Emotional Trading: A Diagnostic for Finding Which One You Are Actually Doing

By Sofia Harchich | Trading Psychologist & Behavioural Finance Writer| thewealthmirror.com

Emotional trading is the most-used phrase in this field and one of the least useful, because it names a symptom that four different mechanisms produce.

A trader says they trade emotionally and means, variously: that they size up after wins, that they cannot close losers, that they enter without signals on flat days, or that they follow a plan for three days and abandon it on the fourth. Four behaviours, one label, four incompatible remedies — and applying the wrong one accounts for a great deal of wasted effort.

What follows sorts them. Work through the questions in order; each rules out a mechanism, and stopping at the first one that fits is the point.

Question one: is your emotional trading tracking your state at the open?

Log one word before each session, before any chart is opened — settled, activated, or flat — for ten sessions. Mark which sessions contained the behaviour.

Clustering on activated or flat days identifies a state problem, and this is the most common finding by some margin.

Emotional trading on this reading is a capacity operating under a physiological condition rather than a character trait. The intervention belongs before the open and is physiological: three minutes of down-regulation on activated days, up-regulation on flat ones, and reduced size on both. Adding rules here produces a more elaborate procedure that gets abandoned at the same point.

Note the asymmetry, because almost all published advice misses it. A flat trader given a calming routine gets worse, not better, and the flat state is the one that reads as discipline from outside.

If the behaviour appears regardless of state, continue.

Question two: does it follow the previous outcome?

Sort the deviations by what happened immediately before them.

Clustering after losses points at the revenge loop, which is a specific trigger with a specific threshold rather than a general emotional condition. The intervention is detection plus one physical action at an identified marker, covered in how to stop revenge trading.

Clustering after wins points at something different and less discussed: size drifting upward without any decision being made, tracking recent results rather than setups. The intervention is a written sizing rule with recent outcomes explicitly excluded as an input.

Clustering after missed opportunities is a third thing again, and it is the one most often mislabelled as greed. What follows an unrewarded correct read is not a reach for more; it is an attempt to collect on something that felt earned. Why traders chase the market covers the sequence.

If the deviations are spread evenly across preceding outcomes, continue.

Question three: was there a written criterion to deviate from?

Take the entries that fell outside plan and ask one narrow question of each: at the moment of entry, did a written criterion exist that this trade could have been checked against?

No criterion existed means this is not emotional trading at all. It is unspecified trading, and it is extremely common in people who have been doing this for years and whose plan lives in their head.

The remedy is four minutes before the open: levels, invalidation as an observable event, size, and a maximum number of entries. Nothing about feelings. Traders who get this result frequently report that a problem they had classified as psychological for two years was a documentation gap.

If criteria existed and were overridden, continue.

Question four: does it survive a session with no positions?

The last question separates the remaining two mechanisms, and it is answered by observation rather than prediction.

Sit one full session, watching, with no entries. Then record the hour afterwards in one word.

Mild discomfort that fades indicates a behavioural pattern with no deeper attachment. The remedy is structural — a written entry cap, a qualifying-setup list — and it holds.

Disproportionate restlessness, or a sense of a day wasted indicates that the activity itself has acquired meaning, and no entry cap will survive contact with that. What is being defended is not a market view. The relevant work sits at money psychology and self-awareness, and the tell is in the language: journal entries describing a no-trade day as lazy or slipping, which is not vocabulary anyone applies to a surgeon with no operations scheduled.

Four mechanisms produce the same sentence. Only one of them is about emotion in the way the phrase implies.

The four results and what each one needs

Finding	Mechanism	Intervention
Tracks state at the open	Physiological capacity	Pre-session regulation, matched to the state word
Follows the previous outcome	Trigger-specific loop	Detection plus one physical action at the marker
No written criterion existed	Specification gap	Four-minute written plan before the open
Survives a no-position session	Activity carrying meaning	Layer work, not a rule

A trader who has run the four questions has moved from I trade emotionally to one of four specific findings, each with a single next action. That is the entire value of the diagnostic, and it takes a fortnight of logging.

Each result points to a different step of the instability loop. A state-driven pattern starts at activation, an outcome-driven one at the trigger, a missing criterion leaves the behaviour unopposed, and a pattern that survives an empty session sits in the belief.

