A black swan is an unpredictable event that goes beyond what is normally expected of a situation and has potentially serious consequences. The term was popularized by Nassim Nicholas Taleb, a finance professor, writer and former Wall Street trader. Taleb wrote about the idea of ​​the black swan in a book from 2007, before the events of the 2008 financial crisis. Let's see what a black swan event is based on and give a couple of examples to understand them.
What is a black swan event in the stock market?
A black swan is an unpredictable event that goes beyond what is normally expected of a situation and has potentially serious consequences. Black swans are characterized by their extreme rarity, their serious impact, and the widespread insistence that they were obvious in hindsight. The term was popularized by Nassim Nicholas Taleb, a finance professor, writer and former Wall Street trader. Taleb wrote about the black swan idea in a 2007 book, before the events of the 2008 financial crisis.
What is a black swan event based on?
Taleb argued that since black swan events are impossible to predict due to their extreme rarity but have catastrophic consequences, it is important for people to always assume that a black swan event is a possibility, whatever it may be, and try to plan for it. consequently. Some believe diversification can offer some protection when a black swan occurs. Taleb describes a black swan as an event that:
- It is so rare that even the possibility of its occurrence is unknown.
- It has a catastrophic impact when it occurs
- It's explained in retrospect as if it were really predictable.
Black swan caused by Covid-19 in 2020. Source: Wikipedia.
Examples of black swan events
- The dot-com bubble of 2001 is another black swan event that bears similarities to the financial crisis of 2008. The United States enjoyed rapid economic growth and rising private wealth before the economy catastrophically collapsed. Since the Internet was in its infancy in terms of commercial use, several investment funds were investing in technology companies with inflated valuations and no market traction. When these companies went bankrupt, the funds suffered a severe blow, and the downside risk was passed on to investors. The digital frontier was new, so it was almost impossible to predict the collapse.
- The collapse of the US housing market during the 2008 financial crisis is one of the most recent and well-known black swan events. The effect of the crash was catastrophic and global, and only a few outliers were able to predict it.
- A more recent example could be the emergence of the COVID-19 virus, which caused a global pandemic beginning in the spring of 2020, disrupting global markets and economies around the world.