Research Reveals That Only a Small Group of Informed Traders Drive Prediction Market Accuracy

A recent scandal involving a Green Beret who was arrested for betting on a classified US raid may be more than just an isolated incident. According to a new study, this individual may be part of a small group of informed traders who are driving the accuracy of prediction markets. The study, which analyzed over 1.7 million accounts and $13.7 billion in trading volume on Polymarket, found that just 3% of traders are responsible for most of the price movement in the market. These traders consistently make accurate predictions and move prices in the right direction, while the remaining 97% of traders tend to lose money. The researchers used a unique method to distinguish between skilled traders and those who are simply lucky, and found that the skilled traders are the ones who drive market accuracy. The study's findings challenge the conventional wisdom that prediction markets work because of the collective knowledge of the crowd, and instead suggest that they work because of the presence of a small group of informed traders. The study also highlights the risk of insider trading in prediction markets, and notes that such trades can have a significant impact on market prices. Overall, the study provides new insights into the workings of prediction markets and the role of informed traders in driving their accuracy.