600 lines
22 KiB
MQL5
600 lines
22 KiB
MQL5
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//+------------------------------------------------------------------+
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//| ATR Dynamic Risk Manager.mq5 |
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//| Optimized Forex ATR Risk Management System |
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// The MQL5 language is used for programming trading strategies and indicators for the MetaTrader 5platform. The script you mentioned,
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//"ATR Dynamic Risk Manager.mq5," seems to be a custom Expert Advisor (EA) or script designed to manage trading risk dynamically using the Average True Range (ATR) indicator.
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//Below is a general outline of how you might implement such a script:
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//
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//+------------------------------------------------------------------+
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//| ATR Dynamic Risk Manager.mq5 |
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//| Your Name or Company Name Here |
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//| Your Website or Contact Info |
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//+------------------------------------------------------------------+
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#property strict
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// Input parameters
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input double RiskPercentage = 1.0; // Risk percentage per trade
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input int ATRPeriod = 14; // ATR calculation period
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input double ATRMultiplier = 1.5; // Multiplier for ATR to set stop loss
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// Global variables
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double atrValue;
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//+------------------------------------------------------------------+
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//| Expert initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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// Initialization of the ATR indicator
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atrValue = iATR(_Symbol, _Period, ATRPeriod);
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if(atrValue <= 0)
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{
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Print("Error initializing ATR indicator");
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return INIT_FAILED;
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}
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Print("ATR Dynamic Risk Manager initialized successfully");
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return INIT_SUCCEEDED;
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}
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//+------------------------------------------------------------------+
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//| Expert deinitialization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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// Cleanup code if necessary
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}
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//+------------------------------------------------------------------+
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//| Expert tick function |
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//+------------------------------------------------------------------+
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void OnTick()
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{
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// Update ATR value on each tick
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atrValue = iATR(_Symbol, _Period, ATRPeriod);
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// Calculate the lot size based on risk percentage and ATR
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double accountBalance = AccountInfoDouble(ACCOUNT_BALANCE);
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double riskAmount = accountBalance * (RiskPercentage / 100.0);
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double stopLoss = atrValue * ATRMultiplier;
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// Assuming a 1:1 risk-reward ratio for simplicity
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double lotSize = CalculateLotSize(riskAmount, stopLoss);
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// Example: Place a buy order with calculated lot size
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if(/* Your buy condition here */)
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{
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// Check for existing positions or orders if necessary
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// PlaceOrder function is a placeholder for your order logic
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PlaceOrder(ORDER_TYPE_BUY, lotSize, stopLoss);
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}
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}
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//+------------------------------------------------------------------+
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//| Function to calculate lot size based on risk and stop loss |
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//+------------------------------------------------------------------+
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double CalculateLotSize(double riskAmount, double stopLoss)
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{
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double tickValue = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_VALUE);
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double tickSize = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_SIZE);
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if(tickValue <= 0 || tickSize <= 0)
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{
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Print("Error retrieving symbol information");
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return 0;
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}
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double lotSize = riskAmount / (stopLoss / tickSize * tickValue);
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return NormalizeDouble(lotSize, 2); // Adjust precision as needed
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}
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//+------------------------------------------------------------------+
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//| Function to place an order |
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//+------------------------------------------------------------------+
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void PlaceOrder(int orderType, double lotSize, double stopLoss)
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{
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// Implement order placement logic here
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// Example: OrderSend function with necessary parameters
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// Ensure to handle errors and order confirmation
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}
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//+------------------------------------------------------------------+
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//
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// ### Key Components:
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// 1. **ATR Calculation**: The script uses the ATR indicator to determine market volatility. The ATR value is updated on each tick.
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//
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// 2. **Risk Management**: The script calculates the lot size based on a specified risk percentage of the account balance and the ATR value, which is used to set the stop loss.
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//
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// 3. **Order Placement**: The script includes a placeholder for order placement logic. You need to implement the actual conditions for opening trades and manage existing positions.
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//
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// 4. **Error Handling**: Ensure to handle any errors, especially during order placement and ATR calculation.
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//
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// ### Notes:
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// - This script is a template and requires further development to be functional. You need to define the specific trading conditions and complete the order placement logic.
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// - Always test your scripts on a demo account before deploying them on a live account to ensure they work as expected.
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// - Consider adding more features such as take profit levels, trailing stops, and additional risk management rules.
