Stock FAQs

what is a stock market black swan

by Angelita Schuppe Published 2 years ago Updated 2 years ago
image

A black swan event in the stock market is often a market crash that exceeds six standard deviations, making it exceedingly rare from a probabilistic standpoint. Some have argued that stock prices are "fat-tailed" and that such events are, in reality, more frequent than the statistics would let on.

Full Answer

What is black swan investing strategy?

Trial and error investing is a strategy where you invest a little of your portfolio when there is a high probability that you could lose a big part of the investment or even all of it. However, if you invest just a small part of your portfolio, it doesn’t hurt you but in the event of a black swan, your upside is unlimited.

What is a black swan event in the stock market?

There are always black swan events that strike fear and concern into the financial and housing markets, along with the overall economy. Inflation, supply chain disruptions cause concerns. Fear of a war between Russia and the Ukraine has spooked Wall Street, causing sell offs.

What is black swan in the financial markets?

About 10 years ago there was a famous book called The Black Swan which talked about how businesses needed ... A common practice for CPG companies to accelerate time to market when launching new products is to use Contract Manufacturing to test the products.

What is a black swan event in the market?

The term "black swan event" describes events with catastrophic results, like the collapse of a currency or a huge stock value loss. Economists use the term for events that economic models couldn't predict. Learning the characteristics of a black swan event can help you understand recent economic history.

image

What is an example of a black swan event?

What are some examples of Black Swan events? Examples Taleb gives of black swan events include the rise of the Internet, the personal computer, World War I, the dissolution of the Soviet Union and the September 11, 2001 terrorist attacks. He underscores the point that the black swan event depends upon the observer.

What is the black swan concept?

A black swan is an unpredictable event that is beyond what is normally expected of a situation and has potentially severe consequences. Black swan events are characterized by their extreme rarity, severe impact, and the widespread insistence they were obvious in hindsight.

What is a white swan in the stock market?

A white swan is a highly certain event with three principal characteristics: it is certain; it carries an impact that can easily be estimated; and, after the fact, we concoct an explanation that recognizes the certainty of occurrence, but again, shifts the focus to errors in judgment or some other human form of ...

What happens after a black swan event?

An event that is unpredictable. A black swan event results in severe and widespread consequences. After the occurrence of a black swan event, people will rationalize the event as having been predictable (known as the hindsight bias).

Can a black swan event be good?

A negative Black Swan is one where the downside of the event is unbounded while the upside is capped. Positive Black Swans are just the opposite - those unpredictable, highly impactful events where the upside of the event is unlimited while the downside is capped.

Why is it called black swan?

The term Black Swan originates from the (Western) belief that all swans are white because these were the only ones accounted for. However, in 1697 the Dutch explorer Willem de Vlamingh discovered black swans in Australia. This was an unexpected event in (scientific) history and profoundly changed zoology.

Is there a GREY Swan?

A grey swan is an event that is possible and known, potentially extremely significant but considered not very likely to happen. The term grey swan is a play on Taleb's concept of an unpredictable black swan event, but is fundamentally different in that it is predictable.

How rare is a black swan?

The current global population is estimated to be up to 500,000 individuals. No threat of extinction or significant decline in population has been identified with this numerous and widespread bird.

What is a green swan event?

A “green swan” event is a climate event that is unexpected and rare, with far-reaching impacts. Combined with a more traditional financial crisis, a green swan event could theoretically threaten the stability of the global banking and insurance sector.

What was the longest black swan event?

Black Swan Event 2001: Crash of 9/11 17, 2001 after the longest closure since 1933.

How can we protect black swan events?

5 Ways to Protect Your Portfolio From Black Swan EventsMake sure you have a diversified portfolio. Avoid putting all your money in one place, one sector, or even in one country. ... Create a separate hobby portfolio. Some people enjoy investing as a hobby. ... Use solid fundamentals to fill your portfolio.

Who's the black swan?

The Identity of Black Swan on 'The Masked Singer' Is This Singer (SPOILERS) Spoiler Alert: Fans knew it the moment they heard her sing. The Black Swan, which placed second in Season 5, was JoJo Levesque, better known as JoJo.

What's a black swan event?

A black swan event is an extremely rare event that occurs unexpectedly and impacts the economy severely. Although the term is usually used to describe something in financial markets, it may also refer to other events that can also affect the economy, such as the COVID-19 pandemic or the Facebook outage.

The last black swan event: the 2008 U.S. housing market crash

The last black swan event was the 2008 U.S. housing market crash. It occurred after a housing bubble (the result of housing prices steadily increasing due to demand, speculation, and other factors) burst. After a bubble bursts, demand falls but supply still increases.

Hyperinflation in Zimbabwe

In 2008, the country of Zimbabwe met economic turmoil when its national debt rose, outputs and exports of goods fell, and political corruption worsened. In an effort to combat all of the issues, the country printed money.

What's a circuit breaker, and can it prevent a black swan event?

The SEC introduced circuit breakers in 1988 as a tool to pause trading of either securities or indexes when the market experiences significant changes in price. The mechanisms were established in 1987 after a market crash that year. Circuit breakers for individual securities can be activated if they experience extreme bullishness or bearishness.

