If October is the month of bottoms, it’s also the month of crashes. The years 1929 and 1987 ring a bell and even the GFC got serious on November 1, which was so close to October that it’s not funny. So when ‘black swan’ talk intensifies, as it is right now, I can't help but want to test it out.
In case you aren’t up with your swans, this is what Wikipedia says that a black swan in markets and economics is all about:
“The black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight.”