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A federal judge sentenced Santos to 87 months in prison last April on felony wire fraud and check fraud charges. After Santos served several months in 2025, US President Donald Trump granted the former congressman clemency, resulting in his immediate release.
Shortly after his release, Santos had begun working as an influencer for Polymarket.
Santos’ case represents the most severe among four disciplinary settlements announced by Kalshi, which has faced increasing scrutiny concerning insider knowledge risks and event outcome influence by market participants.
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James Monk, founder of sports data and streaming provider Catalist Sports, has witnessed that dependence directly. Catalist supplies ITF tennis data to Kalshi and Polymarket and has an exclusive US sports-streaming agreement with Kalshi.
The company must also provide data to the firms making markets on those events.
“If we just sold the data to Kalshi in order to list the markets but no one was coming in and placing liquidity, there’s no point in them listing the markets,” Monk said. “We also need to supply the data to the market makers to inform their models.”
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He was among 22 people arrested in coordinated raids by the FBI April 29 following a long-running investigation dubbed “Operation Porterhouse Parlay,” which allegedly uncovered links between illegal gambling operations and restaurant networks spanning Northwest Indiana and suburban Chicago.
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.
