A trader identified as hai15617 achieved a remarkable profit of $99,779 on Polymarket by exploiting extreme mispricing in short-term markets. Despite joining the platform today and placing 10 predictions, the trader's strategy focused on large bets when odds deviated significantly, resulting in an 887% profit from a single trade. This approach allowed the trader to offset losses from multiple unsuccessful positions, highlighting the importance of pricing errors over win rate on Polymarket.