Michigan will host Oklahoma on Saturday. Kalshi's market prices have swung wildly in the aftermath of each team's first game.

In many Kalshi trades, customers are going up against the proverbial house. One of those houses is FanDuel, the popular U.S. sportsbook.

Prediction markets have grown considerably amid a ballooning sports betting market. What should consumers know about what's next for these brands on TV and in court?

In late August, Kalshi announced brand partnerships with the San Diego Padres and four other Major League Baseball clubs. The company will serve as the prediction market partner for the teams, with collaborations said to include in-stadium signage alongside social media and fan activations.

The Ninth Circuit Court of Appeals found that Kalshi's sports contracts amount to sports betting, even though the company offers them through a federally regulated exchange.

Young adults between 18 and 21 — too young to legally gamble on sportsbooks — have traded $5.4 billion on prediction market Kalshi so far this year, according to a CNN analysis. Kalshi, which has seen an explosive rise in popularity over the past few years,

Baltimore is taking prediction markets Kalshi and Polymarket to court, claiming the platforms are allowing illegal sports betting.

With online sports betting sites proliferating, Baltimore City is taking legal action to rein in two big players, accused of cheating. Event contracts, prediction market trades – those are the descriptions Baltimore City claims, covering what is open ...

Prediction markets have taken off in popularity, drawing billions of dollars in trades. Some states have tried to ban them.