What does Taleb describe a black swan?

Taleb describes a black swan as an event that: is so rare that even the possibility that it might occur is unknown; has a catastrophic impact when it does occur; and. is explained in hindsight as if it were actually predictable. For extremely rare events, Taleb argues that the standard tools of probability and prediction, ...

What is a black swan?

A black swan is an unpredictable event that is beyond what is normally expected of a situation and has potentially severe consequences. Black swan events are characterized by their extreme rarity, severe impact, and the widespread insistence they were obvious in hindsight. Taleb describes a black swan as an event that:

What are the black swan events?

Classic black swan events include the rise of the internet and personal computer, the September 11 attacks, and World War I. However, many other events such as floods, droughts, epidemics, and so on are either improbable, unpredictable, or both. The result, says Taleb, is people develop a psychological bias and "collective blindness" to them.

What is the result of Taleb's theory?

The result, says Taleb, is people develop a psychological bias and "collective blindness" to them. The very fact that such rare but major events are by definition outliers makes them dangerous.

Why don't fund managers suggest riskier investments?

Thus, fund managers may not suggest or make riskier investments simply because it is easier to go with the flow. This happens in medicine, too. Doctors stick to familiar treatments, even when a bit of lateral thinking, imagination, and prudent risk-taking might be appropriate in a particular case.

Can too many black swans happen?

Too many black swan events can happen, nullifying even the most complex modeling. This does not mean modeling and prognoses cannot or should not be done. But we also need to rely on intuition, common sense, and simplicity.

Who created the Black Swan?

The concept of black swan events was popularized by the writer Nassim Nicholas Taleb in his book, The Black Swan: The Impact Of The Highly Improbable (Penguin, 2008). The essence of his work is the world is severely affected by events that are rare and difficult to predict. The implications for markets and investments are compelling ...

What was the Asian financial crisis?

The Asian financial crisis in 1997 was a series of currency devaluations that spread throughout several Asian markets, starting when Thailand unpegged the baht to the US dollar.

How much of Lehman's stock was wiped out?

Over 25,000 Lehman employees went jobless and more than $46 billion of Lehman’s market value was wiped out. In total, over $10 trillion was eventually wiped out in the global equity markets. 5. Brexit. In June 2016, news of the British referendum’s decision to leave the European Union caught many by surprise.

What is a black swan event?

In other words, black swan events are events that are unexpected and unknowable. The term was popularized by former Wall Street trader Nassim Nicholas Taleb, who wrote about the concept in his 2001 book Fooled by Randomness.

What happened to the stock market after 9/11?

The attack on the Twin Towers of New York’s World Trade Center prompted the closure of the NYSE and NASDAQ on the morning of September 11, 2001. Stocks plummeted during the first trading week after 9/11 – $1.4 trillion in stock market value was lost within a week.

What caused Lehman Brothers to file for bankruptcy?

The global financial crisis in 2008 caused Lehman Brothers to file for bankruptcy. Bankruptcy Bankruptcy is the legal status of a human or a non-human entity (a firm or a government agency) that is unable to repay its outstanding debts. – the largest bankruptcy filing in US history.

What is the stock market?

Stock Market The stock market refers to public markets that exist for issuing, buying and selling stocks that trade on a stock exchange or over-the-counter. Stocks, also known as equities, represent fractional ownership in a company. may be seen as a positive event for an investor with aggressive short positions.

Why did the Dotcom crash?

The “Dotcom” Crash. Due to the rapid growth in internet usage in the 1980 s and 1990s, many internet companies were launched. However, a lot of these companies failed after some time. In addition, many of those that were successful were severely overvalued.

Why did the Fed do a TARP bailout?

This caused the Fed balance sheet to balloon to $4.5 trillion from $800 billion between 2007 to 2017. The Federal Reserve instituted quantitative tightening with rate hikes and monthly balance sheet reductions commencing in 2015. The objective is to return to normalization around $3.5 trillion balance sheet (reached $3.78 trillion). For still unexplained reasons, the repo market experienced disruptions causing the Fed to institute a $60 billion per-month balance sheet expansion through short-term repo purchases commencing in Sept. 2019. Many deem this as a stealth version of quantitative easing, which may have been the catalyst to fuel stock markets to all-time highs by February 2020, until the coronavirus epidemic stole headlines.

What is the Black Swan?

Black swan is used to describe an extremely rare and unpredictable event that triggers a perfect storm of catastrophic consequences. Famed statistician and author Nassim Nicholas Talab’s timely and prophetic book, “The Black Swan” was published in 2007 on the dawn of the millennium’s next black swan event, the subprime mortgage crisis.

What was the Fed Funds rate after 9/11?

After the 9/11 terrorist attacks on the World Trade Center, Greenspan accelerated rate cuts to bring the Fed Funds rate to just one percent , the lowest rate since the 1950s. The low rates gave lower-income Americans access to adjustable-rate mortgages (ARMs) to purchase homes they wouldn’t normally be able to afford.

