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The proposal does not explicitly prohibit the display of betting brands on team jerseys, but some city councillors want to include this in the bill.
Clubs fear the measure will jeopardise revenue from betting company sponsorships. Corinthians (Esportes da Sorte), Palmeiras (Sportingbet), and São Paulo (Superbet) alone hold contracts worth BRL350 million annually with betting firms.
One concern is the measure might force clubs to host matches outside the city to maintain their advertising agreements.
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In response, Silver noted that the NBA could be a “party” to that, while adding that he may support the establishment of a federal tsar on sports betting.
In addition, regulated sportsbooks appear to have a vested interested in mitigating the risk of violent threats associated with athlete harassment. Joe Maloney, president of the Sports Betting Alliance, told iGB on Tuesday that its members are investing in tools and partnerships that help identify bad actors and share information with leagues and other stakeholders.
Another proposed action from the leagues centres around the creation of a standardised, cross-operator reporting platform that will allow players, unions and leagues to “securely transmit verified evidence of threats” to state regulators.
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Kalshi enforced penalties under multiple exchange rules designed to mirror federal market regulations. These include prohibitions on trading when a participant can influence the outcome of an event, trading on material non-public information and engaging in manipulative or fraudulent practices.
The sanctions, effective from 28 August 2026 , bar Santos from any direct or indirect trading access on Kalshi.
Earlier this year, fellow prediction market platform Polymarket also ended its paid relationship with Santos amid a Department of Justice investigation over whether he had placed a wager on his appearance at the same State of Union address.