What started as a niche corner of the internet has evolved into a multibillion-dollar industry.
In 2025, prediction markets have become a substantial instrument for speculation and the forecasting of real-world events in both finance and media. Two major players in the sector, Polymarket and Kalshi, have amassed a combined volume of over $37 billion (€31.5bn) in wagers placed this year, according to the widely read 2026 Digital Assets Outlook Report by The Block.
