🚨 ALERT: A Columbia University study found that up to 60% of Polymarket’s trading volume may come from wash trading, raising concerns about artificial activity in prediction markets.

🚨 ALERT: A Columbia University study found that up to 60% of Polymarket’s trading volume may come from wash trading, raising concerns about artificial activity in prediction markets.

— Cointelegraph (@Cointelegraph) Nov 7, 2025