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Research and Develop a Robust Commercial XAUUSD EA for MT5 – Strategy Research + Full Source

MQL5 EA Forex Trading robot/indicator debugging Strategy optimization Statistics and mathematics Strategy modules Panels and dialog boxes Data mining

명시

I am looking for an experienced MQL5 developer who can BOTH research trading strategies and develop a commercial-quality MetaTrader 5 Expert Advisor.

This is NOT simply a coding job.

The developer is free to choose the trading logic, indicators, entry method, exit method, timeframe architecture and strategy type.

I do not require the EA to copy or resemble any existing commercial EA.

My priority is:

ROBUST LONG-TERM PROFITABILITY
+
CONTROLLED DRAWDOWN
+
STRATEGY STABILITY
+
COMMERCIAL QUALITY

MAIN MARKET:
XAUUSD / MetaTrader 5.

TARGET BUDGET:
Approximately USD 1,500.

Budget is negotiable for a developer who can demonstrate genuine experience in strategy research, robustness testing and live automated trading.

==================================================
1. MAIN OBJECTIVE
==================================================

Research, develop, validate and deliver a robust XAUUSD Expert Advisor.

The trading logic may use:

- Trend following
- Breakout
- Momentum
- Mean reversion
- Price action
- Market structure
- Statistical methods
- Multi-timeframe analysis
- Volatility models
- Volume-based logic
- Or another original trading approach

I care about the RESULT and robustness, not the specific trading logic.

The system must not use copied/decompiled commercial code.

==================================================
2. HISTORICAL TESTING
==================================================

The EA should preferably be evaluated over approximately 7-10 years of XAUUSD historical data.

Testing should use:

Every Tick Based On Real Ticks

where suitable and available.

The developer must provide reproducible MT5 Strategy Tester reports.

==================================================
3. TARGET PERFORMANCE
==================================================

These are preferred robustness targets and should NOT be achieved through curve fitting.

Preferred targets:

Overall Profit Factor:
>= 1.30
Preferably 1.40 or higher

Maximum Equity Drawdown:
<= 15%
Preferably <= 10-12%

Recovery Factor:
>= 2.0
Preferably >= 2.5

Out-of-Sample Profit Factor:
>= 1.15
Preferably >= 1.25

Untouched Holdout:
Must remain profitable or demonstrate clearly positive long-term expectancy.

Profitable years:
Preferably >= 70-80% of tested years.

Trade sample:
Must contain enough trades for meaningful statistical analysis.

Profit should be reasonably distributed across different years, quarters and market conditions.

The EA does NOT need to make profit every month.

Moderate, stable returns are preferred over extremely high returns with large risk.

==================================================
4. PROFIT CONCENTRATION
==================================================

The EA must not depend excessively on a small number of exceptional trades or trading days.

The developer should provide:

- Year-by-year performance
- Month-by-month performance
- Best year
- Worst year
- Best month
- Worst month
- Maximum stagnation
- Maximum consecutive losses
- Long performance separately
- Short performance separately
- Contribution of the best trading days/trades to total profit

A strategy where most historical profit comes from only a few exceptional days will not be considered robust.

==================================================
5. OUT-OF-SAMPLE / HOLDOUT
==================================================

The development process must include:

IN-SAMPLE DEVELOPMENT
+
OUT-OF-SAMPLE VALIDATION
+
INDEPENDENT UNTOUCHED HOLDOUT

The exact final private holdout period may be selected and tested independently by the Customer.

The strategy must not be optimized after seeing the final private holdout results.

==================================================
6. WALK-FORWARD ANALYSIS
==================================================

Walk-forward testing is required.

The system should demonstrate reasonably stable performance across multiple rolling development/testing periods.

A strategy that performs well only during one optimized historical window will not be accepted.

==================================================
7. PARAMETER ROBUSTNESS
==================================================

Important parameters must be tested for sensitivity.

The strategy should not depend on one exact parameter combination.

Important parameters should be tested approximately:

+/-10%
and where appropriate
+/-20%

around the selected values.

The surrounding parameter region should remain reasonably stable.

A single narrow optimized peak surrounded by losing parameter combinations will be considered overfitting.

==================================================
8. COST / SPREAD / SLIPPAGE STRESS
==================================================

The EA must be tested under increased trading costs.

Required tests should include, where practical:

Normal trading costs
1.25x trading costs
1.50x trading costs
2.00x trading costs

Spread and slippage stress testing should also be performed.

At approximately 1.5x normal trading costs, the EA should preferably remain profitable.

At 2x costs, performance may deteriorate but the system should not catastrophically fail.

==================================================
9. MONTE CARLO / EXECUTION ROBUSTNESS
==================================================

Monte Carlo analysis is required.

Preferably at least approximately 1,000 simulations.

Tests may include:

- Randomized trade order
- Increased slippage
- Spread disturbance
- Randomly missed trades
- Entry delays
- Execution disturbances

The analysis should provide information about:

- Expected drawdown
- 95th percentile drawdown
- Worst-case drawdown
- Final equity distribution
- Risk of severe loss

==================================================
10. MULTIPLE DATA / BROKER ENVIRONMENTS
==================================================

The EA should be tested using more than one broker/data environment where practical.

