Topic

Hawkes process

1 piece on this topic. All topics

The Edge of Chaos Reflexivity by the Numbers Everyone agrees markets react to themselves. The question is how much. A statistical tool built for earthquakes turns that vague idea into a single number: the fraction of market activity that is the market reacting to its own moves rather than to outside news. The number turns out to be close to the level where a chain reaction would run away. Jun 2, 2025 · 10 min