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That widening breadth is vital for the industry at a time when some analysts estimate volume could jump to $10 trillion by 2035 – a projection that is largely rooted in other categories surpassing sports for the top spot.
Nearly a third of respondents told Fullstory that increased event contract breadth could compel them to consistently choose a prediction market over a sportsbook.
Sportsbook operators have an inherent advantage over prediction markets in that the former can offer significantly larger sign-up and retention bonuses and gaming companies are leaning into those expenditures this football season.
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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.
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Participants broadly accepted the principle that gambling information should be transparent and accessible, but many reported difficulty interpreting or using it effectively in practice.
Technical data such as odds and rules were often obscured by delivery timing that came too late to influence decisions.
This sense of understanding was also described as something that needed to be maintained continuously, rather than achieved only once and then relied upon.