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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.
Marantelli identifies White Swan and Susquehanna as two firms operating at industrial scale in parlays, with Jump Trading, Mojo and DL Trading among the possible leading group. Below them are numerous smaller syndicates, some managing between $5 million and $10 million, alongside sports-specific specialists.
Enda Kendrick, chief executive of service provider Veltium, similarly says the largest UK and European sharp-betting groups have moved rapidly into US prediction markets. He believes there are also more than 100 smaller operations, ranging from individual traders to teams of around 10, interested in entering the regulated US market.
About Fire Joker 100
Meanwhile the government has been approaching the issue via a new bill. Sports minister Sadok Mourali said in November 2024 that a gambling and sports betting bill had been circulated for consultation. Twenty-six public institutions received that consultation, including the central bank, Competition Council and financial intelligence authority.
A year later he said the draft had been completely revised to bring it into line with international standards on sports betting manipulation and money laundering.
The text has not been published. It is not known whether it would allow private operators to be licensed or simply modernise Promosport’s monopoly. Mourali told a parliamentary committee in November 2025 that a new law would digitise sports betting.
About Fire Joker 100
The decision to use a provisional measure means the restrictions can take effect immediately, less than a month before the elections. This is the clearest indication yet that the sector is being used for electoral purposes to try and secure Lula’s re-election.
The drafting of the text is reportedly in the hands of the Civil House, with some believing that it serves an electoral purpose, meaning Lula potentially riding the wave of criticism against the sector.
The Brazil betting industry has faced increasing scrutiny of late over claims that families are falling into debt because of gambling.