NEXA Donchian Pro System
- Experts
- Park Seongcheon
- Version: 1.13
MetaTrader 5 Expert Advisor – User Guide
1. Product Overview
NEXA Donchian Pro is an automated trading system based on the Donchian Channel breakout model combined with MACD direction filtering and ATR volatility normalization.
The product is delivered as a compiled EX5 file for the MetaTrader 5 platform.
The Expert Advisor is designed to detect breakout conditions in trending market environments and execute trades automatically based on closed-bar calculations.
This product does not guarantee profit. Trading involves risk and may result in financial loss.
2. Main Features
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Donchian Channel breakout entry logic
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MACD direction confirmation filter
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ATR normal volatility filter
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Automatic regime switching based on ADX trend strength
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Fractal-based partial position closing
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Automatic breakeven adjustment
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Trailing stop functionality
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Daily loss limitation
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Maximum total drawdown protection
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Consecutive loss cooldown mechanism
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Risk-based position sizing
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Spread filter
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Time-based trading control
3. Trading Logic
3.1 Entry Conditions
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Price closes above or below the Donchian Channel boundary
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MACD direction aligns with trade direction
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ATR volatility is within acceptable range
All calculations are performed on closed candles.
3.2 Exit Conditions
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Structural fractal break triggers partial close
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Optional breakeven adjustment after partial close
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Trailing stop management
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Risk control rules may stop further trading
4. Input Parameters
4.1 General Settings
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Symbol: Trading instrument
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FixedLots: Base lot size
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MagicNumber: Order identification number
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SlippagePoints: Allowed slippage
4.2 Strategy Settings
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DonchianPeriod: Channel calculation period
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BreakBufferPoints: Breakout confirmation buffer
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UseAutoDonchianRegime: ADX-based automatic regime selection
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ADXPeriod: ADX calculation period
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ADXTrendThreshold: Trend strength threshold
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UseMACDFilter: Enable MACD confirmation
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MACDFast / MACDSlow / MACDSignal: MACD settings
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UseATRNormalFilter: Enable ATR normalization filter
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ATRPeriod: ATR calculation period
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ATRAvgLookback: ATR averaging period
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ATRVolatilityCap: Volatility ratio limit
4.3 Risk Management
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UseAccountRisk: Risk percentage-based lot sizing
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RiskPercentPerTrade: Risk per trade
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MaxDailyLossPercent: Daily loss limit
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MaxTotalDrawdownPct: Maximum total drawdown
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ConsecLossLimit: Maximum consecutive losses
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ConsecLossCooldownSec: Cooldown time after consecutive losses
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MaxLotCap: Maximum lot size limit
4.4 Order Management
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UseTrailingStop: Enable trailing stop
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TrailingStartPoints: Profit distance before trailing begins
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TrailingStepPoints: Trailing adjustment step
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UseFractalExit: Enable fractal-based partial close
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FractalClosePercent: Percentage to close
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UseBEAfterFractal: Move stop to breakeven after partial close
5. Installation and Usage
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Attach the Expert Advisor to a MetaTrader 5 chart.
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Select the desired symbol and timeframe.
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Configure the input parameters.
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Enable AutoTrading in the platform.
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Monitor trading activity and account risk regularly.
6. Recommended Environment
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Stable internet connection
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VPS recommended for continuous operation
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Low spread trading conditions
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Sufficient account balance
7. Important Notice
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This product is not financial advice.
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Past performance does not guarantee future results.
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Automated trading carries risk.
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Parameter settings may affect performance.
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Testing on a demo account before live trading is recommended.
8. Technical Compliance
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No DLL calls are used.
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No external servers are accessed.
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No personal user data is collected.
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No third-party licensing systems are integrated.
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WebRequest functionality is not used.
9. Updates
Product updates may be released by the seller.
Previous versions are not stored automatically. Users are responsible for maintaining backup copies if needed.
The latest version is installed upon new activation.
10. Support
Support is provided through the MQL5 Market comment section.
External messaging services or third-party links are not used.
