Polymarket completed the acquisition of QCX, a CFTC-licensed derivatives exchange, for $112 million in July 2025, enabling its re-entry into the U.S. market. The acquisition included a CFTC-regulated clearinghouse, supporting Polymarket's strategy to operate as a regulated platform in the U.S. Additionally, Polymarket raised $200 million in June 2025, led by Founders Fund, achieving a valuation of $1 billion. This funding round brought the total funding to $255 million. However, Polymarket experienced a decline in active traders, with the number dropping to approximately 227,000 in August 2025, the lowest since October 2024, and daily active traders fell from 51,930 at the end of March to 27,674 by June 24, 2025. Monthly new accounts also decreased from 408,804 in February to 145,736 in May 2025.