Group 1 - Polymarket has acquired QCX for $112 million, paving the way for its return to the U.S. market after a federal investigation was closed [1][2] - The acquisition provides Polymarket with a regulated entity to operate contract trading within the U.S., which is crucial for compliance [1][2] - Polymarket has attracted approximately $6 billion in trading volume globally this year, but had to close services to U.S. users since 2022 [1][3] Group 2 - QCEX, based in Boca Raton, Florida, is a newly regulated exchange that received its operating license from the CFTC in July 2023 [2] - The acquisition allows Polymarket to operate as a fully regulated platform in the U.S., enabling American users to trade their predictions [2] - The regulatory environment has become more favorable for prediction markets, with recent developments indicating a shift towards acceptance [3][4]