Legacy sportsbooks are chasing prediction markets that already trade billions each month

DraftKings told investors on June 9 that its prediction markets business is scaling fast, and the market liked what it saw. The company's Form 8-K reported that May 2026 annualized consumer volume in its Predictions offering rose 24% month over month to $1.3 billion, while annualized total volume traded climbed 34% to $3.1 billion. Shares [ ]