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”.

EA Predefined Methods Explained: The Real Structure of MT5 Expert Advisors

Learn all predefined methods used in MT5 Expert Advisors. This beginner-friendly guide explains OnInit, OnTick, OnTrade, indicators, trading functions, and which ones actually matter when building real EAs.

MT5 EA Methods MQL5 Predefined Functions Expert Advisor Tutorial EA Programming Basics MT5 Automation
2026/01/13

Categories

Tags

EA Programming Basics (1) Expert Advisor Tutorial (1) MQL5 Predefined Functions (1) MT5 Automation (1) MT5 EA Methods (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.