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Finance and International Business professional with a specialization in Financial Management. Self-taught MQL5 and Python developer focused on algorithmic trading, multi-asset portfolio construction, and quantitative risk management.
My work centers on designing, optimizing, and validating Expert Advisors that operate as a coordinated portfolio rather than isolated strategies. I apply correlation analysis, temporal coverage mapping, and asset class diversification to build systems that do not rely on a single instrument or a single approach.
I currently manage algorithmic portfolios spanning forex, indices, metals, energy, and US equities, operating across multiple sessions and timeframes simultaneously.
I share my experience through technical articles and open-source tools in this community. I believe the shift from "building individual EAs" to "engineering portfolios" is the transition that separates retail from institutional thinking, and that principle guides everything I publish here.
My work centers on designing, optimizing, and validating Expert Advisors that operate as a coordinated portfolio rather than isolated strategies. I apply correlation analysis, temporal coverage mapping, and asset class diversification to build systems that do not rely on a single instrument or a single approach.
I currently manage algorithmic portfolios spanning forex, indices, metals, energy, and US equities, operating across multiple sessions and timeframes simultaneously.
I share my experience through technical articles and open-source tools in this community. I believe the shift from "building individual EAs" to "engineering portfolios" is the transition that separates retail from institutional thinking, and that principle guides everything I publish here.
Cristian David Castillo Arrieta
Published code Portfolio Scorer — Multi-EA Correlation and Coverage Analyzer
Portfolio Scorer is a standalone MQL5 script that evaluates the quality of a multi-EA portfolio across three critical dimensions that most algo traders overlook.
The script reads daily profit and loss data from CSV files (one per Expert Advisor), computes a full Pearson correlation matrix between every strategy pair, maps trading activity by UTC hour and weekday, detects asset class diversity, and produces a weighted composite score with a letter grade from A+ to F.
How it works:
The tool runs in four sequential stages. First, the Data Loader reads and validates CSV files containing daily returns for each EA in the portfolio. Second, the Correlation Engine calculates the complete NxN Pearson correlation matrix and flags pairs that exceed a configurable threshold. Third, the Coverage Analyzer maps which hours and weekdays have active trading and identifies blind spots. Fourth, the Scoring Function combines all three dimensions into a single composite score using adjustable weights.
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Cristian David Castillo Arrieta
It was late 2022. I had spent six months building what I believed was the perfect Expert Advisor. The backtest was gorgeous: Profit Factor 3.2, maximum drawdown under 5%, a Sharpe ratio that would make a hedge fund manager jealous . I had optimized every parameter. Every indicator period...
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Cristian David Castillo Arrieta
AbacuQuant 3.7 — The Complete User Manual: From Installation to Live Portfolio A comprehensive, practical guide to configuring, optimizing, and deploying AbacuQuant — the institutional-grade algorithmic trading system for MetaTrader 5...
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Cristian David Castillo Arrieta
AbacuQuant Works on Any Market — Here Are the Set Files to Prove It
15 March 2026, 02:22
AbacuQuant Works on Any Market — Here Are the Set Files to Prove It One algorithmic trading system, seven asset classes, validated on Darwinex Zero. Download the sets, run the tests yourself, and see what systematic trading really looks like...
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Cristian David Castillo Arrieta
🔍 The One Question Every Trader Asks — And Why Most Never Find the Answer
“Are my settings actually working… or am I just lucky?”
Be honest. You’ve been there.
You find a strategy that looks promising. You tweak a moving average here, adjust a stop loss there, maybe change the timeframe. It works for a week. Then the market shifts — and everything falls apart.
So you start over. Again.
This isn’t a failure of discipline. It’s a failure of process. Manual optimization is a guessing game disguised as analysis. You’re testing a handful of combinations out of thousands — maybe millions — of possibilities. The odds of landing on the best parameters by hand? Almost zero.
What If Your EA Could Find the Answer for You?
This is exactly the problem AbacuQuant was built to solve.