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//
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025"
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#property link ""
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#property version "1.00"
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#property strict
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#property description "Dynamic ATR-based risk management EA for forex"
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#include <Trade\Trade.mqh>
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#include <Trade\PositionInfo.mqh>
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#include <Trade\OrderInfo.mqh>
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// EA input parameters
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input group "ATR Risk Parameters"
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input int ATR_Period = 14; // ATR Period
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input double SL_ATR_Multiplier = 3.0; // Stop Loss ATR Multiplier
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input double TP_ATR_Multiplier = 3.5; // Take Profit ATR Multiplier
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input double Trail_Start_Multiplier = 2.5; // Trailing Start ATR Multiplier
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input double Trail_Step_Multiplier = 0.5; // Trailing Step ATR Multiplier
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input int ATR_Shift = 1; // ATR shift (1 for previous bar)
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input double Extra_Buffer_Pips = 5; // Extra buffer in pips
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input group "Trading Parameters"
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input bool Manage_SL = true; // Manage Stop Loss
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input bool Manage_TP = true; // Manage Take Profit
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input bool Use_Trailing_Stop = true; // Use Trailing Stop
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input bool Manage_New_Positions = true; // Apply to new positions
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input bool Manage_Existing_Positions = true; // Apply to existing positions
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input int Magic_Number = 123456; // EA Magic Number (0 for all positions)
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input bool Close_At_Profit_Target = false; // Close position at profit target instead of setting TP
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input group "Timing Parameters"
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input int Check_Interval_Seconds = 5; // Interval between checks (seconds)
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input bool Process_On_Bar_Close = false; // Process only on bar close
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// Global variables
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CTrade trade;
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CPositionInfo posInfo;
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COrderInfo orderInfo;
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double atrValue;
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double point;
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int digits;
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datetime lastCheckTime = 0;
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datetime lastBarTime = 0;
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int atrHandle;
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int positionCount = 0;
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ulong positionTickets[];
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//+------------------------------------------------------------------+
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//| Expert initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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// Initialize trade operations
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trade.SetExpertMagicNumber(Magic_Number);
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// Initialize market information
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digits = (int)SymbolInfoInteger(_Symbol, SYMBOL_DIGITS);
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point = SymbolInfoDouble(_Symbol, SYMBOL_POINT);
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// Create ATR indicator handle
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atrHandle = iATR(_Symbol, PERIOD_CURRENT, ATR_Period);
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if(atrHandle == INVALID_HANDLE)
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{
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Print("Error creating ATR indicator handle");
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return(INIT_FAILED);
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}
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// Set timer
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if(!EventSetTimer(Check_Interval_Seconds))
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{
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Print("Error setting timer");
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return(INIT_FAILED);
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}
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// Initial identification of positions
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RefreshPositions();
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Print("ATR Dynamic Risk Manager EA initialized successfully");
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return(INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Expert deinitialization function |
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//+------------------------------------------------------------------+
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void OnDeinit(const int reason)
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{
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// Release indicator handles
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IndicatorRelease(atrHandle);
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// Remove timer
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EventKillTimer();
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// Clean up
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Comment("");
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}
