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Prior to announcing the Yahoo Finance accord last November, Polymarket and one of its rivals unveiled deals with Google Finance.

In January, Polymarket and Dow Jones announced an agreement that paved the way for event contract data to appear on various Dow Jones sites, including The Wall Street Journal. Dow Jones also owns Barron’s, Investor’s Business Daily and MarketWatch, among other media properties.

Polymarket also has marketing deals with Major League Baseball (MLB), Major League Soccer (MLS), the NHL and UFC.

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The final third derives from a further 0.4% of a club’s gaming machine profits over $1 million during a tax year. 

However, the scheme has faced ongoing scrutiny and criticism. Clubs can direct the funds towards upgrading their own facilities, and there is no mandated verification for how the grant recipients must deploy the money. 

The latest 2025 contribution report indicated that $127 million was awarded, with $53.3 million specifically allocated to sport-related organisations.

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Robinson calls prediction markets “the main event”. His argument is not simply that US customers are moving from sportsbooks to prediction markets. The more important point is that sportsbooks no longer have the relatively protected market that was once assumed.

Kalshi, Robinhood, Crypto.com and DraftKings’ own prediction-market operation are all competing for activity around sporting events. Beynon says prediction markets are having a larger effect on valuations than on fundamentals so far.

The existence of a new competitor does not automatically mean sportsbook revenue will collapse. But valuations do not require proof of collapse to fall. A loss of confidence in future growth can be enough.