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Beyond Texas, Kalshi made history on Friday when it became the first prediction market to sign a partnership with a federally recognised sovereign nation.
One day before a primetime showdown between the University of Mississippi and Louisiana State University, the Tunica-Biloxi Tribe of Louisiana announced the launch of a tribal prediction market app. The new app, powered by Kalshi, will be launched through SaltTrade Derivatives, a newly established subdivision of a tribal-owned enterprise.
Through the collaboration, the tribe will draw upon Kalshi’s established infrastructure and market expertise to develop a distinct tribal-owned trading application, said Tunica-Biloxi Chairman Marshall Pierite in a statement.
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Entain has been demoted from the FTSE 100 to the FTSE 250, according to a quarterly update from the London Stock Exchange Group (LSEG).
It joined the FTSE 100 index on 22 June 2020, cementing its position as one of the UK’s 100 most highly capitalised blue chips listed on the London Stock Exchange.
Although it will remain on the FTSE 250, Entain’s relegation will see it removed from the FTSE 100 on 21 September.
What is Royal Spin - Coin Frenzy?
The two companies began collaborating in November 2025. As part of the deal, Polymarket provided data for a dedicated prediction market section on Yahoo Finance. The feature provided market-based probabilities of economic, political, and financial developments alongside Yahoo Finance content.
The Yahoo Finance prediction market section was taken out in April. The companies have now confirmed that the larger deal is also off, as reported by Bloomberg.
Yahoo said Polymarket is still an advertising partner and suggested the two could collaborate on other projects in the future. Polymarket has not provided any public explanation for the end of the data partnership.
