Mean Reversion Scalper for Gold
- エキスパート
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Kamal Kanwal
EXPERT MQL4/MQL5 DEVELOPER | PYTHON & C++ | ALGORITHMIC TRADING
I build high-performance trading systems that work. With deep expertise across MQL4, MQL5, Python, and C++, I deliver clean, reliable, and production-ready code.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ - バージョン: 1.0
Mean Reversion Scalper - Free EA
Overview -
Mean Reversion Scalper is a fully automated trading robot designed for the MetaTrader 5 platform. As the name suggests, this Expert Advisor operates on the mean reversion principle, identifying overextended price movements and capitalizing on the market's natural tendency to return to its average.
The core logic is built around the Bollinger Bands indicator, one of the most popular and effective tools for identifying overbought and oversold conditions in the forex market. Additionally, the EA incorporates the ADX (Average Directional Index) indicator to confirm sideways or ranging market conditions, helping to avoid false signals. The RSI (Relative Strength Index) is also used to pinpoint overbought and oversold zones. The EA essentially looks for confluence among all these indicators to generate high-probability entry signals.
How It Works -
The EA monitors price action relative to the Bollinger Bands and executes trades when price extends beyond the bands, anticipating a reversal back toward the middle band (the moving average). The ADX indicator is used as a confirmation filter — trades are only considered when the ADX value is below a certain threshold, indicating a sideways or non-trending market, which is the ideal environment for mean reversion strategies. The RSI further refines entries by ensuring that price is in overbought (for sell signals) or oversold (for buy signals) territory. The EA only takes a trade when all three indicators align, providing a confluence of signals that increases the reliability of each entry.
Key concepts used in this EA:
| Concept | Description |
|---|---|
| Mean Reversion | The idea that price tends to return to its average over time. When price moves too far from the mean (either up or down), the EA expects a pullback. |
| Bollinger Bands | A volatility indicator consisting of a middle band (SMA) and two outer bands (standard deviations). The EA uses these bands to identify entry and exit points. |
| ADX Indicator | Used to confirm sideways or ranging market conditions. The EA only enters trades when the ADX is low, indicating a lack of strong trend, which increases the probability of a mean reversion. |
| RSI (Relative Strength Index) | Used to identify overbought and oversold zones. The EA looks for RSI values above 70 (overbought) for sell signals and below 30 (oversold) for buy signals. |
| Confluence of Indicators | The EA requires alignment of Bollinger Bands, ADX, and RSI before entering a trade, ensuring higher confidence and filtering out weak or false signals. |
| Scalping | The EA aims to capture small, quick profits from short-term price movements, making it suitable for active trading sessions. |
Settings & Parameters -
The EA comes with a clean, user-friendly interface with essential parameters exposed for easy customization.
Visible Parameters:
| Parameter | Description |
|---|---|
| Lot Size | Fixed lot size for each trade. |
| Stop Loss (pips) | Distance from entry price to place stop loss. |
| Take Profit (pips) | Distance from entry price to place take profit. |
| Max Spread | Maximum allowed spread for trade execution. |
| Magic Number | Unique identifier for trades opened by this EA. |
| Trade Comment | Custom comment for identifying trades. |
Important Note: Several advanced parameters have been intentionally kept hidden in this version to simplify testing and reduce user confusion. These hidden settings include internal filters, risk management logic, and optimization variables that the developer is still fine-tuning.
Supported Instruments -
The EA has been primarily tested on the following instruments:
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XAUUSD (Gold) - Breakout & momentum-based scalping
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USDJPY - Mean reversion pullback strategy
Users are encouraged to test the EA on other currency pairs and assets as well.
Recommended Timeframe -
Main Timeframe: M5 (5-Minute) – This is the primary timeframe for which the EA is optimized, offering a balance between signal accuracy and trade frequency.
Additional timeframes that can be used:
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M1 (1-Minute) - For aggressive scalping
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M15 (15-Minute) - For smoother signals with fewer false entries
The EA automatically adapts to the timeframe selected on the chart. For best results, it is recommended to start with the M5 timeframe and test others based on your trading style.
Installation & Usage -
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Download the EA file (.ex5 or .mq5)
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Place it in the MQL5/Experts folder of your MetaTrader 5 installation
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Restart MT5 or refresh the Navigator panel
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Drag the EA onto a chart of your preferred instrument
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Adjust the visible parameters as needed
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Enable Allow DLL imports (if required)
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Ensure Allow automated trading is enabled in the MT5 toolbar
Development Status -
This Expert Advisor is currently in the TESTING STAGE.
This EA is not yet fully ready for live trading without careful monitoring. It is being shared with the community to gather feedback, test performance across different market conditions, and identify areas for improvement.
What to expect:
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Basic functionality is working
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Core trading logic is implemented
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Advanced features are still under development
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Risk management is being refined
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Further optimization is ongoing
I strongly recommend:
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Using a DEMO ACCOUNT for the initial testing period
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Starting with MINIMUM LOT SIZES
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Monitoring the EA closely during operation
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Testing on multiple instruments and timeframes before considering live deployment
Risk Disclosure & Disclaimer -
Trading forex, commodities, and other financial instruments carries a high level of risk and may not be suitable for all investors. The use of automated trading systems like this EA does not eliminate these risks.
By using this Expert Advisor, you acknowledge and agree that:
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Past performance does not guarantee future results
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The EA may incur significant losses
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The EA does not guarantee profits
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Market conditions can change rapidly, affecting EA performance
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Technical issues, connectivity problems, or broker-related factors can impact execution
Author's Liability -
THE AUTHOR OF THIS EXPERT ADVISOR IS NOT RESPONSIBLE FOR ANY FINANCIAL LOSSES, DAMAGES, OR OTHER LIABILITIES INCURRED THROUGH THE USE OF THIS SOFTWARE.
Trading decisions are ultimately the responsibility of the user. The author provides this EA for educational and testing purposes only. Users should exercise caution, conduct their own research, and consult with a qualified financial advisor before using this or any other trading system with real funds.
Feedback & Contributions -
Since this EA is in its testing phase, your feedback is highly valuable!
If you encounter:
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Bugs or errors
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Unexpected behavior
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Suggestions for improvement
Please share your experience in the comments section. Community feedback plays a crucial role in helping me refine and improve this EA for future versions.
Final Notes
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FREE TO USE - No purchase required, no hidden fees, no subscription
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NO TIME LIMITS - Works indefinitely without expiration
Happy Testing!
Remember: The best way to learn is to test, observe, and adapt. Good luck!
Quick Summary Card
| Feature | Details |
|---|---|
| EA Type | Mean Reversion Scalper |
| Indicators | Bollinger Bands, ADX, RSI |
| Trading Style | Scalping / Short-term |
| Recommended Pairs | XAUUSD, USDJPY |
| Main Timeframe | M5 (5-Minute) |
| Other Timeframes | M1, M15 |
| Status | Testing Stage |
| Price | FREE |
| Support | Community feedback only |
| Risk Warning | High risk - Use at your own discretion |
