A few months ago I was at a conference where Robin Hanson spoke about prediction markets.[1] He argued that given how much of companies' outcomes are driven by who they choose to hire, and how non-rigorous the process of selecting employees and revisiting those selections is, there's a literal trillion-dollar opportunity in getting it right.... See more
Prediction markets work because traders can see all of the standard forecast data and aggregate it along with other idiosyncratic or dispersed information about the election. Traders can aggregate polling data or follow published poll aggregates, and they can add in any other information they think is relevant.