1. What is Overconfidence
Overconfidence is rating your ability / accuracy higher than reality — usually after a winning streak, making you think you've "cracked" the market.
2. Why it matters
- Overconfidence leads to bigger size, more trading, dropped discipline — right when risk is highest.
- It's dangerous because it arrives after wins, when you feel right and are least on guard.
3. Warning signs
- After a few wins, sharply increasing size.
- Ignoring the plan because "this one's a sure thing".
- Trading more than usual (overtrading).
- Dismissing risk, dropping the stop because "I read the market well".
4. How to control it
- Keep risk % fixed whether winning or losing — don't let a streak raise size without discipline.
- Separate luck from skill: a short winning streak may be random, proving nothing.
- Rely on the journal and numbers rather than a feeling of being "hot".
- Rule: only size up with enough statistical evidence over a long sample, not after a few lucky trades.
5. Worked example
Win 5 in a row, feel invincible, size up 4× on trade 6 and drop the stop. Trade 6 is wrong — and because it was 4× with no stop, one trade erases the gains of all 5 prior wins, maybe negative. The winning streak doesn't kill you; the confidence after it does.
6. Common mistakes
- Sizing up after a streak without a system.
- Overtrading because you feel "hot".
- Dropping the stop trusting your own read.
- Mistaking luck for skill.
7. FAQ
- What's wrong with confidence? Confidence based on numbers and process is good. Overconfidence is confidence beyond the actual evidence.
- How do I know I'm overconfident? If your size/frequency rises just because you're "winning", that's the sign.
8. Tools
- A fixed-size rule by risk %.
- A trading journal — review your "hot" periods to see they often end in one big loss from oversizing.
9. Checklist
- ☐ Is this trade's size raised just because I recently won?
- ☐ Am I trading more than usual?
- ☐ Is this decision based on system/numbers or a feeling of being right?