Cognitive Bias – Confirmation Bias

  • December 2, 2020
  • admin

Cognitive Bias - Confirmation Bias

Cognitive Bias – Confirmation Bias

Confirmation Bias is a cognitive bias that affects investors in the stock market and can lead to biased decision-making. It refers to the tendency of individuals to favour information that confirms their pre-existing beliefs or opinions while disregarding or discounting information that contradicts them.

Here are some key points about confirmation bias:


1. Selective information processing:
Confirmation bias can lead investors to selectively process information that supports their investment decisions or beliefs about a particular stock or market. For example, if an investor has a positive opinion about a certain stock, they may focus on news or analysis that confirms their belief, while ignoring or dismissing negative news or analysis.

2. Reinforcement of existing beliefs:
Confirmation bias can reinforce an investor’s existing beliefs and opinions, leading them to become more entrenched in their views. This can create an echo chamber effect, where investors surround themselves with like-minded individuals or seek out sources of information that confirm their biases, without critically evaluating alternative perspectives or contradictory evidence.

3. Overconfidence:
Confirmation bias can lead to overconfidence in investment decisions. When investors only consider information that confirms their beliefs, they may underestimate risks and fail to adequately consider alternative viewpoints or potential downsides. This can result in making overly optimistic investment decisions and taking on higher risks without proper assessment.

4. Herd mentality:
Confirmation bias can also contribute to herd mentality in investing, where investors follow the crowd and conform to the opinions of others without conducting independent analysis. If an investor sees others who share their views investing in a particular stock, they may interpret it as confirmation of their beliefs and feel more confident in their decision to invest, even if the underlying information or analysis is limited or biased.

5. Failure to adapt:
Confirmation bias can hinder an investor’s ability to adapt to changing market conditions or new information. If an investor has a strong belief about a stock or market, they may be resistant to changing their views even when faced with contrary evidence. This can lead to missed opportunities or losses due to a failure to objectively reassess and adapt investment strategies.

Managing Confirmation Bias:
Being aware of Confirmation Bias and actively seeking out diverse perspectives and contradictory evidence can help investors make more informed and unbiased investment decisions.  Attending Wealthwise Education’s ‘Invest for Success’ Program will help you to mitigate the potential negative impacts of confirmation bias.

Stock Market Investor Education:
‘Invest for Success’ is a 4 week program starting with a 2 day in-person workshop + 4 x 1 hour online sessions over 4 weeks.  Call us now for more information +61.2.9488.9900.

Read more:  Top 5 Cognitive Biases Overview


Leave a Comment

Your email address will not be published. All fields are required.