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Software & MT5 EA Developer | 30 years of programming | 7 years of trading em
30 years of programming. 7 years of trading. 5 published MetaTrader 5 Expert Advisors.

I’m Fabien Martino, a software developer with 30 years of programming experience and 7 years in trading. I develop MetaTrader 5 Expert Advisors for Bitcoin, Ethereum, gold and US index/stock CFDs, with five robots published on the MQL5 Market.

My MT5 portfolio has been published on the MQL5 Market since June 2026, with version updates, documented strategy rules and downloadable testing resources.

EXPLORE MY WORK
• QuantumBit Pro — Bitcoin adaptive grid on H1, with an H4 trend filter, ATR spacing and basket exits. Grid positions accumulate exposure.
https://www.mql5.com/en/market/product/182583

• Gold Regime H1 Pro — gold trend/regime trading with volatility-based sizing and ATR management. Published as “Gold Range Grid Mean Reversion”; additional entries are disabled by default in v4.10.
https://www.mql5.com/en/market/product/182989

• Crypto Portfolio Trend — BTC and ETH breakouts managed from one H1 instance, with shared portfolio risk budgets.
https://www.mql5.com/en/market/product/182221

• Bitcoin Regime H1 Pro — Bitcoin regime following with volatility-based exposure rebalancing. Profiles with and without adding after adverse moves are available for comparison.
https://www.mql5.com/en/market/product/185775

• US Core Dip Portfolio — daily long-only core above SMA200, with three RSI dip tiers, across a configurable basket of US index and stock CFDs. One MT5 instance manages the basket.
https://www.mql5.com/en/market/product/200102
Setup guide: https://www.mql5.com/en/blogs/post/777062

HOW I DEVELOP AND DOCUMENT
My work covers trend and regime filters, volatility-aware exposure, ATR stops and trailing, basket management, portfolio risk controls and execution checks. Features differ by EA and are explained on each product page.

The published tests show return, equity drawdown, profitable and losing periods, broker conditions and data limitations. Historical comparisons inform development; they are simulations, not independent forward validation or a live track record.

START WITH THE FREE RESOURCES
Strategy comparison, version-specific SET files, native MT5 backtest reports and setup instructions:
https://www.mql5.com/en/blogs/post/776668

Free open-source utility: Broker Basket Preflight checks contract specifications, quotes and minimum-volume calculations in the Experts journal, without placing orders.
https://www.mql5.com/en/code/78139
Install the free compiled version from the Market:
https://www.mql5.com/en/market/product/200118

CFD exposure checklist with worked examples (EN/FR):
https://www.mql5.com/en/blogs/post/777064

Use the free Market demo in the MT5 Strategy Tester before buying. After purchase or rental, evaluate on a demo account. Broker specifications, costs and execution can change results.

SETUP & SUPPORT
For installation, settings or test questions, contact me through MQL5 private messages or the product’s Comments. Include the EA version, exact broker symbol, settings and relevant journal lines, without account identifiers or credentials.

Leveraged trading can cause substantial losses. Software protections are not guaranteed loss ceilings. Past performance does not guarantee future results.
Fabien Martino
Publicado o postagem Spread MT5 : 50 points ne veulent pas dire 50 dollars (FR/EN)
Français, puis English. Un exemple de calcul à partir d'un journal MT5, sans ordre envoyé. Trois unités à distinguer Un spread peut être affiché en points, exprimé comme différence de prix, puis estimé en monnaie pour un volume donné...
Fabien Martino
Publicado o postagem Allocation MT5 : pourquoi 30 % peut devenir 0 lot (FR/EN)
Français, puis English. Exemple de dimensionnement, sans ordre ni résultat de performance. Un pourcentage valide peut être impossible à représenter Vous choisissez trois poids, 50 %, 30 % et 20 %. Leur somme est bien 100 %. Pourtant, l'un des instruments peut recevoir zéro lot...
Fabien Martino
Publicado o código Portfolio Allocation Planner — budget-to-lots dashboard and CSV
Before configuring a basket, see which target weights fit your broker's minimum lots. Portfolio Allocation Planner turns an explicit hypothetical notional budget and percentages into a chart table: minimum-lot notional, lots rounded down, calculated allocation, target shortfall and row status. Recalculate on demand, inspect row tooltips, paginate longer lists, and optionally export the displayed snapshot to CSV. No trades are sent and no account balance, equity or positions are read.
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Fabien Martino Produto publicado