Why did the Fed cut rates in 1997?

Coming off the 1997 stock market crash on the heels of the Pacific Rim crisis, Federal Reserve Chairman Alan Greenspan instituted a series of 11 rate cuts to sparking risk-on appetites that bolstered money flow into anything remotely related to this new thing called the internet.

When did Alan Greenspan retire?

Greenspan retired in 2006, handing over the bubble to the new chairman Ben Bernanke. As sub-prime mortgage defaults rose sparking foreclosures, Wall Street played down the potential ripple effects since sub-prime was such a small segment of debt.

When did the SPY peak?

The SPY peaked at $339.08 on Feb. 19, 2020 and proceeded to collapse (-16 percent) to lows of $285.54 in seven trading days in the wake of global supply chain disruptions and demand shock as consumer spending activity gets stifled.

Did Bear Stearns collapse?

Bear Stearns collapsed but was bailed out through a JP Morgan acquisition backed by the Fed. However, Lehman Brothers was left to collapse ushering in the worst credit crisis since the Great Depression as credit markets locked up and sending benchmark indexes plummeting over (-50 percent) before bottoming out in 2009.

What is a black swan event?

A black swan event is an event that is completely unexpected and cannot be predicted. Unexpected events are generally referred to as black swans when they have significant consequences, though an event with few consequences might also be a black swan event.

Examples of black swan events

While natural disasters may not be predictable, they are not usually black swans. We know there will be storms, earthquakes and volcanic eruptions in the future. While we don’t know when they will occur, we can’t say they are unexpected. For a natural disaster to be a black swan it has to be unprecedented in some respect.

Grey swans and tail risks

An important aspect of any black swan event is the fact that it cannot be predicted. Some events however are predictable to a certain extent. A grey swan is an event that can be anticipated to some extent, although the probability is thought to be very low.

How to deal with black swan events?

As mentioned, black swans cannot be predicted. That means you cannot prepare for any specific black swan event. Investors often make the mistake of preparing for the last bear market, rather than the next one.

Conclusion: Diversify your investment portfolio to limit your downside

As you can see, trying to predict black swans misses the point. Black swan events cannot be predicted. The way to protect yourself and your wealth from these types of events is to position yourself so that you won’t be wiped out when they do occur.

Why does the SKEW index fall?

It’s also worth noting that there is more than one way for the SKEW Index to fall. Assuming the permabears don’t change their forecasts, the SKEW will fall if the mainstream consensus becomes more bearish. That’s because the distance between the two groups’ forecasts — what the SKEW measures — will narrow.

What is the Crash Confidence Index?

Consider the Crash Confidence Index, a periodic survey introduced in 1989 by Yale University finance professor Robert Shiller. The latest results indicate no notable increase in the percentage of U.S. investors who believe the stock market is about to crash. Other evidence pointing in the same direction is the increasing bullishness ...

Does the SKEW index rise?

Notice, therefore, that there is more than one way for the SKEW Index to rise. One way, which is what most assume is the case when the index rises, would be for the permabears to become even more bearish. But the SKEW Index would also increase if the permabears didn’t alter their bearishness and the mainstream consensus became more bullish.

Who is Mark Hulbert?

Mark Hulbert is a regular contributor to MarketWatch. His Hulbert Ratings tracks investment newsletters that pay a flat fee to be audited. He can be reached at [email protected]. Also read: These 15 stocks — June’s biggest losers — could become July’s winners.

image

Black Swans, Markets, and Human Behavior

  • The term was popularized by Nassim Nicholas Taleb, a finance professor, writer, and former Wall Street trader. Taleb wrote about the idea of a black swan event in a 2007 book prior to the events of the 2008 financial crisis. Taleb argued that because black swan events are impossible to predict due to their extreme rarity, yet have cata…
See more on investopedia.com

Implications For Markets and Investing

Complex Models May Be Pointless

Diversification and Harry Markowitz

Image
A black swan is an unpredictable event that is beyond what is normally expected of a situation and has potentially severe consequences. Black swan events are characterized by their extreme rarity, severe impact, and the widespread insistence they were obvious in hindsight. Taleb describes a black swan as an event that: 1. is so rare that even the p...
See more on investopedia.com

Other Implications

  • Stock and other investment markets are affected by all types of events. Downturns or crashes such as Black Monday, the stock market crash of 1987, or the dotcom bubble of 2000 were relatively "model-able," but the Sept. 11 attacks and the COVI19 pandemic were far less so. And, who really expected Enron to implode at the time? As for the Bernie MadoffPonzi scheme, one could argue there were red flags. The point is, we all want to know the f…
See more on investopedia.com

The Bottom Line

  • Gerd Gigerenzer also provides some useful input. In his book, Gut Feelings: The Intelligence Of The Unconscious (Penguin 2008), he argues that 50% or more of decisions are intuitive, but people often shy away from using them because they are hard to justify. Instead, people make "safer," more conservative decisions. Thus, fund managersmay not suggest or make riskier investments simply because it is easier to go with the flow. This …
See more on investopedia.com

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9