Loss aversion — cutting gains too early, letting losses run.
Sunk cost — holding a losing trade "because you already lost".
Overconfidence — over-sizing after a winning streak.
Recency bias — over-weighting the latest trades / the last session.
Confirmation bias — seeing only what confirms your idea.
Gambler's fallacy — believing that after X losses a win is "due".
Anchoring — staying fixated on an entry price or an arbitrary level.
Disposition effect — selling winners too early and keeping losers.
Overtrading — trading for action / boredom, not for a real signal.
Illusion of control — believing you control the market's randomness.
Self-serving bias — taking credit for wins, blaming the market for losses.
FOMO — entering in a rush for fear of missing the move.