Beneath every trading emotion sits a bias — a repeatable, predictable distortion of judgement first documented by researchers like Kahneman, Tversky, Shefrin and Statman. The good news about biases being systematic is that systematic problems accept systematic answers: you cannot delete a bias, but you can build rules it cannot penetrate. Pick your leak:
Loss Aversion
Losses feel roughly twice as heavy as gains — the engine behind held losers, widened stops and averaging down.
Disposition Effect
Selling winners too early, holding losers too long — loss aversion’s signature in your exits.
Recency Bias
The last three trades rewrite your judgement — streak sizing, system-hopping, regime assumptions.
Overconfidence Bias
Winning streaks dissolve risk discipline — skill stories written by luck.
Anchoring Bias
Your buy price, round numbers and old highs quietly bend every decision.
Sunk Cost Fallacy
“I’ve already lost so much” — how spent money argues for spending more.
Not sure which bias dominates your trading? The free Trader’s Mind Scorecard maps your pattern in minutes — and the complete trading psychology guide shows how bias-control fits the full process-based system.