS          0
#define BUY_LOTS       1
#define BUY_PRICE      2
#define SELL_LOTS      3
#define SELL_PRICE     4
#define NET_LOTS       5
#define PROFIT         6

extern color ExtColor=LightSeaGreen;

string ExtName="Exposure";
string ExtSymbols[SYMBOLS_MAX];
int    ExtSymbolsTotal=0;
double ExtSymbolsSummaries[SYMBOLS_MAX][7];
int    ExtLines=-1;
string ExtCols[8]={"Symbol",
                   "Deals",
                   "Buy lots",
                   "Buy price",
                   "Sell lots",
                   "Sell price",
                   "Net lots",
                   "Profit"};
int    ExtShifts[8]={ 10, 80, 130, 180, 260, 310, 390, 460 };
int    ExtVertShift=14;
double ExtMapBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
void init()
  {
	IndicatorShortName(ExtName);
   SetIndexBuffer(0,ExtMapBuffer);
   SetIndexStyle(0,DRAW_NONE);
   IndicatorDigits(0);
	SetIndexEmptyValue(0,0.0);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void deinit()
  {
   int windex=WindowFind(ExtName);
   if(windex>0) ObjectsDeleteAll(windex);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
void start()
  {
   string name;
   int    i,col,line,windex=WindowFind(ExtName);
//----
   if(windex<0) return;
//---- header line
   if(ExtLines<0)
     {
      for(col=0; col<8; col++)
        {
         name="Head_"+col;
         if(ObjectCreate(name,OBJ_LABEL,windex,0,0))
           {
            ObjectSet(name,OBJPROP_XDISTANCE,ExtShifts[col]);
            ObjectSet(name,OBJPROP_YDISTANCE,ExtVertShift);
            ObjectSetText(name,ExtCols[col],9,"Arial",ExtColor);
           }
        }
      ExtLines=0;
     }
//----
   ArrayInitialize(ExtSymbolsSummaries,0.0);
   int total=Analyze();
   if(total>0)
     {
      line=0;
      for(i=0; i<ExtSymbolsTotal; i++)
        {
         if(ExtSymbolsSummaries[i][DEALS]<=0) continue;
         line++;
         //---- add line
         if(line>ExtLines)
           {
            int y_dist=ExtVertShift*(line+1)+1;
            for(col=0; col<8; col++)
              {
               name="Line_"+line+"_"+col;
               if(ObjectCreate(name,OBJ_LABEL,windex,0,0))
                 {
                  ObjectSet(name,OBJPROP_XDISTANCE,ExtShifts[col]);
                  ObjectSet(name,OBJPROP_YDISTANCE,y_dist);
                 }
              }
            ExtLines++;
           }
         //---- set line
         int    digits=MarketInfo(ExtSymbols[i],MODE_DIGITS);
         double buy_lots=ExtSymbolsSummaries[i][BUY_LOTS];
         double sell_lots=ExtSymbolsSummaries[i][SELL_LOTS];
         double buy_price=0.0;
         double sell_price=0.0;
         if(buy_lots!=0)  buy_price=ExtSymbolsSummaries[i][BUY_PRICE]/buy_lots;
         if(sell_lots!=0) sell_price=ExtSymbolsSummaries[i][SELL_PRICE]/sell_lots;
         name="Line_"+line+"_0";
         ObjectSetText(name,ExtSymbols[i],9,"Arial",ExtColor);
         name="Line_"+line+"_1";
         ObjectSetText(name,DoubleToStr(ExtSymbolsSummaries[i][DEALS],0),9,"Arial",ExtColor);
         name="Line_"+line+"_2";
         ObjectSetText(name,DoubleToStr(buy_lots,2),9,"Arial",ExtColor);
         name="Line_"+line+"_3";
         ObjectSetText(name,DoubleToStr(buy_price,digits),9,"Arial",ExtColor);
         name="Line_"+line+"_4";
         ObjectSetText(name,DoubleToStr(sell_lots,2),9,"Arial",ExtColor);
         name="Line_"+line+"_5";
         ObjectSetText(name,DoubleToStr(sell_price,digits),9,"Arial",ExtColor);
         name="Line_"+line+"_6";
         ObjectSetText(name,DoubleToStr(buy_lots-sell_lots,2),9,"Arial",ExtColor);
         name="Line_"+line+"_7";
         ObjectSetText(name,DoubleToStr(ExtSymbolsSummaries[i][PROFIT],2),9,"Arial",ExtColor);
        }
     }
//---- remove lines
   if(total<ExtLines)
     {
      for(line=ExtLines; line>total; line--)
        {
         name="Line_"+line+"_0";
         ObjectSetText(name,"");
         name="Line_"+line+"_1";
         ObjectSetText(name,"");
         name="Line_"+line+"_2";
         ObjectSetText(name,"");
         name="Line_"+line+"_3";
         ObjectSetText(name,"");
         name="Line_"+line+"_4";
         ObjectSetText(name,"");
         name="Line_"+line+"_5";
         ObjectSetText(name,"");
         name="Line_"+line+"_6";
         ObjectSetText(name,"");
         name="Line_"+line+"_7";
         ObjectSetText(name,"");
        }
     }
//---- to avoid minimum==maximum
   ExtMapBuffer[Bars-1]=-1;
//----
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int Analyze()
  {
   double profit;
   int    i,index,type,total=OrdersTotal();
//----
   for(i=0; i<total; i++)
     {
      if(!OrderSelect(i,SELECT_BY_POS)) continue;
      type=OrderType();
      if(type!=OP_BUY && type!=OP_SELL) continue;
      index=SymbolsIndex(OrderSymbol());
      if(index<0 || index>=SYMBOLS_MAX) continue;
      //----
      ExtSymbolsSummaries[index][DEALS]++;
      profit=OrderProfit()+OrderCommission()+OrderSwap();
      ExtSymbolsSummaries[index][PROFIT]+=profit;
      if(type==OP_BUY)
        {
         ExtSymbolsSummaries[index][BUY_LOTS]+=OrderLots();
         ExtSymbolsSummaries[index][BUY_PRICE]+=OrderOpenPrice()*OrderLots();
        }
      else
        {
         ExtSymbolsSummaries[index][SELL_LOTS]+=OrderLots();
         ExtSymbolsSummaries[index][SELL_PRICE]+=OrderOpenPrice()*OrderLots();
        }
     }
//----
   total=0;
   for(i=0; i<ExtSymbolsTotal; i++)
     {
      if(ExtSymbolsSummaries[i][DEALS]>0) total++;
     }
//----
   return(total);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int SymbolsIndex(string SymbolName)
  {
   bool found=false;
//----
   for(int i=0; i<ExtSymbolsTotal; i++)
     {
      if(SymbolName==ExtSymbols[i])
        {
         found=true;
         break;
        }
     }
//----
   if(found) return(i);
   if(ExtSymbolsTotal>=SYMBOLS_MAX) return(-1);
//----
   i=ExtSymbolsTotal;
   ExtSymbolsTotal++;
   ExtSymbols[i]=SymbolName;
   ExtSymbolsSummaries[i][DEALS]=0;
   ExtSymbolsSummaries[i][BUY_LOTS]=0;
   ExtSymbolsSummaries[i][BUY_PRICE]=0;
   ExtSymbolsSummaries[i][SELL_LOTS]=0;
   ExtSymbolsSummaries[i][SELL_PRICE]=0;
   ExtSymbolsSummaries[i][NET_LOTS]=0;
   ExtSymbolsSummaries[i][PROFIT]=0;
//----
   return(i);
  }
//+------------------------------------------------------------------+

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