House Oversight Committee expands prediction-market probe to three more platforms

• —Requests to Polymarket and Kalshi went out on May 22; three more platforms were added on September 29
• —Lawmakers are examining identity verification, geoblocking and suspicious-trading monitoring
• —The CFTC sought public comment on event contracts on March 12 and issued staff advice on 'mention markets' on September 22
• —Bill H.R.7004 would bar government officials from trading contracts tied to events within their remit