Prop bet chaos as Kalshi calls Cardi B’s Super Bowl cameo was ambiguous and Polymarket pays out on disputed wager

Cardi B was part of Bad Bunny’s Super Bowl halftime show. What she did exactly, well, that turned into a perplexing question for two major prediction markets.

At least one Kalshi trader filed a complaint with the Commodity Futures Trading Commission over how the prediction market handled Sunday’s appearance by the Grammy-winning rapper. The result of a similar event contract on Polymarket also drew the ire of some users on that platform.

Prediction markets provide an opportunity to trade ...