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What is Diamond Strike?
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.
The news comes as prediction market operators continue to form alliances with major media outlets. These deals allow news outlets to embed event contract data into their reporting and offer prediction platforms more visibility to investors and news audiences.
What is Diamond Strike?
This latest operation forms part of an ongoing surge in Türkiye’s efforts to curb illegal betting throughout 2026.
Earlier this year, Turkish Interior Minister Mustafa Çiftçi called illegal betting a “scourge that corrupts society” and emphasised a move towards tougher enforcement.
According to Çiftçi, the rapid growth of digital payments and cryptocurrencies has transformed illegal betting into a major conduit for money laundering.
What is Diamond Strike?
The offences relate to special betting markets that let customers wager on the exact date of the general election.
The then-prime minister, Rishi Sunak, announced 4 July 2024 as the election date on 22 May 2024. However, internal planning for that date had already begun at 10 Downing Street and Conservative Campaign Headquarters before the announcement.
Anthony Lee’s senior campaigning role gave him access to confidential discussions about the election timing. Rather than keeping that information confidential, he placed bets and passed it to his wife. She then used the information to place her own bets.