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JPMorgan’s Debanking of Polymarket Puts Prediction Market Compliance Back in Focus
JPMorgan Chase’s decision to end its banking relationship with Polymarket underscores the persistent regulatory challenges facing crypto and prediction market platforms. This analysis examines the broader implications for operators, where banking access remains tied to shifting regulatory landscapes, state-level investigations, and the evolving risk appetites of major financial institutions.
JPMorgan Chase ended its banking relationship with Polymarket last year over regulatory concerns. The bank notified the prediction market platform in October that it needed to find a new lender, and Polymarket has since moved to a different bank, though the new provider’s identity hasn’t been confirmed.
For crypto and prediction market operators, the episode is a reminder that banking access can shift even after a platform clears a major regulatory hurdle.
A ban, then a return, then a debanking
Polymarket’s US history hasn’t been a straight line. The platform was banned from allowing US customers following a 2022 enforcement action by the Commodity Futures Trading Commission, which found it had been operating an unregistered derivatives trading platform. The CFTC under the Trump administration allowed the New York-based company to re-enter the US market last year, though the agency still has an ongoing investigation into Polymarket that was active as of June.
JPMorgan’s decision to end the banking relationship came against that backdrop, while the platform was still working to rebuild its US footing.
JPMorgan hasn’t fully walked away
Cutting the banking relationship didn’t mean cutting all ties. JPMorgan invited Polymarket chief executive Shayne Coplan to speak at a conference for wealthy private banking clients in Miami in February, alongside former NFL star Tom Brady. People close to the matter say the bank wants to stay in the running for an underwriting role should Polymarket eventually go public, and one person close to the platform put it simply: the bank doesn’t want to burn its bridges.
Polymarket disputes any characterisation of a clean break. The company says it maintains an active relationship with JPMorgan spanning multiple entities, operational integrations, and the handling of customer fund flows, and has pushed back on any suggestion that the relationship has ended.
The regulatory pressure building around prediction markets
Polymarket isn’t navigating this alone. More than a dozen US states have taken legal action against both Polymarket and rival platform Kalshi, alleging the companies are operating unlawful sportsbooks. Both companies argue they’re exchanges, matching opposing sides of a bet against each other, rather than acting as a bookmaker taking on the other side of a wager.
Insider trading has become a separate concern. In April, a US soldier involved in planning the January raid to seize Venezuelan leader Nicolás Maduro was charged with placing Polymarket wagers on the mission that netted more than USD 400,000. The soldier, Gannon Ken Van Dyke, has pleaded not guilty.
Also read: Revolut Secures Full Banking License In France After ECB Standoff
Debanking has become a political flashpoint
The broader issue of debanking, customers losing access to banking services, has turned into a hot-button political topic in the US after prominent tech investors said crypto businesses they’d backed struggled to get basic banking. The US government is now investigating several large banks, including JPMorgan, over whether they provided fair access. Donald Trump has also sued JPMorgan and chief executive Jamie Dimon, alleging his own accounts were closed for political reasons. JPMorgan says the suit has no merit.
Banks, for their part, point to a regulatory regime that can create legal exposure around sensitive accounts, which puts them in the position of weighing reputational and compliance risk against client relationships.
The scale driving bank caution
Prediction markets have grown quickly in the US, building on a boom in sports betting that followed a 2018 Supreme Court ruling allowing states to legalise the activity. These platforms aren’t regulated as betting companies, and they let users place wagers on outcomes ranging from sports results to elections to the future price of oil. Prediction markets have generated more than USD 250bn in notional trading volume so far in 2026, according to user-compiled data on crypto analytics platform Dune.
Polymarket itself is seeking to raise more than USD 1bn at a valuation of USD 20bn, more than double the roughly USD 8bn it was worth in a 2025 fundraising round.
Related: Defining Crypto Banking License, What Actually Exists as an Option?
Why this matters for crypto and gaming operators
A platform can hold a valid federal registration and still lose its bank. That’s the core lesson here. Polymarket’s derivatives registration issue with the CFTC and its banking relationship with JPMorgan were two separate compliance tracks, and clearing one didn’t guarantee stability on the other.
For any crypto exchange, gaming platform, or high-risk fintech operator, this points to a familiar problem: banking access sits at the intersection of a platform’s regulatory status, its transaction risk profile, and an individual bank’s own risk appetite, and that last part can shift even when nothing about the platform’s legal position has changed. Ongoing state-level litigation, unresolved federal investigations, and insider trading cases involving individual users can all weigh on a bank’s willingness to keep an account open, regardless of whether the platform itself has done anything wrong.
Where this leaves operators watching the prediction market space
None of this is resolved yet. The CFTC’s investigation into Polymarket continues, the multi-state legal actions against Polymarket and Kalshi are ongoing, the debanking dispute between the US government, Trump, and JPMorgan remains unsettled, and Polymarket’s fundraising round hasn’t closed. Any crypto-native or prediction market business assessing its own banking and licensing exposure in the US should track each of these separately rather than treating a single positive development, like CFTC re-entry, as the whole picture.
LegalBison tracks banking access and licensing developments like this the way it tracks any high-risk vertical: what the compliance requirements actually are, what a bank or regulator is realistically likely to ask for, and how account opening and licensing status interact in practice for crypto and gaming platforms.
