Wisdom From 20+ Years of Algorithmic Trading
14 collected essays from Wim Schrynemakers on judging a trading system, sizing risk, and the habits that decide whether an account survives. The material he wishes someone had handed him before he bought his first Expert Advisor.
- 75 pages
- 14 essays
- 20+ years of trading
- PDF, read anywhere

Four Parts, 14 Chapters
What's Inside
Part 1
Judging a Trading System
How to tell a system worth running from one that only looks good on paper.
- Evaluating Trading Systems: Characteristics and Quality
- Trading Robots: Why Buying EAs Is a High-Stakes Game of Probabilities
- Why You Need to Run Your Own Backtests
- Avoiding the Curve-Fitting Trap
- The Scam Jungle: How to Spot the Snake Oil
Part 2
Risk and Capital
Why the drawdown column matters more than the profit column.
- You Say Profit, I Say Drawdown: Why Capital Safety Is the Real MVP
Part 3
The Trader Behind the Robot
The habits that decide whether an account survives its own owner.
- Trader Psychology: Embracing the Art of Losing
- Messing With Your Expert Advisor: Five Reasons to Keep Your Hands Off
- The Algo Trading Trap: Sell Low, Buy High?
- Ten Reasons Why People Fail to Live From Automated Trading
Part 4
Strategy in Practice
What actually holds up in live markets, and what only sounds clever.
- The G.O.A.T. of Trading Systems: The Breakout of Support and Resistance
- Reversing Strategies: Why Flipping a Losing System Is a Fool's Errand
- Prop Firms Hate This Trick: How I Reached 3 Million AUM on Darwinex
- Gold Reaper: Why I Think It's the GOAT of Expert Advisors
Written for Traders Who Buy Systems
What You'll Take Away
Judge a System Before You Buy
The questions a backtest has to survive, the numbers that mean nothing on their own, and the tells of a curve-fitted result.
Read Drawdown Properly
Why capital safety decides how long you last, and how to size a portfolio around the losing months instead of the winning ones.
Keep Your Hands Off
The five ways traders break a working Expert Advisor, and the reasons most people never make it to the point where the edge pays out.

Written by Wim Schrynemakers
Founder, Profalgo Limited
Twenty years of building, breaking and running automated systems, more than 10,000 products sold on MQL5, and live track records published on Myfxbook. These essays are the unfiltered version: the mistakes, the drawdowns, and the reasoning behind how the systems are built.
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This book is educational material, not financial advice, and nothing in it is a promise of future returns. Trading carries risk. Please read our risk warning.