March Madness betting 2026: which sportsbooks actually won the attention race
The 2026 NCAA Tournament projected $3.3 billion in legal handle — but consumer attention didn't distribute evenly. Blask Index data shows DraftKings performing above its monthly average while FanDuel and BetMGM continued declining. Prediction markets added a new dimension: Kalshi recorded $3.4 billion in weekly notional volume and grew its Blask Index 76% year-over-year.