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7 psychological biases to avoid for investing success

Updated: Jun 20, 2023



As a species, humans are irrational creatures. The decisions we make are questionable at times.


Being fully aware of this, we can use this to our advantage when investing.


Having a finance degree or investing knowledge no longer guarantees success in the investing world (or corporate world for that matter).


Take care of the mind, and our investing returns will take care of itself.


1. Herd Mentality


Most people prefer to do what the herd does, no matter how irrational it seems.

This can be hard to overcome as it runs deep in our blood as humans.

It’s hard to invest when everyone is selling in a bear market. It’s hard to sell when everyone is buying in a bull market.

Since we have so many ways and places to invest our money, this makes us even more susceptible to defaulting to the status quo.

We need to understand what we are investing in and ensure we don’t fall prey to the fear of missing out (FOMO).


2. Disposition Effect

Hold onto losing stocks too long and selling winning stocks too early is a common mistake that many investors make.

Continually selling our winners to allocate to our losers may lead us to a portfolio full of losers.

This is akin to plucking out the flowers and watering our weeds.

The greatest asset of a long-term investor is time.

Don’t waste time watering your weeds, only to be left with a losing portfolio.


3. Hindsight Bias

Hindsight is 20–20.

In hindsight, everything seems so obvious. Because the past looks so obvious in hindsight, we risk becoming overconfident in predicting the future.

The market was in a bubble in 2021. I’d bet not many took advantage of this.

Timing a market top & bottom is a fool’s errand.


4. Recency Bias

Our minds tend to naturally gravitate towards recent events. And we use recent events to predict what will happen in the future.

Just because a stock has gone up as of late doesn’t mean that trend will continue.

Average investors buy stocks when they are up and sell when they are down.

The best investors adopt a long-term mindset and resist these short-term temptations.


5. Loss Aversion


Research has shown that people hate losses twice as much as they enjoy gains.

This aversion to losses may lead people to either invest too conservatively, or avoid investing altogether.

Loss aversion can lead investors to make emotional decisions such as:

  • Selling during a market crash

  • Holding too much cash

  • Under-allocation to stocks

  • Buying stocks based on recommendations from family and friends

Emotions are best left at the door when making investment decisions.


6. Anchoring

Many investors “anchor” to the price paid for a stock or have a “target price” at which they want to stock a sell.

Chances are you’ve heard someone say, “I’ll sell once the stock reaches $100 per share” after the stock had fallen to $50.

If someone buys a stock for $100, this $100 price becomes “anchored” in their minds.

Mr Market doesn’t care whether you own a stock, or how much you paid for it.

Just because you paid a certain price for a stock doesn’t mean that it has to return to that price.


7. Overconfidence

Being confident about your investments is one thing. Being overconfident is a whole different story altogether.

Overconfidence can lead investors to take more risks than any rational investor would take.

Some of these include:

  • Over-leveraging

  • Over-trading

  • Inadequate diversification

Which of these biases are you guilty of, and which you wish to eliminate?


Join Our BOS Community


In the Buffett Online School, we believe in learning the right investing mindset and system, so we can start cultivating emotional detachment and grow our wealth safely and substantially in the long run.


By joining the Buffett Online School community, you and your friends will have access to a wealth of educational resources, expert insights, and a vibrant network of learners. This will help you and your loved ones further enhance your investment skills and emotional stability, thereby improving your portfolio returns.

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Remember, you have the choice to cultivate the right investing mindset and unlock your potential to build wealth through intelligent investing. Together, we can create a network of educated investors who make informed decisions and contribute to their financial well-being! Join the BOS Community Today!


In the meantime, feel free to check out some of our blog posts to continue your learning. You can also join our BOS Telegram channel for more investing insights.





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