27 Trading Mistakes I Wish I Avoided Sooner

19 May 2026 · 21 min
20:36

In this 27‑minute instructional video, seasoned trader Adrian Reid shares 27 concrete lessons drawn from over 20 years of systematic trading experience. He emphasizes that most trading failures stem from poor execution, flawed backtests, and psychological biases rather than the underlying strategy itself. Key themes include the importance of honest backtesting, constraint‑driven consistency, risk management as a core strategy, understanding variance through Monte Carlo analysis, building confidence in a system, avoiding win‑rate obsession, treating the market as indifferent to personal losses, resisting "this time is different" thinking, embracing uncomfortable but high‑expectancy trades, keeping systems simple, prioritising smooth equity curves, trading systematically instead of discretionary, recognizing crowd psychology, avoiding over‑trading, trusting only fully vetted systems, letting data trump opinions, focusing on profitability over being right, eliminating small leaks, simplifying rather than adding complexity, accounting for market regimes, responding rather than predicting, building discipline as a skill, letting systems drive decisions, implementing concepts incrementally, and finally elevating thinking from individual trades to system‑level and portfolio‑level management. The video concludes with a call to action to visit his website for further systematic trading education.

Chapters

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