JPMorgan Chase terminated its primary banking relationship with Polymarket back in October 2025, citing regulatory concerns, and directed the platform to find a new lender. Polymarket completed its shift away from JPMorgan as its banker, yet the two organizations continue to work together on operational integrations, customer fund flows, and leadership appearances. And now the bank is positioning itself for a potential underwriting role if Polymarket pursues a public listing. This dual stance reflects a rather convenient, but not unexpected move by JPMorgan Chase: stay away from the day-to-day risk while cashing in on the big-ticket commercial banking opportunities.
Reporting first detailed by the Financial Times and later confirmed by multiple outlets shows that JPMorgan acted on internal risk assessments rather than any direct government order when it kicked Polymarket to the curb. Polymarket has since moved its core accounts to an unidentified financial institution. A company spokesperson stressed that the overall connection remains intact, stating the firms still share “a close, active relationship… across multiple entities, operational integrations, and material handling of customer fund flows.”
How the October 2025 Separation Unfolded
In October 2025, JPMorgan formally notified Polymarket that it needed to secure alternative banking partners. News reports underscored that no regulator compelled the decision. Instead, the bank appears to have weighed compliance questions surrounding event contracts and chose to step back from routine deposit and transaction services.
Polymarket followed through and transferred its main accounts in the months that followed. However, customer fund movements and selected operational links continue to involve JPMorgan systems in limited ways. This partial continuity helped traders avoid major disruptions while the bank limited the broader operational risk its internal teams felt could be a liability.
Polymarket pushed back against any suggestion of a total break with JPMorgan. The same spokesperson noted that CEO Shayne Coplan has addressed three of the bank’s flagship events over the past year, so there was no personal friction.
Even after ending core banking services, JPMorgan has kept the door open for capital-markets work. Sources indicate the bank wants to stay in contention for an underwriting assignment should Polymarket decide to list shares publicly. That interest coincides with Polymarket’s exploration of a new funding round targeting roughly $1 billion at a valuation above $20 billion. Annualized revenue has already surpassed $1 billion, giving the platform the scale that typically draws investment-banking attention.
A person close to the talks described JPMorgan’s approach as deliberate: the firm prefers not to close every avenue. Earlier interactions, including facilitation of client participation in prior funding rounds, provide institutional familiarity that could support future public-offering teaming. Polymarket has not filed a registration statement or set a formal timeline, yet the revenue trajectory and expanding trader activity make a listing a realistic medium-term option.
The episode shows how a major bank can step back from day-to-day services while still competing for future fee-generating advanced services. By exiting core accounts yet retaining underwriting interest and selective engagement, JPMorgan reduces exposure without ending banking relationships with a rapidly scaling client.
References
- The Block: JPMorgan cut Polymarket’s banking ties in October but still wants a role in a potential IPO
- Reuters: JPMorgan debanked Polymarket last year over regulatory concerns, source says
- American Banker: JPMorgan debanked Polymarket on regulatory concerns, FT says
- Bloomberg: JPMorgan Debanked Polymarket on Regulatory Concern, FT Says
- CoinMarketCap: JPMorgan Dropped Polymarket as Client in 2025, Eyes IPO Role
- CoinDesk: JPMorgan debanked Polymarket in late 2025
- Quartz: JPMorgan cut Polymarket as banking client over regulatory concerns
- Benzinga: JPMorgan Reportedly Dropped Polymarket As Banking Client Over Regulatory Concerns
- Crypto.news: JPMorgan ended Polymarket banking relationship in 2025
- Yogonet: JPMorgan ends Polymarket banking ties but keeps door open to IPO role
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