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//+------------------------------------------------------------------+
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//| Timer function |
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//+------------------------------------------------------------------+
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void OnTimer()
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{
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// Check if it's time to update
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if(!IsTimeToCheck())
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return;
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// Update ATR value and manage positions
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UpdateATRValue();
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ManagePositions();
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// Record the check time
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lastCheckTime = TimeCurrent();
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}
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//+------------------------------------------------------------------+
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//| Expert tick function |
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//+------------------------------------------------------------------+
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void OnTick()
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{
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// Check if we process only on bar close
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if(Process_On_Bar_Close)
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{
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datetime currentBarTime = iTime(_Symbol, PERIOD_CURRENT, 0);
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if(currentBarTime != lastBarTime)
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{
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lastBarTime = currentBarTime;
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UpdateATRValue();
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ManagePositions();
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}
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return;
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}
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// Otherwise, check if it's time to update based on timer
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if(IsTimeToCheck())
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{
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UpdateATRValue();
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ManagePositions();
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lastCheckTime = TimeCurrent();
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}
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}
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//+------------------------------------------------------------------+
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//| Check if it's time to process |
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//+------------------------------------------------------------------+
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bool IsTimeToCheck()
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{
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if(TimeCurrent() - lastCheckTime >= Check_Interval_Seconds)
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return true;
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return false;
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}
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//+------------------------------------------------------------------+
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//| Update ATR value |
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//+------------------------------------------------------------------+
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void UpdateATRValue()
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{
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double atrBuffer[];
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// Get current ATR value
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if(CopyBuffer(atrHandle, 0, ATR_Shift, 1, atrBuffer) > 0)
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{
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atrValue = NormalizeDouble(atrBuffer[0], digits);
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if(atrValue <= 0)
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{
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Print("Warning: ATR calculation returned zero or negative value. Using fallback value.");
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atrValue = 0.0001; // Fallback to prevent errors
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}
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}
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else
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{
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Print("Error getting ATR value: ", GetLastError());
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}
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}
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//+------------------------------------------------------------------+
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//| Refresh list of position tickets |
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//+------------------------------------------------------------------+
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void RefreshPositions()
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{
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int total = PositionsTotal();
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int count = 0;
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// First, count valid positions
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for(int i = 0; i < total; i++)
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{
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if(posInfo.SelectByIndex(i))
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{
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if(Magic_Number == 0 || posInfo.Magic() == Magic_Number)
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{
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if(posInfo.Symbol() == _Symbol)
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count++;
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}
