Kalshi Implements Employer Disclosure and Risk Scoring to Combat Insider Trading
On June 9-10, 2026, prediction market operator Kalshi announced new compliance measures to address insider trading concerns, including mandatory employer disclosure for high-risk markets, a risk-scoring framework, and enhanced whistleblower tools. The changes follow recommendations from an independent Surveillance Audit Committee and come amid heightened scrutiny from Congress and federal regulators, including investigations into former congressman George Santos and a Google employee charged with fraud on Polymarket. Kalshi reported blocking over 100 potential insider trades in Q1 2026.
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Kalshi Requires Users to Reveal Their Employer to Combat Insider Trading
Prediction market Kalshi has announced a new policy requiring some users to disclose their employer, effective immediately, as part of efforts to combat insider trading and market manipulation. The federally regulated platform said the measure follows recommendations from an independent Surveillance Audit Committee and applies to markets considered high-risk for insider abuse. The move comes amid increased scrutiny of prediction markets like Kalshi and Polymarket from lawmakers worldwide, following high-profile arrests including a U.S. Army Green Beret who placed $400,000 in bets on Polymarket regarding a Venezuela military raid, and a Google engineer arrested for alleged insider trading on Polymarket. Kalshi reported blocking over 100 potential insider trades in the first quarter of 2026 and opening more than 150 investigations into insider trading allegations. The company has also added whistleblower reporting tools for users to flag suspicious activity, though critics continue to accuse the platforms of operating unregistered gambling operations.
Yahoo FinanceKalshi to Require Employer Verification in Some Markets to Combat Insider Trading
Kalshi, a prediction market platform, announced on Tuesday that it will require users in certain markets to disclose their employer information as part of a new effort to prevent insider trading and market manipulation. The company has developed a scoring system that assesses the risk of insider trading and manipulation for each market. Markets that receive certain risk scores will mandate employment verification from participants. This move represents Kalshi's latest push to enhance market integrity and regulatory compliance.
Just In NewsKalshi Introduces Employer Disclosure and Risk Scoring to Combat Insider Trading
Kalshi, a federally regulated prediction market platform, announced new market integrity measures on June 10, 2026, including a requirement for traders in high-risk markets to disclose their employer before placing bets. The company also introduced a risk scoring framework that evaluates each market across six dimensions—corporate event risk, outcome concentration, market importance, regulatory compatibility, non-traditional insider risk, and national security risk—to determine which markets trigger the employment verification requirement. Additionally, Kalshi embedded tip-submission features across all markets for reporting concerns to a continuous surveillance team. These changes follow a recommendation from the company's independent Surveillance Audit Committee, which will deliver quarterly reports. Kalshi disclosed Q1 enforcement figures: over 150 investigations opened, more than 100 potential insider trades blocked, over 20 referrals to law enforcement, and five disciplinary actions. The measures come amid heightened congressional scrutiny of prediction markets, with Rep. James Comer opening a probe into Kalshi and Polymarket, and over 10 bills targeting prediction markets introduced in Congress this year.
Yahoo FinanceKalshi Rolls Out New Safeguards After Insider Trading Concerns Hit Prediction Markets
Prediction market operator Kalshi announced new compliance measures on Tuesday to address growing insider trading concerns. The exchange will require traders in high-risk markets—such as those tied to corporate performance, national security, or geopolitical flashpoints like the Iran war—to disclose their employment details via an online form. Kalshi also introduced a 'risk scoring framework' that evaluates six factors (including corporate KPI risk, outcome concentration, regulatory risk, and national security risk) before listing a market. Markets deemed too risky may be rejected entirely. Additional measures include expanded whistleblower tools for reporting suspicious activity directly to Kalshi's 24/7 surveillance team, and continued quarterly reports from an independent Surveillance Audit Committee. The move is the latest defense in a sector battling mounting insider trading concerns.
Yahoo FinanceKalshi introduces whistleblower services and employment verification to combat insider trading
Kalshi, a federally regulated prediction market platform, announced on Tuesday it will implement new measures to curb insider trading, effective immediately. The platform will require traders to disclose their employer's identity when trading on sensitive markets, following recommendations from an advisory committee. Kalshi will introduce risk scoring for markets to identify those susceptible to insider trading or manipulation, using six criteria including national security concerns and regulatory compliance. Markets that meet a certain risk threshold will trigger employment verification before trades are placed. The platform also enhanced its whistleblower features, allowing traders to report abusive activity at any time through internal alerting controls. These changes come amid increased scrutiny of prediction markets after federal prosecutors charged a Google employee with fraud in May 2026 for allegedly making over $1 million using insider information on Polymarket. Kalshi reported it has already prevented over 100 potential insider trading incidents in the first quarter using its new screening tools.
US Top News and AnalysisPrediction market Kalshi bets on compliance to address insider trading concerns
Prediction market operator Kalshi announced on June 9, 2026, that it will require employment disclosures for users trading on sensitive contracts and launch a whistleblower portal to address insider trading and market manipulation concerns. The measures, effective immediately, follow recommendations from an independent Surveillance Audit Committee. Kalshi will assign risk scores to markets based on factors like corporate performance, product launches, and national security implications. The move comes amid regulatory scrutiny, including a reported U.S. federal investigation into whether former congressman George Santos engaged in potential insider trading on Kalshi. The company also introduced reporting tools for users to flag suspicious activity, reviewed by a 24/7 surveillance team. Kalshi aims to build institutional-grade infrastructure as prediction markets grow in popularity and attract investor capital while avoiding the regulatory intensity of public equity markets.
Yahoo FinanceKalshi Plans Workplace Disclosure Rule to Combat Insider Trading
Kalshi, a popular prediction market platform, is planning to implement a new rule requiring users to disclose their employer when placing bets in certain markets linked to material nonpublic information. This measure follows recommendations from an advisory committee aimed at tightening security to combat potential insider trading and market manipulation. The changes, which involve users submitting an online form, are expected to be rolled out in the coming weeks. The article, published by the Wall Street Journal and syndicated on Yahoo Finance, highlights growing concerns about suspicious activity on prediction platforms and Kalshi's proactive steps to address regulatory and ethical risks.
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