Polymarkets Free Grocery Store Pop-up Aims to One-up Kalshis Viral Giveaway

Two rival prediction markets took their competition offline and into the checkout aisle this month, as Polymarket and Kalshi rolled out free-grocery stunts in New York City that blended viral marketing, civic signaling, and a not-so-subtle flex at a moment when food prices - and regulatory pressure - are both uncomfortably high. Free Groceries in []