Results do not need to be identical.

However, the strategy should not be strongly profitable on one broker while becoming structurally unprofitable on other reasonable XAUUSD data.

==================================================
11. RISK MANAGEMENT
==================================================

Required:

- Fixed Lot mode
- Risk % mode
- Real broker-side emergency Stop Loss
- Take Profit / exit management
- Maximum Lot protection
- Maximum open risk
- Daily Loss Limit
- Maximum total Equity Drawdown protection
- Spread filter
- Margin checks
- Trading-session controls
- Safe recovery after MT5/VPS restart

Preferred default commercial risk:

SAFE:
approximately 0.25% risk/trade

BALANCED:
approximately 0.50% risk/trade

ACTIVE:
approximately 0.75% risk/trade

The default configuration should be conservative.

==================================================
12. PROHIBITED RISK METHODS
==================================================

NOT ACCEPTED:

- Martingale
- Unlimited Grid
- Increasing lot after losses
- Unlimited averaging into losing trades
- Hidden loss-recovery systems
- Unlimited DCA
- Recovery systems designed mainly to hide drawdown
- Trading without a real broker-side emergency Stop Loss
- Look-ahead bias
- Future information leakage
- Repainting historical logic that creates unrealistic historical trades

==================================================
13. EXECUTION SAFETY
==================================================

The EA must correctly handle:

- High spread
- Invalid volume
- Invalid stops
- Insufficient margin
- Market closed
- Trading disabled
- Connection interruption
- MT5 restart
- VPS restart
- Existing positions/orders after restart

The EA must not duplicate trades after restart.

==================================================
14. BROKER COMPATIBILITY
==================================================

The EA must not be hard-coded for only one broker.

It must correctly handle:

TickSize
TickValue
Point
Digits
VolumeMin
VolumeMax
VolumeStep
StopsLevel
FreezeLevel
ContractSize
Margin requirements

It should support common XAUUSD naming variations such as:

XAUUSD
XAUUSDm
XAUUSD.a
and other broker suffix/prefix formats where practical.

==================================================
15. COMMERCIAL QUALITY
==================================================

The final EA is intended for commercial sale on MQL5 Market.

The final product must:

- Be written for MetaTrader 5 / MQL5
- Compile with 0 errors
- Preferably compile with 0 warnings
- Use no DLL
- Use no external licensing system
- Use no unauthorized third-party commercial code
- Use no copied/decompiled source
- Be suitable for MQL5 Market automatic validation
- Have clean and maintainable source code

==================================================
16. FINAL DELIVERABLES
==================================================

Final delivery must include:

- Complete .mq5 source code
- ALL required .mqh source files
- Final .ex5 build
- All required .set/preset files
- Backtest reports
- Out-of-sample reports
- Walk-forward results
- Parameter sensitivity results
- Trading-cost/spread/slippage stress results
- Monte Carlo results
- Documentation / User Guide
- Any files required to reproduce the delivered EA

There must be no missing encrypted or private dependency required to compile the EA.

==================================================
17. COMMERCIAL RIGHTS
==================================================

The Customer must receive full commercial rights to the completed EA.

The Customer must have the right to:

- Modify the source code
- Compile the source code
- Sell the completed EA commercially
- Publish and sell the final product on MQL5 Market

The developer must not resell or repackage the completed EA as the same commercial product.

==================================================
18. PAYMENT / FINAL ACCEPTANCE
==================================================

No partial payment, advance payment or external payment will be made.

All payment must remain within the official MQL5 Freelance system.

FINAL WORK ACCEPTANCE will occur only after ALL required deliverables have been uploaded to the MQL5 Freelance Order and verified by the Customer.

Before Final Work Acceptance, the Customer must be able to:

1. Receive the complete MQ5/MQH source code.
2. Compile the complete source successfully.
3. Run the EA independently.
4. Reproduce the agreed backtests.
5. Verify the agreed robustness tests.
6. Verify the risk-management functions.
7. Verify there are no missing source dependencies.
8. Verify there is no DLL or external license dependency.
9. Verify compliance with this Requirements Specification.

Providing only EX5 files, screenshots, videos, remote demonstrations or historical backtest images does NOT constitute Final Work Acceptance.

The Customer will not confirm Final Work Acceptance until the complete project has been delivered and the agreed acceptance criteria have been verified.

==================================================
19. WHO SHOULD APPLY
==================================================

When applying, please explain your real experience with:

1. MQL5 Expert Advisor development
2. XAUUSD strategy research
3. Systematic trading research
4. Out-of-sample validation
5. Walk-forward analysis
6. Monte Carlo analysis
7. Parameter sensitivity testing
8. Real-tick Strategy Tester testing
9. Broker/execution robustness
10. Live automated trading systems

Please provide relevant examples from previous work if available.

I prefer a developer who understands BOTH:

SYSTEMATIC TRADING RESEARCH
+
MQL5 DEVELOPMENT

I am NOT interested in:

- Unrealistic 90-99% win-rate screenshots
- Extremely optimized historical curves without OOS validation
- Martingale disguised as risk management
- Grid systems with hidden tail risk
- Claims of guaranteed profits

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