Polymarket Unveils Stablecoin and Order Book Overhaul in Exchange Upgrade

• Polymarket said it is rolling out a full exchange upgrade over the next two to three weeks.
• The overhaul includes a rebuilt trading engine, upgraded smart contracts and a new collateral token called Polymarket USD.

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Polymarket is rebuilding a large part of its exchange infrastructure, pairing a stablecoin launch with a deeper overhaul of how trading works on the platform. The company is calling it its biggest change to date.

In a post on X, the prediction market operator said the rollout will take place over the next few weeks and include a rebuilt trading engine, upgraded smart contracts and a new collateral token, Polymarket USD. The stated goal is fairly plain. Make trading smoother, improve the order book and reduce some of the friction users have complained about.

A deeper rebuild behind the interface

What Polymarket is describing is not a light refresh. The upgrade appears to reach into the platform’s technical core, including new contracts and a redesigned order book structure. One public summary of the rollout referred to it as CTF and CLOB v2, which suggests the company is reworking both market plumbing and execution mechanics rather than just adding a new token on top.

That matters because prediction markets tend to live or die on usability. If spreads are messy, collateral handling feels clunky or orders do not settle cleanly, casual users usually do not stick around for long.

Stablecoin launch signals tighter control of collateral

The introduction of Polymarket USD is, in some ways, the most visible piece of the update. It gives the platform its own native collateral token, replacing a setup that appears to have relied on other stablecoin rails.

There is a practical logic to that. A native collateral asset can make settlement, margining and interface design more coherent across the exchange. It also gives Polymarket more direct control over a core part of the user experience, which is usually where these platforms either become easier to use or remain awkward longer than they should.

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