Definition
Confirmation bias is the tendency to search for, interpret, and recall information in a way that confirms pre-existing beliefs. In investing, this manifests as seeking bullish research after buying a stock while dismissing bearish analysis, or following analysts who share your viewpoint. Confirmation bias can lead to overconfidence, poor risk management, and failure to adapt to changing conditions. Combating this bias requires actively seeking contrary opinions and establishing objective decision criteria.
Example
After buying Tesla stock, an investor reads only positive Tesla news, joins bullish forums, and dismisses all bearish analysis as 'FUD.' They don't notice deteriorating fundamentals until the position is significantly underwater.
FAQ
What is Confirmation Bias?
The tendency to seek information that confirms existing beliefs while ignoring contradictory evidence.
Why is Confirmation Bias important?
Confirmation Bias helps investors evaluate behavioral finance and make more informed decisions.