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How Your Personality
Affects Your Investment

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How Your Personality Affects Your Investment Choices

If you invest regularly you've probably made investment mistakes. Maybe you sold a winning stock too early or held on to a losing stock too long. Mistakes are common in investing and here at Morningstar we are constantly trying to help you avoid them. However, there are mistakes that seem to haunt all of us, the ones where you went against your adviser or followed your gut to no avail.

Robert Durand, professor of finance at Curtin University in Australia, attributes these decisions to personality traits.

Durand and two colleagues concluded in a Journal of Behavioral Finance article that personality traits are associated with a wide range of investment decisions and outcomes. The research for that article and Durand's ongoing research is based on the 5-factor model of personality traits (Big Five), which is the leading paradigm in personality research. It's an efficient model because it dismisses hundreds of personality traits in favour of the "Big Five".


Extraverts are social, enthusiastic, talkative and assertive. In general, they tend to take on more risk in order to fulfill their need for excitement

Advantage: They tend to have a higher risk tolerance, which can mean potentially higher returns.

Disadvantage: They may take on too much risk and lose money.


Those high in agreeableness are trusting, altruistic and optimistic. They need to get along with other individuals.

Advantage: They are cooperative when working with advisers on their portfolio.

Disadvantage: They do not like to offend others and may be hesitant to raise any red flags that they see.


Conscientiousness persons are thorough, careful and diligent. They have the ability to delay immediate gratification in favour of long-term goals.

Advantage: Long-term investors can be patient and restrain themselves from impulsive risk-taking.

Disadvantage: They are too risk-averse.


Neurotic individuals are emotionally unstable. They are prone to psychological distress including depression, anxiety and anger.

Advantage: They are drawn to risk because of its emotional appeal, and similar to the extravert advantage, higher risk tolerance can potentially equal higher returns.

Disadvantage:They are impulsive; therefore, they are prone to making emotional financial decisions.

Openness to experience/intellect

Individuals high in openness to experience/intellect are imaginative, curious and open to new ideas. They actively seek new experiences. This trait is highly correlated to intelligence.

There is no advantage or disadvantage listed because openness to experience/intellect is the least studied of all the traits.

The relation to investing

Durand says personality traits are remarkably stable once you reach the age of 30. Therefore, if you determine your personality traits early on in your investing career and understand how they'll affect your decision-making then you should be able to avoid some mistakes. He also makes note of the fact that two of the factors, neuroticism and extraversion, seem to play a larger role compared to the other traits.

Investors scoring high in neuroticism are attracted to risk, but they seem to find it disturbing. They want to do something about it, but seem incapable of doing so; they will sell risky stocks only to buy others. Regardless, neuroticism is associated with heightened emotion.

Higher extraversion scores are associated with higher returns, even after adjusting for risk. Durand says, "Extraverts are attracted to higher risk, but they manage it better, getting higher returns for higher risk, which should be the case according to standard finance theory."

Do you want to get tested?

For a complete personality diagnosis, Durand suggests seeing a professional who can properly administer the test.

However, to obtain a rough idea of your personality you can complete this test online. It is administered by Dr. Tom Buchanan, department of psychology at University of Westminster, U.K., who is collecting data for research.

Once you've completed it, your scores are ranked into three categories for each of the Big Five. The categories are: relatively low meaning you are in the bottom 30%, relatively high meaning you score in the top 30% and about average meaning you are somewhere in the middle.

This article originally appeared on Morningstar Canada.

Mutual Fund investments are subject to market risks, read all scheme related documents carefully.

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