MARKET WINDOW
July 1 to 31, versus June 1 to 30. Trading closes Friday, July 31 at 11:59 PM ET.
DEFINITIONS & SCOPE
Unique purchasers are distinct cardholders with a verified funding transaction under each platform's billing descriptor, U.S. consumer rails. Prediction Markets includes Kalshi and Polymarket. Sportsbooks includes DraftKings, FanDuel, BetMGM, Caesars Sportsbook, Fanatics Sportsbook, and ESPN Bet. Withdrawals and promotional credits are out of scope. Growth rate normalizes the scale gap between the two.
RESOLUTION METHOD
Higher month-over-month unique purchaser growth rate wins. Tie refunds all positions in full.
DATA SOURCE
Powered by verified transaction data from American Spend's oracle. Anonymized, aggregated, and secured. Real, objective, verified proof of spend sourced from a representative sample of consumer spending.