Kalshi says it will block politicians and athletes from trading in markets they’re tied to | The VergeSkip to main contentThe homepageThe VergeThe Verge logo.The VergeThe Verge logo.TechReviewsScienceEntertainmentAIPolicyHamburger Navigation ButtonThe homepageThe VergeThe Verge logo.Hamburger Navigation ButtonNavigation DrawerThe VergeThe Verge logo.Login / Sign UpcloseCloseSearchTechExpandAmazonAppleFacebookGoogleMicrosoftSamsungBusinessSee all techReviewsExpandSmart Home ReviewsPhone ReviewsTablet ReviewsHeadphone ReviewsSee all reviewsScienceExpandSpaceEnergyEnvironmentHealthSee all scienceEntertainmentExpandTV ShowsMoviesAudioSee all entertainmentAIExpandOpenAIAnthropicSee all AIPolicyExpandAntitrustPoliticsLawSecuritySee all policyGadgetsExpandLaptopsPhonesTVsHeadphonesSpeakersWearablesSee all gadgetsVerge ShoppingExpandBuying GuidesDealsGift GuidesSee all shoppingGamingExpandXboxPlayStationNintendoSee all gamingStreamingExpandDisneyHBONetflixYouTubeCreatorsSee all streamingTransportationExpandElectric CarsAutonomous CarsRide-sharingScootersSee all transportationFeaturesVerge VideoExpandTikTokYouTubeInstagramPodcastsExpandDecoderThe VergecastVersion HistoryNewslettersArchivesStoreVerge Product UpdatesSubscribeFacebookThreadsInstagramYoutubeRSSThe VergeThe Verge logo.Kalshi says it will block politicians and athletes from trading in markets they’re tied toComments DrawerCommentsLoading commentsGetting the conversation ready...TechCloseTechPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All TechNewsCloseNewsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All NewsPolicyClosePolicyPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All PolicyKalshi says it will block politicians and athletes from trading in markets they’re tied toThe system is meant to ‘prevent insider trading and manipulation,’ according to Kalshi.The system is meant to ‘prevent insider trading and manipulation,’ according to Kalshi.by Emma RothCloseEmma RothNews WriterPosts from this author will be added to your daily email digest and your homepage feed.FollowFollowSee All by Emma RothMar 23, 2026, 8:24 PM UTCLinkShareGiftImage: The VergePart OfEverything is gambling now: the latest news on prediction markets like Polymarket and Kalshisee all updates Emma RothCloseEmma RothPosts from this author will be added to your daily email digest and your homepage feed.FollowFollowSee All by Emma Roth is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO.The prediction market platform Kalshi says it’s rolling out new guardrails to “preemptively block” political candidates and athletes from trading in their own markets, as reported earlier by Axios. In addition to blocking political candidates from trading on their own campaigns, Kalshi says its system will also prevent professional and college sports athletes, referees, and personnel from trading in sports they’re involved in:The guardrails we built use state-of-the-art technology and screening lists, but no screening system is perfect, and motivated bad actors consistently try to find a way. To that end, we are also adding a whistleblower functionality straight in our market page, which makes it easier for our community to flag potential violations as they go through our public trading data.RelatedOh, you think the government will regulate Kalshi and Polymarket? Wanna bet?Kalshi says it fined a MrBeast editor and a politician for insider tradingKalshi says the move will “proactively address the CFTC’s [Commodity Futures Trading Commission] guidance and Congressional bill proposals to prevent insider trading.”Follow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.Emma RothCloseEmma RothNews WriterPosts from this author will be added to your daily email digest and your homepage feed.FollowFollowSee All by Emma RothAppsCloseAppsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All AppsNewsCloseNewsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All NewsPolicyClosePolicyPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All PolicyPoliticsClosePoliticsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All PoliticsTechCloseTechPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All TechMore in: Everything is gambling now: the latest news on prediction markets like Polymarket and KalshiKalshi barred from Nevada for at least 14 days.Elizabeth LopattoMar 20Prediction markets are trying to lure journalists with partnership dealsMia SatoMar 19The MLB creates a distraction from last season’s betting scandal by cutting a deal with Polymarket.Richard LawlerMar 19Most PopularMost PopularNvidia CEO Jensen Huang says ‘I think we’ve achieved AGI’Confronting the CEO of the AI company that impersonated meVideoThe US government just banned consumer routers made outside the USThe improved battery-powered Starlink Mini is hereGemini task automation is slow, clunky, and super impressiveThe Verge DailyA free daily digest of the news that matters most.Email (required)Sign UpBy submitting your email, you agree to our Terms and Privacy Notice. 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Kalshi, a prediction markets platform, is implementing a new system designed to proactively prevent insider trading and manipulation within its markets. This initiative, detailed by Emma Roth for The Verge, directly responds to evolving regulatory concerns and legislative proposals regarding market integrity, specifically referencing guidance from the Commodity Futures Trading Commission (CFTC) and potential Congressional bills. The core of the system hinges on a technological screening process utilizing state-of-the-art technology and established screening lists. However, Kalshi acknowledges the inherent limitations of any screening mechanism and the persistent attempts of motivated actors to exploit market vulnerabilities. To mitigate this risk, Kalshi is integrating a whistleblower functionality directly within its market page. This feature empowers the user community to flag potential violations as they observe trading data, fostering a more vigilant and responsive environment.

The system’s implementation is driven by a specific mandate: to address concerns surrounding the use of information related to political candidates and athletes trading in markets linked to their own activities. Kalshi’s strategy anticipates increased regulatory scrutiny, as evidenced by the CFTC’s existing directives and emerging Congressional efforts aimed at curbing insider trading in prediction markets. The rollout is presented not merely as a reactive measure, but as a proactive step to align with future legal frameworks. Further solidifying this approach, Kalshi has already taken action against individuals involved in previous instances of manipulation, demonstrating a commitment to upholding market standards. The inclusion of a whistleblower mechanism underscores a broader strategy of fostering transparency and community involvement in safeguarding market integrity, recognizing that robust oversight extends beyond purely automated screening processes. This proactive approach contrasts with potentially looser regulatory environments currently existing for prediction markets, highlighting Kalshi's commitment to responsible market conduct.