Kalshi and Polymarket did not publish the four insider trading numbers senators demanded by Election Day
Lawmakers had sought disclosure of surveillance and enforcement data as insider trading concerns around election markets intensified.
Read at Gaming America →Full coverage · 15 outlets
- Gaming America · lead
- Bloomberg Law NewsKalshi Cites Election Probes in Response to Insider Trading Fear
- Council on Foreign RelationsBetting on Democracy
- NPRPolymarket has investigated 'dozens' of election-related cases
- The New York TimesThe Average Guys Outsmarting Wall Street on Prediction Markets
- CNNWhat are prediction markets and why is the Trump administration on board?
- WCIVPolymarket, Kalshi create restrictions for insider trading
- PBSKalshi fines and suspends 3 congressional candidates for betting on their own elections
- BBCThe insider trading suspicions looming over Trump's presidency
- CNBCGamble on democracy: Inside suspicious election-contracts trading on prediction markets
- NBC NewsPolymarket tries to show it can play by the rules
- Al JazeeraSenators propose ban on US gov’t officials doing prediction market trading
- CBS NewsPrediction markets draw scrutiny over Iran bets: "Insider trading in broad daylight," senator says
- The Washington PostPolymarket is in a high-stakes race to win back trust as it recommits to the US market
- qz.com9 prediction-market bets and stories from the 2026 midterm elections