Broker Basket Preflight Script de diagnóstico do MetaTrader 5 somente leitura para verificar os símbolos exatos da corretora antes de testar uma estratégia com vários símbolos. Mostra as regras de contratos e volumes, os incrementos de preço, a idade das cotações e o spread no diário Experts. Instale gratuitamente a versão pronta para uso pelo Market no MetaTrader 5 para computador, depois encontre Broker Basket Preflight em Navegador → Scripts → Market e execute-o em um gráfico separado. Abra a

Fabien Martino
Publicado o postagem Same EA settings, different broker exposure — CFD checklist (EN/FR)
English — a practical CFD comparison Identical portfolio EA inputs do not guarantee identical positions at two brokers. Compare the chain from target exposure to account currency, contract size, permitted lots, history and costs before comparing final returns...
Fabien Martino
Publicado o código Broker Basket Preflight — read-only contract and minimum-volume diagnostics
Read-only MT5 script for exact Market Watch symbols: contract and volume rules, quote age and spread, isolated BUY/SELL margin, one-tick price moves and spread-only results in account currency. MIT source; Experts journal output.
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Fabien Martino
Publicado o postagem US Core Dip Portfolio: setup, presets and exposure explained (EN/FR)
Français · English — choisissez votre langue / choose your language. Guide en français — US Core Dip Portfolio 1.00 Ce guide explique la stratégie, l’installation et les fichiers joints. Le UserKit contient deux presets SET et les manuels français/anglais ; il ne contient ni source ni EX5...
Fabien Martino Produto publicado

US Core Dip Portfolio US Core Dip Portfolio combina um núcleo de tendência apenas comprador com três níveis diários de reforço em quedas RSI. Uma instância MT5 gere uma cesta configurável de CFD sobre índices e ações dos EUA. Oferta de lançamento 99 USD para as primeiras 10 compras, depois 299 USD. Aluguer: 39 USD por um mês. 5 ativações. A oferta deste produto é independente dos outros EA. Estratégia Núcleo: exposição compradora alvo enquanto o fecho D1 concluído está acima da SMA200. Na SMA200

Fabien Martino
Publicado o postagem Bitcoin, Ethereum or gold: choose an MT5 EA by how it trades
A trading robot is easier to evaluate when you can explain how it opens, sizes and closes a position. My four MT5 Expert Advisors use different approaches. This guide helps you choose what to investigate before you spend money. I am Fabien Martino...
Fabien Martino
Fabien Martino
Portfolio update — October 2026

I started programming at 14: 30 years of software development and 7 years of trading experience. My four published MT5 Expert Advisors cover different approaches: a Bitcoin adaptive grid, gold regime following, BTC/ETH portfolio breakouts and Bitcoin volatility-based exposure rebalancing.

A clarification to my June introduction below: QuantumBit uses a grid. Risk controls, test models and features differ between products; they are documented individually. Historical tests are simulations, not a live performance record or a guarantee.

Start here: compare the strategies, download the version-specific SET files and inspect native MT5 reports, including losing periods.
https://www.mql5.com/en/blogs/post/776668

Try the free Market demo in the MT5 Strategy Tester before buying. For setup questions, contact me through MQL5 messages or product Comments.
Fabien Martino
Publicado o postagem EA Setup Hub: verified SET files, MT5 reports and strategy comparison
New resources — 7 October 2026 The portfolio now includes US Core Dip Portfolio 1.00 . It manages a configurable basket of US index and stock CFDs from one instance, using a daily long-only core above SMA200 and three RSI dip tiers. US Core uses D1...
Fabien Martino Produto publicado