AbacuQuant doesn’t just give you a strategy. It gives you a framework to discover the optimal version of that strategy — for any instrument, on any timeframe, under real market conditions.
Here’s how:
→ One EA. 10+ Built-In Strategies.
From Fibonacci confluences and imbalance detection to Bollinger reversals and candlestick pattern recognition — AbacuQuant packs institutional-grade strategies into a single Expert Advisor. You don’t need ten different EAs. You need one that adapts.
→ Full Optimization Power Across Any Market.
EURUSD on H1? Gold on M15? NASDAQ on H4? It doesn’t matter. AbacuQuant’s architecture is instrument-agnostic and timeframe-flexible. Run the MetaTrader 5 Strategy Tester, and let the optimization engine do what no human can: test thousands of parameter combinations systematically to surface the configurations that actually perform — not the ones that just look good on a single backtest.
→ AI-Assisted Analysis to Confirm What the Data Shows.
Here’s where it gets powerful. AbacuQuant integrates directly with AI models (OpenAI, Google Gemini, DeepSeek) to provide a second layer of confirmation. Before entering a trade, the AI analyzes current market context — trend structure, volatility regime, key levels — and validates whether the signal aligns with broader conditions. It’s like having a senior analyst reviewing every setup before execution.
The Real Edge Isn’t the Strategy. It’s the Process.
Most traders spend years searching for the “perfect” strategy. The truth? No single set of parameters works forever. Markets evolve. What separates profitable traders from the rest is the ability to re-optimize, re-validate, and re-deploy — quickly and confidently.
With AbacuQuant, that process looks like this:
1. Select your instrument and timeframe.
2. Run optimization using the MT5 Strategy Tester with your preferred criteria.
3. Analyze the results — filter by profit factor, drawdown, recovery factor.
4. Enable AI confirmation to add a layer of contextual intelligence.
5. Deploy with confidence, knowing your parameters are data-driven, not gut-driven.
Whether you’re building a single-instrument setup or constructing a diversified multi-asset portfolio, AbacuQuant scales with you.
Don’t Take Our Word for It. Test It Yourself.
AbacuQuant is available for free download in demo mode on the MQL5 Market. No commitment. No risk. Just results you can verify on your own charts, with your own instruments, on your own terms.
👉 Download the demo now and run your first optimization today.
Because the best time to stop guessing was yesterday. The second best time is right now.
“Are my settings actually working… or am I just lucky?”
Be honest. You’ve been there.
You find a strategy that looks promising. You tweak a moving average here, adjust a stop loss there, maybe change the timeframe. It works for a week. Then the market shifts — and everything falls apart.
So you start over. Again.
This isn’t a failure of discipline. It’s a failure of process. Manual optimization is a guessing game disguised as analysis. You’re testing a handful of combinations out of thousands — maybe millions — of possibilities. The odds of landing on the best parameters by hand? Almost zero.
What If Your EA Could Find the Answer for You?
This is exactly the problem AbacuQuant was built to solve.
AbacuQuant doesn’t just give you a strategy. It gives you a framework to discover the optimal version of that strategy — for any instrument, on any timeframe, under real market conditions.
Here’s how:
→ One EA. 10+ Built-In Strategies.
From Fibonacci confluences and imbalance detection to Bollinger reversals and candlestick pattern recognition — AbacuQuant packs institutional-grade strategies into a single Expert Advisor. You don’t need ten different EAs. You need one that adapts.
→ Full Optimization Power Across Any Market.
EURUSD on H1? Gold on M15? NASDAQ on H4? It doesn’t matter. AbacuQuant’s architecture is instrument-agnostic and timeframe-flexible. Run the MetaTrader 5 Strategy Tester, and let the optimization engine do what no human can: test thousands of parameter combinations systematically to surface the configurations that actually perform — not the ones that just look good on a single backtest.
→ AI-Assisted Analysis to Confirm What the Data Shows.
