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Polymarket said it plans to introduce a new stablecoin as part of an upgrade to its prediction market exchange, with the change scheduled to roll out over the next two to three weeks.
In a post on X dated Monday, April 6, the company’s Polymarket Developers account described the update as “the biggest change to date.” The new collateral token, called Polymarket USD, will be backed 1:1 by USDC.
Polymarket said it will shift to Polymarket USD from USDC.e, which it is currently using.
Polymarket said the transition is designed to be seamless for most users. It stated that the frontend will handle wrapping automatically, with a one-time approval prompt.
For “power users and API-only traders,” the company said they will need to wrap their USDC or USDC.e into Polymarket USD using the Collateral Onramp contract’s wrap() function.
Alongside the new collateral token, Polymarket said the upgrade will include new contracts and a new order book.
During the upgrade, the company said all existing order books will be cleared and that there will be a short maintenance window. Polymarket added that it will announce the exact date and time at least one week in advance.
In separate posts, Polymarket said the upgrade is being made in response to users’ feedback. It also said the infrastructure change is intended to deliver “faster execution, lower gas, & a cleaner foundation going forward.”
Polymarket and stablecoin issuer Circle previously said in February that they were collaborating to support dollar-denominated settlement infrastructure for Polymarket users. At the time, the companies said Polymarket uses USDC.e on Polygon for its trades and would shift to USDC in the coming months.
In a Feb. 5 press release, Circle and Polymarket said: “Native USDC is issued by Circle's regulated affiliates and is redeemable 1:1 for US dollars, providing a more capital efficient, scalable and institutionally aligned settlement standard as Polymarket's platform continues to grow.”
Polymarket was reported on March 7 to be in discussions with investors about raising funds and targeting a valuation of $20 billion. The company was valued at half that figure in late 2025.
In October, Polymarket secured a $2 billion investment from Intercontinental Exchange (ICE), the owner and operator of the New York Stock Exchange (NYSE).

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