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David Lin
@davidlin_TV
Host, The David Lin Report. In search of the next great story, and really good bubble tea
Joined December 2017
1.3K Following    54.1K Followers
This is why prediction markets have increasingly been used as accurate tools of forecasting by investors and traders. This @Kalshi study analyzed 2.2 million data points and concluded that probabilities appear to behave like real probabilities, not just market prices: events priced around 30% occur about 30% of the time, 60% events occur about 60% of the time, and so on Other key findings: - "Elections, politics, and finance have the strongest forecasts." The categories with the highest amounts of trading volume tend to also be the most accurate in probabilities - live events do not have future predictive power as prices adjust as events happen in real time - forecasts increase in confidence over time; the closer to the event date, the stronger the chance the probability becomes real-life chance
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We ran a study on over 2 million markets to evaluate their calibration. To our knowledge, this is the largest replicable study on this topic. Here are the results: 🧵