Prediction markets have reached a new milestone, with weekly notional volume surpassing $5 billion in early 2026. Data from Dune Analytics reveals that the first week of the year saw $5.26 billion in volume, closely following the record $5.38 billion set in late December 2025. Kalshi led the market with a 38.2% share, followed by Opinion at 30.3% and Polymarket at 28.6%. Kalshi has gained traction through partnerships with major media outlets and sports organizations, while Polymarket has secured a $2 billion investment from Intercontinental Exchange, bolstering its competitive edge. The sector's rapid growth and increased competition underscore the rising interest in prediction markets, with platforms like Crypto.com and Coinbase exploring opportunities in this expanding field.