Polymarket’s U.S. operator, QCX LLC, self-certified sports complex outcome contracts with the Commodity Futures Trading Commission on May 20. The proposed contracts would settle at $1 only if all specified sports outcomes occur, reflecting a parlay-style structure. The filing states the contracts could be listed on May 21 or later. Separately, SEC Chair Paul Atkins ordered public comment aimed at improving transparency in the ETF review process.