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When the Kansas City Chiefs play the Dallas Cowboys on Thanksgiving, people across America will be able to use Kalshi’s prediction-market platform to
bet on which football team will win. Kalshi is allowing its users to place their wagers on the Chiefs or Cowboys by buying an event contract built on a yes-or-no question. The contract trades on the platform like a stock and pays out if the user bets correctly.
Kalshi launched its sports contracts at the beginning of 2025, and business started booming in the late summer with the start of the professional football season. On the first Saturday of September, 96% of the $107 million in volume that changed hands on Kalshi came from sports contracts, according to data platform Dune. And since Kalshi’s founding in 2018 through Nov. 19, some $12.5 billion of the volume on the platform has come from U.S.-based sports contracts — nearly 73% of its total $17.2 billion of volume, data from Dune show.