Source: Ars Technica
Polymarket's post-election volume spike reveals a structural problem: traders were betting on known outcomes, not forecasting them. This suggests the platform functions more like a leveraged gambling venue than an information-discovery mechanism. The post-hoc trading also shows how decentralized, unregulated platforms can attract massive capital to contracts with zero informational value. Market prices in these cases don't aggregate predictive insight. As prediction markets attract billions in venture funding, this episode exposes their vulnerability to becoming liquidity traps where speculative positioning matters more than forecasting accuracy.