Bitcoin Regime H1 Pro 2.00 — tendências do Bitcoin com ajuste à volatilidade Acompanhe os regimes de alta e baixa do Bitcoin a partir de um gráfico H1. O EA utiliza sinais confirmados, ajusta a exposição desejada à volatilidade medida e ao patrimônio líquido da conta e, em seguida, rebalanceia a diferença entre a posição existente e a necessária. Para traders que procuram uma estratégia sistemática de tendências do Bitcoin e compreendem os riscos do rebalanceamento e da entrada adicional

Fabien Martino
Publicado o postagem Itagold EAs — v1.10 update (BTC Grid Trend & Crypto Portfolio Trend)
🔄 Both Itagold Expert Advisors have been updated to v1.10. BTC Grid Trend v1...
Fabien Martino Produto publicado

Gold Range Grid Mean Reversion — versão 4.10 Estratégia atual: Gold Regime H1 Pro, um sistema de seguimento de tendência no H1. Entradas adicionais estão desativadas por padrão. Siga as tendências do ouro a partir de um gráfico H1, com exposição ajustada à volatilidade e gestão de posições baseada em ATR. Para traders que desejam regras claras e comparar retorno e drawdown antes de escolher uma estratégia automatizada. Identidade do produto: este EA é anunciado como Gold Range Grid Mean

Fabien Martino
Fabien Martino
New release: QuantumBit Pro - Bitcoin Adaptive Grid EA (MetaTrader 5)

I've just released my new MT5 Expert Advisor: a trend-filtered adaptive grid for Bitcoin (BTCUSD). Unlike blind martingale grids, it only adds positions in the direction of the H4 trend, banks profit on retracements, and exits the whole basket when the trend flips - with a hard floating-drawdown kill-switch and an optional capital-protection floor.

Highlights: ATR-spaced entries, capped levels and total lots (no unlimited martingale), trades both long and short, and a fully reproducible 6-year backtest on real broker data. Requires an MT5 hedging account and BTCUSD; a VPS is recommended.

Risk warning: trading leveraged crypto CFDs is risky and you can lose money. Backtests and past performance do not guarantee future results. Always test on a demo account first. This EA is a tool, not financial advice.
Fabien Martino Produto publicado

Oferta de lançamento limitada: 99 USD somente para as primeiras 10 compras. Restam 9 vagas a este preço. Depois, o preço passará para 299 USD. QuantumBit Pro 1.20 — grid adaptativo de Bitcoin para MT5 Opere Bitcoin a partir de um gráfico H1 com filtro de tendência H4, espaçamento do grid ajustado à volatilidade e saídas por cesta. QuantumBit destina-se a traders que entendem a exposição de um grid e desejam examinar a estratégia, os parâmetros e as evidências dos testes antes de utilizá-lo

Fabien Martino
Fabien Martino
I develop automated trading systems (Expert Advisors) for MetaTrader 5 with a single priority: performance that holds up in the real world — not just a good-looking backtest.

Every system I publish is fully rules-based and trend-following. No martingale, no grid, no repainting. All decisions are taken on closed bars, and capital protection is built in from the ground up: fixed percentage risk per trade, portfolio-level risk limits, daily loss caps and an economic-calendar news filter.

I test each EA on real broker data using the 1-minute "every tick" model over multi-year periods, and I run my systems on my own accounts before they ever reach the Market. I present my backtests honestly, state their exact conditions, and never promise profits — because these systems are built to manage drawdowns, not to sell a dream.

A question before or after a purchase? Message me — I reply. Thank you for visiting my profile.
Fabien Martino Produto publicado

Crypto Portfolio Trend 1.40 — Bitcoin e Ethereum em um único gráfico Gerencie BTCUSD e ETHUSD como um portfólio automatizado no MT5. O EA busca rompimentos confirmados por filtros de tendência e momentum, dimensionando e gerenciando posições dentro de orçamentos de risco compartilhados. Para traders que desejam uma estratégia sistemática de tendências crypto com regras claras de entrada, stops ATR e operação em um único gráfico. 99 USD para uso ilimitado. Experimente a demonstração gratuita do

Fabien Martino
Registrado no site MQL5.community