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Yahoo Finance has soured on prediction market Polymarket, closing a deal between the financial news platform and the event contract operator in less than a year after it began.
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.
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The president of the Turkish Green Crescent Society, Associate Professor Mehmet Dinç, expanded on this point, highlighting the relationship between supply and demand in the fight against illegal betting.
“In the fight against gambling, combating supply alone is not enough,” he said. “Combating demand alone is not enough; merely shutting down websites is not enough. This is an ecosystem: it starts with advertisements and continues through social media, sporting activities, influencers, games, mobile applications, payment systems, loans, bets, losses, debt and continued betting.”
Kathryn covers bitesize breaking news with a primary focus on EMEA and US legislation. A proud North Walian, fluent Welsh speaker and lifelong Wrexham FC fan – long before Hollywood came calling.
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The 2026 World Cup was therefore the culmination of five years of development that had embedded AI throughout Kambi’s trading operations.
“In simple terms, what we have undertaken is a shift from machine-assisted human trading to human-assisted machine trading,” Lamb explains.
The shift means that rather than spending their time pricing and managing established markets, traders can now apply their expertise where human judgement has the greatest value, including developing and testing new products. AI removes many of the practical limits on what can be offered and priced, and manages the resulting scale and complexity. The result is greater efficiency for Kambi and a better service for its partners and their customers.