Two leading prediction market platforms, Polymarket and Kalshi, are turning to grocery giveaways as they compete for market share in the rapidly expanding sector. Kalshi distributed $50 grocery vouchers to over 1,000 participants at Manhattan’s Westside Market on Tuesday, drawing lines reported to stretch for multiple blocks.
Polymarket responded by announcing the opening of “The Polymarket”, New York’s first free grocery store, set to launch next Thursday. The platform is also donating $1 million to Food Bank for NYC to assist residents across all five boroughs. Polymarket emphasized that the store has been in development for months and will be fully stocked at opening.
Prediction Markets See Record Trading Volumes
Both platforms are leading trading volumes in the prediction market space, which now consistently exceed $400 million per day—a roughly fourfold increase from the same period last year. Kalshi reported $263.5 million in fee revenue for 2025, and both companies have achieved multibillion-dollar valuations fueled by major platform integrations.
Polymarket and Kalshi have also been active with media campaigns. Polymarket partnered with Dow Jones in January and launched interactive billboards, while Kalshi collaborated with outlets such as CNN and CNBC and displayed market odds on digital signage. Both platforms are prohibited from advertising during the Super Bowl on February 8.
Based in New York City, the two firms are leveraging the city’s status as a financial hub to attract new users, combining promotional events with growing digital trading volumes in the prediction market sector.
Disclaimer
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