Greenland sovereignty dispute heats up again, triggering trade friction between Europe and the US. This geopolitical turmoil is also quickly reflected in on-chain prediction market data. The odds on Polymarket and Kalshi regarding this trade conflict have recently experienced significant fluctuations, with market participants adjusting their positions in real time. These prediction market platforms have gradually become the most sensitive barometers of financial market sentiment. While traditional finance is still reacting, traders within the blockchain ecosystem are already providing answers through practical actions. Every escalation in geopolitical tensions creates clear price signals on these decentralized prediction platforms.