Sentences with phrase «rare black swan event»

They follow a standard index - tracking strategy and use stock options as built - in portfolio insurance in case a rare Black Swan event sinks the markets.

Not exact matches

As they walked, the two of them — Ibex's director and chief data scientist — were on the phone with a client and in passing mentioned rare, so - called black - swan events.

SHANGHAI — Let the West worry about so - called black swans, rare and unexpected events that can upset financial markets.

We don't know whether this qualifies as a black swan event, but a drop of more than 4 % during a bull market is indeed very rare.

Such high - impact, unpredictable and rare events are what author Nassim Nicholas Taleb calls «black swans.»

These seemingly unpredictable, rare incidents — dubbed black swan events — may be unlikely to happen on any specific day, but they do occur.

Like black swans, black swan events are rare.

A Black Swan event is, by definition, rare, which means that most of the time the put options will expire worthless but will occasionally pay off in spades.

The term came about from the Roman satirist Juvenal who used «rare birds», such as «white ravens» and «black swans», as a synonym for «unimaginable» events.

In his book Fooled by Randomness, Nassim Taleb defined Black Swan (the term refers to the once prevalent old world belief that all swans are white, which was proven false when black swans were discovered in Australia) as a rare event that is (1) unexpected (2) carries an extreme impact and (3) believed to be predictable in hindsBlack Swan (the term refers to the once prevalent old world belief that all swans are white, which was proven false when black swans were discovered in Australia) as a rare event that is (1) unexpected (2) carries an extreme impact and (3) believed to be predictable in hindsblack swans were discovered in Australia) as a rare event that is (1) unexpected (2) carries an extreme impact and (3) believed to be predictable in hindsight.

What this shows first of all is that extreme heat waves, like the ones mentioned, are not just «black swans» — i.e. extremely rare events that happened by «bad luck».

Nicholas Taleb's black swan arguments emphasize the non-computatability of the consequential rare events using scientific methods (owing to the very nature of small probabilities).

In Taleb's context «black swans» are rare events beyond the realm of normal exprectation.

I think a black swan has to be an unforeseen event rather than a rare, but possible event.