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”.
How EA Sellers Make Money (and Why Most EAs Don't)
Most of the money in Expert Advisors is made from selling them, not from running them. Six business models, what each one needs from the EA, and what our own research looks like when nobody is selling anything: one edge that held, and twenty published rejections.
EA sellers broker rebates martingale grid trading copy trading backtesting track record MT5 EA development
2026/10/19
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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.