An interesting phenomenon on the prediction market Polymarket: the probability contract for the US purchasing Greenland continues to rise. So far, this bet has reached a new high — market participants estimate the probability at 22%. What does this indicate? It shows that even within the crypto community, real-time information-based market pricing mechanisms are敏ly capturing hot topics and shifts in political sentiment. From trading data, these types of prediction contracts' volatility often reflect the collective judgment of market participants about future events. Regardless of the probability level, the market psychology behind these on-chain data is worth paying attention to.