Here’s where it gets powerful. AbacuQuant integrates directly with AI models (OpenAI, Google Gemini, DeepSeek) to provide a second layer of confirmation. Before entering a trade, the AI analyzes current market context — trend structure, volatility regime, key levels — and validates whether the signal aligns with broader conditions. It’s like having a senior analyst reviewing every setup before execution.
The Real Edge Isn’t the Strategy. It’s the Process.
Most traders spend years searching for the “perfect” strategy. The truth? No single set of parameters works forever. Markets evolve. What separates profitable traders from the rest is the ability to re-optimize, re-validate, and re-deploy — quickly and confidently.
With AbacuQuant, that process looks like this:
1. Select your instrument and timeframe.
2. Run optimization using the MT5 Strategy Tester with your preferred criteria.
3. Analyze the results — filter by profit factor, drawdown, recovery factor.
4. Enable AI confirmation to add a layer of contextual intelligence.
5. Deploy with confidence, knowing your parameters are data-driven, not gut-driven.
Whether you’re building a single-instrument setup or constructing a diversified multi-asset portfolio, AbacuQuant scales with you.
Don’t Take Our Word for It. Test It Yourself.
AbacuQuant is available for free download in demo mode on the MQL5 Market. No commitment. No risk. Just results you can verify on your own charts, with your own instruments, on your own terms.
👉 Download the demo now and run your first optimization today.
Because the best time to stop guessing was yesterday. The second best time is right now.
Cristian David Castillo Arrieta
Esta disponible la nueva versión de AbacuQuant 2.0 en la que se integra análisis y confirmación de señal con IA, ya no solo dependerán tus entradas (si asi lo habilitas) del resultado de backtesting ahora podrás pedirle a Gemini, ChatGBPT, Deepseek o la IA de tu elección que valide la entrada y si no esta de acuerdo Abacuquant la rechazará
anímate a probar esta nueva versión ahora mismo: https://www.mql5.com/es/market/product/141388
anímate a probar esta nueva versión ahora mismo: https://www.mql5.com/es/market/product/141388
Cristian David Castillo Arrieta
AbacuQuant es un Asesor que permite analizar el mercado desde muchas perspectivas (Fibonacci, MACD, RSI, Patrones de Vela, ADX, Bollinger, etc), también puedes determinar cual es el mejor día u horario para operar y elegir diferentes maneras de administrar los stop loss o take profit incluso por promedio ponderado.
AbacuQuant es un todo en uno, comienza a optimizar tu estrategia con AbacuQuant.
AbacuQuant es un todo en uno, comienza a optimizar tu estrategia con AbacuQuant.
Cristian David Castillo Arrieta
¡Hola y bienvenido al universo de AbacuQuant! Si estás aquí, es probable que tengas una mezcla de curiosidad, ambición y quizás un poco de nerviosismo sobre el mundo del trading...
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Cristian David Castillo Arrieta
Published product
AbacuQuant Works on Any Market — Here Are the Set Files to Prove It LIVE SIGNAL: CLICK HERE Manual Why Traders Choose AbacuQuant Real AI, Not Marketing AI Most EAs that claim "AI-powered" simply use optimized indicators and call it artificial intelligence. AbacuQuant integrates directly with OpenAI, Google Gemini, and DeepSeek APIs to analyze market context, confirm signals, and generate HTML analysis reports. This is genuine machine learning applied to trading — not a buzzword. 10+
Cristian David Castillo Arrieta
Added topic Help to convert Indicator Fractal level xrust to EA
Hi, i am trying to hello I am trying to migrate this indicator to an EA but I have not been able to with this part of the code: //+------------------------------------------------------------------+ //| Custom indicator iteration
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Cristian David Castillo Arrieta
Added topic Help me with Custom Indicator Fractal Xrust
Hi, i need to use this indicator in my EA Fractal Xrust but I have not been able to identify the top line and the bottom line when I call the indicator in my EA, i used icustom, after copybuffer but I can't identify the line above
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