The problem is not information
Ask a losing trader what the rules were and they can usually recite them. Stops, size, no trading after a bad day. The trouble is that the rules were written calmly and broken emotionally. Psychology in trading is the study of that gap.
A bad stretch is normal, even with an edge
Before the traps, a number. In our simulation of traders who win half their trades and make 1.5 times more on winners than they lose on losers, risking 2% per trade, the median worst drawdown over 300 trades was 19%. In 42% of runs the account fell at least 20% at some point, and these were traders with a genuine edge, who mostly finished well ahead.
If you do not expect that stretch, you will read it as proof that the strategy is broken and change something at exactly the wrong moment. Expecting it is the first discipline.
Five traps and how to answer them
1. Loss aversion: holding losers, cutting winners
In their prospect theory work, Daniel Kahneman and Amos Tversky found that people feel a loss roughly twice as strongly as an equal gain. In trading that shows up as hope: you hold a loser because closing it makes the loss real, and you cut a winner early because a gain feels fragile. Answer: decide the stop and the target before you enter, and treat moving a stop further away as a rule break.
2. FOMO: chasing the move
Gold rips higher, you are not in, and every candle makes you feel poorer. You buy near the top because missing it hurts more than a bad entry. Answer: if you did not plan the entry, you do not take it. There is always another move. Write the setup down in advance, so the market has to come to your plan and not the reverse.
3. Revenge trading: trying to win it back
After a loss the next trade is not about the market, it is about the last trade. Size creeps up, setups get sloppy, and one loss becomes three. Answer: a hard daily loss limit. When it is hit, you are done for the day, with no negotiation. Walk away, then review the next morning.
4. Overconfidence after a winning streak
Five wins in a row feels like skill. It may be luck, and raising your size on that feeling is how a good month becomes a bad week. Answer: change size only by a rule (for example, after a set number of trades or a set equity level), never by mood.
5. Drawdown panic: switching off at the bottom
A strategy has a bad run, and you turn it off or rewrite it, usually just before it recovers. For automated systems this is the classic error: the robot did not fail, the owner lost patience. Answer: know the expected drawdown in advance, set a rule for when you would genuinely stop (for example, a drawdown clearly beyond what testing showed), and otherwise leave it alone.
A simple rulebook you can print
- Before the session: write the setups you will take and the risk per trade.
- Before every entry: the stop, the target and the size are written down. No stop, no trade.
- During: one daily loss limit and one weekly loss limit. Hit either and you stop.
- After every trade: one line in a journal: setup, result, and whether you followed the plan.
- Weekly: count how many trades broke the plan. That number, not the profit, is your real score.
What a journal should record
- Date, time, direction, size, entry, stop, target, exit.
- Why you took it, in one sentence, written before the result is known.
- How you felt (calm, anxious, bored, angry). Patterns show up fast.
- Did you follow the plan? Yes or no. Nothing else counts as a lie to yourself.
Can automation fix psychology?
Partly. A rule-based robot does not feel fear or greed, and it takes every trade its rules call for. That removes the in-trade mistakes. It does not remove the human decisions around it: how much to allocate, when to switch it off, when to add. Those are where automated accounts are usually lost. Our EA trades gold in public, which makes the drawdowns visible to everyone, including us: you can watch the live account to see what a real drawdown looks like.
Frequently asked questions
What is revenge trading?
Taking a trade to win back a loss rather than because the setup is valid. It usually means bigger size and weaker setups. A daily loss limit is the standard defence.
How do I stop FOMO in trading?
Only take entries you planned in advance. If the move already happened and you had no plan, skip it: another one will come.
How big is a normal drawdown?
Bigger than most beginners expect. In our simulation of traders with a real edge risking 2% per trade, the median worst drawdown over 300 trades was 19%.
Does a trading bot remove emotions?
It removes emotions from entries and exits, but not from the decisions around it, such as turning it off during a drawdown.
Sources and method
- Daniel Kahneman and Amos Tversky, Prospect Theory: An Analysis of Decision under Risk, Econometrica, 1979
- Simulation: 20,000 accounts, 300 trades each, 50% win rate, winners 1.5x losers, 2% risk, independent trades, fixed seed. Run by our own code.