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While the Polymarket/Yahoo Finance situation is one of the earliest examples of a severed relationship between a prediction market operator and a media entity, that doesn’t mean those “divorces” will permeate the two industries.
There’s widespread belief that old guard media companies are incentivized to feature event contract data on their sites or reference it in select publications as a way of better connecting with younger readers and viewers.
Then there are the financial implications, namely new revenue streams. Prediction market operators typically pay media companies to integrate their data while some outlets also earn referral commissions for driving new business to yes/no exchanges.
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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.
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For Marantelli, the exchange format could also cause some customers to lose money faster than they would with a conventional sportsbook. The ability to enter and exit positions creates a perception of flexibility, but that optionality can encourage users to commit more of their bankroll.
A customer might buy a team at 55 or 56 cents expecting the price to rise to 58 or 59 cents, he explains. If it falls to 45 cents instead, the trader may refuse to accept the loss and continue holding the position.
“People will lose money faster on exchanges for lots of reasons,” Marantelli says. “It inherently increases spend, volatility, lots of things. And you’re playing against a sharper audience than you’re playing against at the DraftKings sportsbook.”
