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What is Red Hot Volcano?
During the livestream, the president stated that he had spoken with a woman who said her 26-year-old son had taken his own life because of online betting. He also mentioned hearing from a bettor who had racked up BRL2 million ($388,410) in debt in just three months of wagering.
Lula said he intends to discuss the matter with his team and analyse potential measures to consider the social impact of online betting.
What the president does not acknowledge is that the government relies on revenue from the sector. In just the first seven months of 2026, BRL8.747 billion generated by sports betting has already flowed into public coffers. The Federal Revenue Service estimates the total could reach BRL16 billion by the end of the year. In 2025, nearly BRL9 billion was collected from sportsbooks.
What is Red Hot Volcano?
Marantelli says the London-based White Swan is a significant market maker on several secondary exchanges, accounting for as much as 40% of activity on some platforms. Its particular focus is the RFQ, parlay market.
“Just better margins,” he says of that decision. “I think it’s more defendable. It’s the area that fewer people can do well. So I think it’s more defendable margin, more ability to get long-term contracts and beneficial positions.”
Singles can be profitable, but parlay pricing requires the market maker to calculate the correlations between multiple outcomes and respond dynamically to individual requests. It is a skill set built over years in the sharper regions of the existing sports betting ecosystem.
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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.
Polymarket has developed its media presence elsewhere. In January, it signed a deal with Dow Jones to provide its prediction market data to several of the publisher’s consumer platforms. The deal covers publications including The Wall Street Journal, Barron’s, MarketWatch and Investor’s Business Daily.