Disposition Effect: Why We Take Quick Gains but Delay Losses?

Profits are sold quickly while losses are often held for too long, and this happens far too often.

If a stock you bought yesterday ticks up a bit, you sell immediately, but if it drops you wait.

Why do people behave this way?

Retail investor:

"If only it were not for that psychology, I would be a millionaire..."

This is a problem of psychology.

What is the disposition effect?

Disposition effect → the bias to sell winners and hold losers.

This pattern is repeatedly confirmed in psychology research.

Why are gains realized quickly while losses are delayed?

Realizing gains brings pleasure.

Realizing losses brings pain.

People feel the pain of losses more strongly than the joy of equivalent gains.

So they avoid realizing losses and prefer to lock in gains immediately.

How does the brain respond?

The fast, emotion-driven system reacts first.

Deliberate, rational reflection is slower.

So to avoid momentary discomfort, people postpone cutting losses.

How do I know if I show the disposition effect in practice?

A trade journal provides the answer.

Event: when you made a gain, write down that you sold immediately.

Event: when you had a loss, write down patterns of rationalization for holding.

If these repeat, the probability of the disposition effect is high.

One more checkpoint.

If you show confidence in winners and rationalization in losers at the same time, suspect the disposition effect with over 90% probability.

Can you avoid it? Simple supports.

Set rules.

Writing stop-loss and take-profit criteria in advance reduces emotional interference.

Use partial profit-taking and partial holding to buffer emotions.

Set a timer and re-evaluate after 24 hours to see if emotions have cooled.

So, what to start with?

→ 1. Today: pull your last 10 trade notes and check patterns of taking profits and cutting losses.

→ 2. Next: write stop-loss and take-profit lines for every buy in advance.

→ 3. Final check: before announcing a stop-loss, write your emotional state (anxiety, anger) in one line and wait one hour.

This is for reference only.

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※ This article is for information only and is not investment advice.

※ Investment decisions and responsibility rest with the investor.

※ Figures are as of the time of writing and may change.

This article is for information only and is not investment advice.