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What is Dwarf Dragon?
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.
What is Dwarf Dragon?
Each year, the start of the NFL season gives bonus hunters an opportunity to take advantage of generous offers from leading operators as the companies engage in a customer acquisition bonanza.
Given the rise of prediction markets, this week arguably represents the most frenzied campaign since the historic PASPA decision in 2018. Buttressed by massive capital injection from substantial funding rounds, operators have spent handsomely on celebrity endorsements. Over the last week, ads featuring LeBron James, Sydney Sweeney, Marshawn Lynch and Jeremy Piven have showered the airwaves. Even Pete Sampras, who disappeared from the public spotlight for the better part of two decades, resurfaced in a US Open spot for Kalshi.
While Polymarket pulled off a coup with the signings of James, Eli Manning and Derek Jeter, a Novig ad featuring Sweeney arguably received as much fanfare. Sweeney, an Emmy Award-nominated actress known for her role in HBO’s Euphoria series, stars in the spot titled “Just Sports.” As of Friday afternoon, the Novig post on social media platform X received at least nine million views.
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Grasso claimed he was unaware of the donations before being approached by Patch. He added that his campaign had reported them to the Board of Elections and would be returning them.
It was not the first time Grasso had returned campaign money from Rovito.
The restaurateur donated $5,000 to Grasso’s unsuccessful 2018 campaign for Illinois attorney general in November 2017, but Grasso returned the money the following month after a TV station questioned the contribution, according to Patch.