Two findings at once, and what to do about it

The diagnostic assumes one mechanism per trader, and a meaningful minority find two.

The commonest pairing is a state problem underneath a specification gap: no written criteria, and deviations that also cluster on activated days. Both are real, and the order of treatment is not arbitrary.

Fix the specification first, always. Four minutes of written criteria before the open costs almost nothing and it changes what the other finding even means. A deviation from a written plan is measurable; a deviation from an intention is not, so until the criteria exist there is no reliable way to tell whether the state work is doing anything.

Then re-run question one. Frequently the state correlation weakens once criteria exist, because a substantial part of what looked like state-driven emotional trading was a plan being improvised under load. What remains after specification is the genuine state component, and it is usually smaller than the first pass suggested.

The second commonest pairing is a trigger-specific loop alongside an activity rule — deviations clustering after losses and on quiet days. These are genuinely separate and can be worked in parallel, because the interventions do not interfere: a detection-plus-action protocol for the loss trigger, and a written entry cap for the quiet days.

One pairing that should be treated with more care is a state finding alongside the fourth result — disproportionate discomfort on a no-position session. That combination usually means the activity is doing regulatory work: providing stimulation, structure and apparent purpose at once. Removing it with an entry cap, without addressing the state, tends to produce substitution rather than improvement, and the cap gets abandoned within a fortnight.

The general principle holds across all the pairings. Emotional trading responds to the cheapest structural intervention first, then to re-measurement, and the re-measurement is what stops you attributing an improvement to the wrong change.

Why the label persists

Worth understanding, because emotional trading is not a stupid phrase and it survives for reasons.

It survives because it is true at the level of description. Something physiological is driving behaviour the trader would not endorse on reflection, and that is real in all four cases. The phrase accurately names a family and is then used as though it named a member.

It also survives because it requires no measurement. A category that covers everything explains nothing and can be applied without a log, which makes it available to anyone writing about the subject and useless to anyone trying to fix something specific.

There is a third reason, and it is the least comfortable. Emotional locates the problem in the person, and a problem located in the person feels like a problem you can solve by trying harder — which is more appealing than discovering that your plan was never written down properly.

What none of the four require

Two things the diagnostic deliberately does not ask for.

Emotional neutrality. The aim in every branch is a decision that matches the plan, not an absence of feeling. Work with patients whose emotional processing was damaged found their reasoning intact and their decision-making collapsed — the somatic marker hypothesis treats bodily signals as part of how decisions get made rather than as interference. A trader who achieved neutrality would not become disciplined; they would become unable to commit.

Identification of the emotion. No branch asks you to name what you were feeling, and this is intentional. The naming is unreliable during the event and gets reconstructed afterwards from the outcome. Every question above is answered from behaviour or from a single state word logged before anything happened.

Running it, minimally

Ten sessions, four data points, no changes to how you trade.

State word before the open. Whether the behaviour occurred. What the previous outcome was. Whether a written criterion existed.

Those four answer questions one, two and three. The fourth question needs one deliberate no-position session, which most traders resist scheduling — and the resistance to scheduling it is itself informative about which branch you are in.

Emotional trading becomes solvable at the point where it stops being one thing. If the first intervention you try changes nothing in three weeks, that is information about the branch rather than about you, and the correct response is to move down the questions rather than to try the same thing harder.

For the cluster hub, read fear and greed in trading; for the framework the four branches sit inside, what is trading psychology. Polyvagal theory is the relevant background for question one, particularly the distinction between the activated and flat states.

The pattern quiz identifies which emotional pattern your behaviour under pressure fits, and it usually predicts which question will return your finding.

Four fields, and no changes to how you trade

Ten sessions, four fields, no changes to how you trade.

State word before the open. Whether the behaviour occurred. What the previous outcome was. Whether a written criterion existed.

Those four sort three of the branches. Emotional trading stops being one large problem at the point where the record says which of four smaller ones you actually have — and every one of the four has a next action, which the phrase itself never did.

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About the Author

Sofia Harchich is a Trading Psychologist and Behavioural Finance Writer with a Master’s in Psychology. She works at the intersection of Jungian shadow work, neuroscience, and market behaviour — helping traders understand the psychology driving their decisions, not just the strategy.

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