Key insights
- Major League Baseball partnered with Polymarket, granting exclusive access to data and logos. The agreement includes a framework to protect the integrity of the sport and restricts markets that present an integrity risk to MLB. While this partnership signals growing acceptance of prediction markets, the increased regulatory scrutiny and potential restrictions on market offerings could slightly dampen speculative activity.

Investing.com -- Major League Baseball announced Thursday it was naming Polymarket its official prediction market partner and signed a memorandum of understanding with Commodity Futures Trading Commission Chairman Michael Selig.
Under the agreement, Polymarket and its brokers will gain exclusive access to MLB logos and official data and receive brand exposure across league events. The partnership will include a comprehensive integrity framework, according to the announcement.
The league established a clear intent to share information with the CFTC related to prediction markets under the agreement with Selig. While Polymarket will have exclusive rights, MLB said it will retain relationships with other prediction market exchanges that offer baseball contracts.
Polymarket and MLB said they would work together to restrict markets that present an integrity risk to MLB, such as individual pitches, manager decisions, and umpire performance. Polymarket would restrict event contracts that pose an integrity risk to the game.
"Polymarket is about bringing fans closer to the moments that define sports," Polymarket CEO Shayne Coplan said in a statement. "By working collaboratively with Major League Baseball and regulators, we can create new ways for fans to engage with the game while protecting the integrity of the sport."
The announcement follows Major League Soccer partnering with Polymarket earlier this year. The National Hockey League was the first major sports league to announce a prediction markets partnership last October.
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