Benjamin Wallace / New York Times:
A look at the rise of Kalshi and Polymarket; Reports indicate that Polymarket had 491,000 monthly active traders as of December 2025 and less than 0.04% of addresses took 70% of profits.— Two months after leaving his corporate CPA job to trade prediction markets full-time, 26-year-old Joel Holsinger was on the verge of making his first $100,000.