FOMO
Entering a trade primarily because price already moved, and it feels like missing out on further gains. The move that already happened isn't evidence about what happens next — chasing it skips the original plan entirely.
Every rule covered so far — stop placement, position sizing, expectancy — can be overridden in a single moment by a feeling. Recognizing the pattern in the moment is what keeps the plan intact.

Loss aversion makes losses feel disproportionately painful and can trigger avoidance, revenge trading, or sudden size changes. Psychology work is about keeping emotion from silently rewriting the process.
Make three consecutive decisions. You do not need to suppress emotion—only identify which action protects the prewritten process.
All three followed the plan and stopped out. A fourth valid signal appears.
Every previous lesson in this module assumed a plan is actually followed: a stop tied to invalidation, a position size solved from that stop, an expectancy calculation trusted over many trades. In the moment, a feeling — excitement, panic, embarrassment — can override every one of those decisions in a single click.
Switch between four common patterns, and read how each one replaces a plan-based decision with a reaction to a feeling.
Entering a trade primarily because price already moved, and it feels like missing out on further gains. The move that already happened isn't evidence about what happens next — chasing it skips the original plan entirely.
Re-entering the market quickly after a loss, specifically to win back what was just lost. Sizing and timing here are driven by the previous loss, not by a new, independently valid setup.
Increasing position size or skipping normal checks after a string of recent wins. A winning streak doesn't change the underlying odds of the next trade — treating it as if it does inflates risk exactly when confidence is highest.
Refusing to exit a losing position at the planned stop, because closing it would make the loss final. The loss already exists whether or not the position is closed — delaying the exit only removes the plan's protection.
FOMO treats a move that already happened as if it were new evidence to act on right now. Revenge trading treats a recent loss as a reason to size up or re-enter immediately. Neither one starts from an independently valid setup — both start from a reaction to what the market just did.
A string of recent wins doesn't change the underlying odds of the next trade, even though it can feel like it does — which is exactly when checklists and normal position sizing tend to get skipped. On the other side, a losing position can trigger a freeze: refusing to exit at the planned stop because closing it would make the loss official, even though the loss already exists either way.
Confidence rises, but the odds of the next trade haven't changed — checks and discipline matter just as much as before.
The urge to avoid confirming a loss can override a stop that was set for exactly this situation.
Pick a case and identify which behavioral pattern best explains what's happening.
After watching an asset rally for an hour without them, a trader jumps in near the top of the move without a plan. FOMO — entering based on a move that already happened, not a new, independently valid setup.
Immediately after a stop-loss triggers, a trader doubles their usual position size on the very next trade to make back the loss. Revenge trading — sizing driven by the previous loss rather than a fresh, independently valid setup.
After five winning trades in a row, a trader stops using their usual checklist and takes a much larger position than normal. Overconfidence — treating a recent winning streak as if it changes the odds of the next trade.
Is this excitement about a missed move, urgency after a loss, confidence from a streak, or reluctance to accept a loss?
Is there an independently valid reason to act, separate from the feeling itself?
Does this decision match what was written down before any of this happened?
Would this still look reasonable after a short pause?
FOMO, revenge trading, overconfidence, and freezing all feel different from the inside than they look from outside.
Only an independently valid reason justifies overriding the plan — the feeling alone never does.
A recent streak doesn't raise future odds, and a loss doesn't grow by being accepted on schedule.
Submit your answers to see detailed explanations.
Describe a recent decision and what you were feeling at the time, and Mira can help you check it against these four patterns — it won't tell you what to do with a current position.
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Understand loss aversion: people typically feel a loss more strongly than an equal-sized gain, and this bias can lead people to break a pre-defined invalidation line. Judging an exit should come back to the thesis/rules, not to your cost basis.
Distinguish 'new information that genuinely changes trading conditions' from 'the feeling that if you don't get in now you'll miss out, caused by a fast price move.' A price rise itself can be information, but it must be run back through the rules; when there's no setup, missing a trade is cheaper than breaking your system.