JPMorgan Chase & Co. ended bank account services for Polymarket in October 2025, but The Block reported the bank is still seeking a role if the prediction-market platform eventually pursues an initial public offering. Polymarket later moved its accounts to another financial institution and said its relationship with JPMorgan remains active across multiple entities, operating systems and customer fund flows, with Chief Executive Officer Shayne Coplan having attended three major JPMorgan events over the past year. The split in banking services came after Polymarket had stopped offering its prior products to U.S. users. The company had agreed in 2022 to pay a $1.4 million fine to the Commodity Futures Trading Commission and shut markets that did not comply with U.S. derivatives law. It has since reentered the U.S. through Polymarket US after acquiring U.S. derivatives exchange QCX and clearinghouse QC Clearing for $112 million. The report comes as Polymarket discusses raising about $1 billion at a valuation of more than $20 billion, up from a $9 billion valuation in October 2025 after Intercontinental Exchange Inc., parent of the New York Stock Exchange, agreed to invest as much as $2 billion. The developments also land amid a broader debate over debanking and continued legal pressure on prediction markets, including a lawsuit by Baltimore against Polymarket and Kalshi over sports-related contracts and a New York City Council investigation into the marketing practices of Polymarket, Kalshi and others.