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}
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}
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// Resize array and fill with position tickets
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ArrayResize(positionTickets, count);
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positionCount = 0;
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for(int i = 0; i < total; i++)
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{
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if(posInfo.SelectByIndex(i))
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{
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if(Magic_Number == 0 || posInfo.Magic() == Magic_Number)
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{
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if(posInfo.Symbol() == _Symbol)
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{
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positionTickets[positionCount] = posInfo.Ticket();
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positionCount++;
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}
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}
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}
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}
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}
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//+------------------------------------------------------------------+
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//| Manage all positions |
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//+------------------------------------------------------------------+
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void ManagePositions()
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{
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// Get current open positions
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RefreshPositions();
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// Convert buffer from pips to points
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double bufferInPoints = Extra_Buffer_Pips * 10 * point;
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// Display current ATR info
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string info = "Current ATR: " + DoubleToString(atrValue, digits) + "\n";
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info += "SL distance: " + DoubleToString(atrValue * SL_ATR_Multiplier + bufferInPoints, digits) + "\n";
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info += "TP distance: " + DoubleToString(atrValue * TP_ATR_Multiplier, digits) + "\n";
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info += "Positions managed: " + IntegerToString(positionCount);
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Comment(info);
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// Process existing positions
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if(Manage_Existing_Positions)
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{
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for(int i = 0; i < positionCount; i++)
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{
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if(posInfo.SelectByTicket(positionTickets[i]))
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{
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// Process the position
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ProcessPosition(posInfo.PositionType(), posInfo.PriceOpen(),
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posInfo.StopLoss(), posInfo.TakeProfit(),
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posInfo.Ticket(), bufferInPoints);
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}
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}
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}
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// Process pending orders if needed
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if(Manage_New_Positions)
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ProcessPendingOrders(bufferInPoints);
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}
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//+------------------------------------------------------------------+
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//| Process pending orders |
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//+------------------------------------------------------------------+
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void ProcessPendingOrders(double bufferInPoints)
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{
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for(int i = OrdersTotal() - 1; i >= 0; i--)
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{
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if(orderInfo.SelectByIndex(i))
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{
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// Check if it's our order and symbol
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if((Magic_Number == 0 || orderInfo.Magic() == Magic_Number) &&
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orderInfo.Symbol() == _Symbol)
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{
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// Get order type
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ENUM_ORDER_TYPE orderType = orderInfo.OrderType();
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// Process only if it's a pending order
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if(orderType == ORDER_TYPE_BUY_LIMIT || orderType == ORDER_TYPE_BUY_STOP ||
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orderType == ORDER_TYPE_SELL_LIMIT || orderType == ORDER_TYPE_SELL_STOP)
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{
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double newSL = 0.0, newTP = 0.0;
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double entryPrice = orderInfo.PriceOpen();
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// Calculate SL and TP based on order type
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if(orderType == ORDER_TYPE_BUY_LIMIT || orderType == ORDER_TYPE_BUY_STOP)
|
||
|
|
{
|
||
|
|
if(Manage_SL)
|
||
|
|
newSL = NormalizeDouble(entryPrice - (atrValue * SL_ATR_Multiplier) - bufferInPoints, digits);
|
||
|
|
|
||
|
|
if(Manage_TP)
|
||
|
|
newTP = NormalizeDouble(entryPrice + (atrValue * TP_ATR_Multiplier), digits);
|
||
|
|
}
|
||
|
|
else // Sell orders
|
||
|
|
{
|
||
|
|
if(Manage_SL)
|
||
|
|
