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Toh4iem9
2025-09-01 12:52:20 +02:00
parent 6109065507
commit 93dbf7983b
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Scripts/MyScripts/CalculateMarginSwap.mq5
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//+------------------------------------------------------------------+
//| CalculateMarginSwap.mq5|
//| Copyright 2025, xxxxxxxx |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property link ""
#property version "1.08" // Fixed case scope syntax error.
#property description "Calculates margin and shows swap cost with its calculation method."
//--- show the inputs window when the script is launched
#property script_show_inputs
//--- Input for the user to specify the position size
input double InpLotSize = 0.1;
//--- Forward declarations
string DayOfWeekToString(ENUM_DAY_OF_WEEK day);
string SwapModeToString(ENUM_SYMBOL_SWAP_MODE mode, string base_curr, string profit_curr, string margin_curr);
//+------------------------------------------------------------------+
//| Script program start function |
//+------------------------------------------------------------------+
void OnStart()
{
//--- Get the current symbol from the chart
string symbol = _Symbol;
if(!SymbolSelect(symbol, true))
{
Print("Error: Could not select the symbol '", symbol, "'. Please add it to the Market Watch.");
return;
}
//--- 1. Gather Symbol Information ---
string description = SymbolInfoString(symbol, SYMBOL_DESCRIPTION);
string base_currency = SymbolInfoString(symbol, SYMBOL_CURRENCY_BASE);
string profit_currency = SymbolInfoString(symbol, SYMBOL_CURRENCY_PROFIT);
string account_currency = AccountInfoString(ACCOUNT_CURRENCY);
ENUM_DAY_OF_WEEK triple_swap_day = (ENUM_DAY_OF_WEEK)SymbolInfoInteger(symbol, SYMBOL_SWAP_ROLLOVER3DAYS);
ENUM_SYMBOL_SWAP_MODE swap_mode = (ENUM_SYMBOL_SWAP_MODE)SymbolInfoInteger(symbol, SYMBOL_SWAP_MODE);
//--- 2. Calculate Required Margin (Always in Account Currency) ---
double margin_buy = 0, margin_sell = 0;
if(!OrderCalcMargin(ORDER_TYPE_BUY, symbol, InpLotSize, SymbolInfoDouble(symbol, SYMBOL_ASK), margin_buy) ||
!OrderCalcMargin(ORDER_TYPE_SELL, symbol, InpLotSize, SymbolInfoDouble(symbol, SYMBOL_BID), margin_sell))
{
Print("Error calculating margin. Error code: ", GetLastError());
return;
}
//--- 3. Calculate Raw Swap Costs ---
double swap_long_cost = 0, swap_short_cost = 0;
double swap_long_raw = SymbolInfoDouble(symbol, SYMBOL_SWAP_LONG);
double swap_short_raw = SymbolInfoDouble(symbol, SYMBOL_SWAP_SHORT);
//--- The raw value is calculated without conversion
switch(swap_mode)
{
case SYMBOL_SWAP_MODE_POINTS:
{
swap_long_cost = swap_long_raw; // The value is in points
swap_short_cost = swap_short_raw;
break;
}
case SYMBOL_SWAP_MODE_CURRENCY_SYMBOL:
case SYMBOL_SWAP_MODE_CURRENCY_MARGIN:
case SYMBOL_SWAP_MODE_CURRENCY_DEPOSIT:
{
swap_long_cost = InpLotSize * swap_long_raw;
swap_short_cost = InpLotSize * swap_short_raw;
break;
}
case SYMBOL_SWAP_MODE_INTEREST_CURRENT:
{
double contract_size = SymbolInfoDouble(symbol, SYMBOL_TRADE_CONTRACT_SIZE);
double price = SymbolInfoDouble(symbol, SYMBOL_BID);
swap_long_cost = (InpLotSize * contract_size * price * (swap_long_raw / 100.0)) / 360.0;
swap_short_cost = (InpLotSize * contract_size * price * (swap_short_raw / 100.0)) / 360.0;
break;
}
default:
{
swap_long_cost = swap_long_raw;
swap_short_cost = swap_short_raw;
break;
}
}
//--- 4. Display the Results in the Experts Tab ---
string swap_unit = SwapModeToString(swap_mode, base_currency, profit_currency, account_currency);
Print("--- Margin & Swap Calculation ---");
PrintFormat("Symbol: %s (%s)", symbol, description);
PrintFormat("Position Size: %.2f lots", InpLotSize);
Print("\n--- Required Margin ---");
PrintFormat("BUY Order: %.2f %s", margin_buy, account_currency);
PrintFormat("SELL Order: %.2f %s", margin_sell, account_currency);
Print("\n--- Daily Swap Cost ---");
PrintFormat("Calculation Mode: %s", swap_unit);
PrintFormat("Long (BUY): %.5f", swap_long_cost);
PrintFormat("Short (SELL): %.5f", swap_short_cost);
PrintFormat("Triple Swap Day: %s", DayOfWeekToString(triple_swap_day));
Print("--- Calculation Complete ---");
}
//+------------------------------------------------------------------+
//| Converts a swap mode enum to a readable string description. |
//+------------------------------------------------------------------+
string SwapModeToString(ENUM_SYMBOL_SWAP_MODE mode, string base_curr, string profit_curr, string margin_curr)
{
switch(mode)
{
case SYMBOL_SWAP_MODE_DISABLED:
return "Disabled";
case SYMBOL_SWAP_MODE_POINTS:
return "In Points";
case SYMBOL_SWAP_MODE_CURRENCY_SYMBOL:
return "In " + base_curr + " (Base Currency)";
case SYMBOL_SWAP_MODE_CURRENCY_MARGIN:
return "In " + margin_curr + " (Account Currency)";
case SYMBOL_SWAP_MODE_CURRENCY_DEPOSIT:
return "In " + profit_curr + " (Quote/Profit Currency)"; // Based on terminal behavior
case SYMBOL_SWAP_MODE_INTEREST_CURRENT:
return "Daily cost calculated from annual % in " + profit_curr;
default:
return "Unknown Mode (" + (string)mode + ")";
}
}
//+------------------------------------------------------------------+
//| Converts a day-of-the-week enum to a readable string |
//+------------------------------------------------------------------+
string DayOfWeekToString(ENUM_DAY_OF_WEEK day)
{
switch(day)
{
case SUNDAY:
return "Sunday";
case MONDAY:
return "Monday";
case TUESDAY:
return "Tuesday";
case WEDNESDAY:
return "Wednesday";
case THURSDAY:
return "Thursday";
case FRIDAY:
return "Friday";
case SATURDAY:
return "Saturday";
default:
return "Unknown";
}
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+