An anonymous campaign staffer told NPR earlier this month that they and colleagues routinely placed Polymarket bets on internal polling data before public release, generating thousands of dollars per cycle. The admission marks the third Polymarket-specific insider trading pattern documented by NPR in three months and exposes a regulatory gap that federal legislation has so far not closed at the campaign-staff layer.
Key Takeaways:
NPR documented third Polymarket insider trading pattern in three months on May 7, 2026.Senate Res. 708 banned member and staff prediction-market trading by unanimous consent April 30.CFTC charged Master Sgt. Van Dyke with $404K Polymarket insider trading on April 23, 2026.The CFTC filed its first event-contract insider trading complaint on April 23, 2026, charging Master Sergeant Gannon Ken Van Dyke of the US Army Special Forces with using classified information about US operations to capture Venezuelan leader Nicolás Maduro.
