Trading Systems Lab

Practical notes on EA building, MT5 testing, risk control, and market timing. Less hype, more systems.

Tip: Use short keywords like “London”, “ATR”, “spread”, “JPY”.

TrendEA.mq5 + Trend.mqh Explained: Line-by-Line Walkthrough (MT5) Part 1

A practical, line-by-line walkthrough of a production-ready MT5 Trend EA architecture: a pure strategy module (Trend.mqh) and an execution engine (TrendEA.mq5). Learn how indicator logic becomes signals, how signals become orders, and how safety gates keep EAs reliable in live trading.

MQL5 Code Walkthrough Trend EA MT5 EA Architecture EA Execution Engine Maintainable EA
2026/02/11

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EA Execution Engine (1) MQL5 Code Walkthrough (1) MT5 EA Architecture (1) Maintainable EA (1) Trend EA (1)
How to use this blog
  • Pick a session (Tokyo/London/NY) and test one idea.
  • Use fixed risk per trade, then optimize only after stability.
  • Bookmark your best setups and keep a track record.