Laboratorio de Sistemas de Trading

One File Decides, Another File Acts

Where you draw the line between deciding and trading is the most consequential decision in an EA. A strategy module you can call with plain numbers, a verdict that explains itself — and the failed strategy that proved it was worth it.

MQL5 MT5 Expert Advisor EA development architecture testing tutorial course

Your First EA Places No Trades

Your first Expert Advisor should read the market and publish what it thinks — nothing more. Build the signal-only EA that fills our signals page, from its real source, and learn why every read uses the last closed bar.

MQL5 MT5 Expert Advisor EA development closed bars tutorial course

MT5 Backtest Report Fields Explained: Profit, Drawdown, and Trade Stats

A practical guide to MetaTrader 5 backtest report fields. Learn what Profit Factor, drawdowns, Sharpe ratio, expected payoff, and trade statistics mean, and how to read them for stable EA evaluation.

MT5 Backtest Profit Factor Drawdown Expert Advisor Strategy Tester techniques