What’s a grey swan? How does it serve as a metaphor for events that aren’t predictable, exactly, but imaginable? A grey swan (alternately, gray swan) is a term for events that can’t be predicted but can be imagined. It can also refer to an event that’s unlikely but possible. The term was popularized by Nassim Nicholas Taleb in the book Black Swan. We’ll cover what a grey swan is, how it fits in with black and white swans, and how to turn black swans grey.
Grey Swans Explained: Why Prepare for Unlikely Events?










