Economic markets are an example of a complex system, in which are variety of interdependent parts engage in interaction. This yields emergent patterns. They are also exceptionally dynamic, the involved data unfolds and evolves quickly. In addition to this, self-similarity occurs across different scales or levels of economic markets, which is another notable characteristic of a complex system. This is a quality that researchers can utilize to enhance whatever aspect of financial markets they are working on.
Sarkar, Amitava. Financial Markets as a Complex System. University of Bengal.