newSL = NormalizeDouble(entryPrice + (atrValue * SL_ATR_Multiplier) + bufferInPoints, digits);
|
||
|
|
|
||
|
|
if(Manage_TP)
|
||
|
|
newTP = NormalizeDouble(entryPrice - (atrValue * TP_ATR_Multiplier), digits);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get current SL and TP
|
||
|
|
double currentSL = orderInfo.StopLoss();
|
||
|
|
double currentTP = orderInfo.TakeProfit();
|
||
|
|
|
||
|
|
// Check if we need to modify the order
|
||
|
|
if((currentSL != newSL && Manage_SL) || (currentTP != newTP && Manage_TP))
|
||
|
|
{
|
||
|
|
if(!Manage_SL) newSL = currentSL; // Keep current SL if not managing it
|
||
|
|
if(!Manage_TP) newTP = currentTP; // Keep current TP if not managing it
|
||
|
|
|
||
|
|
// Modify the order
|
||
|
|
if(!trade.OrderModify(orderInfo.Ticket(), entryPrice, newSL, newTP, orderInfo.TypeTime(), orderInfo.TimeExpiration()))
|
||
|
|
{
|
||
|
|
Print("Failed to modify order #", orderInfo.Ticket(), " Error: ", GetLastError());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
//| Process a single position |
|
||
|
|
//+------------------------------------------------------------------+
|
||
|
|
void ProcessPosition(ENUM_POSITION_TYPE posType, double openPrice,
|
||
|
|
double currentSL, double currentTP, ulong ticket,
|
||
|
|
double bufferInPoints)
|
||
|
|
{
|
||
|
|
double newSL = 0, newTP = 0;
|
||
|
|
double trailingStartLevel = 0;
|
||
|
|
double currentPrice = 0;
|
||
|
|
bool modifyPosition = false;
|
||
|
|
|
||
|
|
// Get current bid/ask
|
||
|
|
double bid = SymbolInfoDouble(_Symbol, SYMBOL_BID);
|
||
|
|
double ask = SymbolInfoDouble(_Symbol, SYMBOL_ASK);
|
||
|
|
|
||
|
|
// Set SL and TP based on position type
|
||
|
|
if(posType == POSITION_TYPE_BUY)
|
||
|
|
{
|
||
|
|
currentPrice = bid;
|
||
|
|
|
||
|
|
// Calculate new stop loss if needed
|
||
|
|
if(Manage_SL)
|
||
|
|
{
|
||
|
|
// Initial SL calculation
|
||
|
|
newSL = NormalizeDouble(openPrice - (atrValue * SL_ATR_Multiplier) - bufferInPoints, digits);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
newSL = currentSL; // Keep current SL
|
||
|
|
}
|
||
|
|
|
||
|
|
// Calculate new take profit if needed
|
||
|
|
if(Manage_TP && !Close_At_Profit_Target)
|
||
|
|
{
|
||
|
|
newTP = NormalizeDouble(openPrice + (atrValue * TP_ATR_Multiplier), digits);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
newTP = currentTP; // Keep current TP
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for profit target if closing instead of TP
|
||
|
|
if(Close_At_Profit_Target)
|
||
|
|
{
|
||
|
|
double profitTarget = openPrice + (atrValue * TP_ATR_Multiplier);
|
||
|
|
if(currentPrice >= profitTarget)
|
||
|
|
{
|
||
|
|
// Close the position at profit target
|
||
|
|
if(trade.PositionClose(ticket))
|
||
|
|
{
|
||
|
|
Print("Position #", ticket, " closed at profit target!");
|
||
|
|
}
|
||
|
|
return; // Exit the function
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for trailing stop if enabled
|
||
|
|
if(Use_Trailing_Stop && Manage_SL)
|
||
|
|
{
|
||
|
|
// Calculate trailing start level
|
||
|
|
trailingStartLevel = NormalizeDouble(openPrice + (atrValue * Trail_Start_Multiplier), digits);
|
||
|
|
|
||
|
|
// Check if price has moved enough to activate trailing
|
||
|
|
if(currentPrice >= trailingStartLevel)
|
||
|
|
{
|
||
|
|
// Calculate new trailing stop level
|
||
|
|
double trailingSL = NormalizeDouble(currentPrice - (atrValue * Trail_Step_Multiplier) - bufferInPoints, digits);
|
||
|
|
|
||
|
|
// Only move stop up, never down
|
||
|
|
if(trailingSL > currentSL || currentSL == 0)
|
||
|
|
{
|
||
|
|
newSL = trailingSL;
|
||
|
|
modifyPosition = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if(posType == POSITION_TYPE_SELL)
|
||
|
|
{
|
||
|
|
currentPrice = ask;
|
||
|
|
|
||
|
|
// Calculate new stop loss if needed
|
||
|
|
if(Manage_SL)
|
||
|
|
{
|
||
|
|
// Initial SL calculation
|
||
|
|
newSL = NormalizeDouble(openPrice + (atrValue * SL_ATR_Multiplier) + bufferInPoints, digits);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
newSL = currentSL; // Keep current SL
|
||
|
|
}
|
||
|
|
|
||
|
|
// Calculate new take profit if needed
|
||
|
|
if(Manage_TP && !Close_At_Profit_Target)
|
||
|
|
{
|
||
|
|
newTP = NormalizeDouble(openPrice - (atrValue * TP_ATR_Multiplier), digits);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
newTP = currentTP; // Keep current TP
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for profit target if closing instead of TP
|
||
|
|
if(Close_At_Profit_Target)
|
||
|
|
{
|
||
|
|
double profitTarget = openPrice - (atrValue * TP_ATR_Multiplier);
|
||
|
|
if(currentPrice <= profitTarget)
|
||
|
|
{
|
||
|
|
// Close the position at profit target
|
||
|
|
if(trade.PositionClose(ticket))
|
||
|
|
{
|
||
|
|
Print("Position #", ticket, " closed at profit target!");
|
||
|
|
}
|
||
|
|
return; // Exit the function
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for trailing stop if enabled
|
||
|
|
if(Use_Trailing_Stop && Manage_SL)
|
||
|
|
{
|
||
|
|
// Calculate trailing start level
|
||
|
|
trailingStartLevel = NormalizeDouble(openPrice - (atrValue * Trail_Start_Multiplier), digits);
|
||
|
|
|
||
|
|
// Check if price has moved enough to activate trailing
|
||
|
|
if(currentPrice <= trailingStartLevel)
|
||
|
|
{
|
||
|
|
// Calculate new trailing stop level
|
||
|
|
double trailingSL = NormalizeDouble(currentPrice + (atrValue * Trail_Step_Multiplier) + bufferInPoints, digits);
|
||
|
|
|
||
|
|
// Only move stop down (for shorts), never up
|
||
|
|
if(trailingSL < currentSL || currentSL == 0)
|
||
|
|
{
|
||
|
|
newSL = trailingSL;
|
||
|
|
modifyPosition = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ensure we're not moving SL in wrong direction for position type
|
||
|
|
if(posType == POSITION_TYPE_BUY && currentSL > 0 && newSL < currentSL)
|
||
|
|
{
|
||
|
|
// Keep current SL
|
||
|
|
newSL = currentSL;
|
||
|
|
}
|
||
|
|
else if(posType == POSITION_TYPE_SELL && currentSL > 0 && newSL > currentSL)
|
||
|
|
{
|
||
|
|
// Keep current SL
|
||
|
|
newSL = currentSL;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if SL or TP needs to be changed
|
||
|
|
if((MathAbs(currentSL - newSL) > Point() && Manage_SL) ||
|
||
|
|
(MathAbs(currentTP - newTP) > Point() && Manage_TP) ||
|
||
|
|
modifyPosition)
|
||
|
|
{
|
||
|
|
// Apply the new SL and TP
|
||
|
|
if(trade.PositionModify(ticket, newSL, newTP))
|
||
|
|
{
|
||
|
|
string action = modifyPosition ? "Trailing Stop" : "Initial SL/TP";
|
||
|
|
Print(action, " applied to position #", ticket, " New SL: ", newSL, " New TP: ", newTP);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Print("Failed to modify position #", ticket, " Error: ", GetLastError());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|