At a glance

  • Circle has launched Circle Match, an hourly auction inside its Circle Mint service that pairs institutions minting USDC with institutions redeeming it, the company said on Thursday. It is open to eligible Mint customers.
  • In a match, the redeemer pays a single clearing fee that cannot exceed Circle’s Express redemption rate, and for now the minter gets all of that fee back as a USDC rebate, according to Circle.

Until now, minting USDC through Circle Mint earned no rebate while fast redemption to US dollars carried a fee, Circle said. One institution could be minting just as another was redeeming without the two flows meeting.

“Circle Match does not price USDC,” the company wrote. “It coordinates the fee that connects the primary market for mint-and-redeem demand.”

How the auction works

Every order is funded before it enters an auction. Redeemers deposit USDC. Minters wire US dollars into a separate Circle Match balance, which converts to USDC when an order settles and can be redeemed back to dollars at no cost, according to Circle.

Minters set the minimum rebate they will accept, and redeemers the maximum fee they will pay. The fee is set in basis points, Circle’s documentation shows.

New orders can join until clearing. In the final minute before an auction clears, the book locks: orders already in can be made more generous but cannot be pulled. Price, not arrival time, decides who fills first, and orders at the clearing fee are split pro rata.

Everyone matched in an auction pays or receives the same fee, and Circle says it keeps no separate spread on matched volume.

Settlement is atomic. Any unmatched amount follows the instruction the customer set in advance: roll into the next auction, fall back to standard Circle Mint processing, or cancel, according to the documentation. Self-match prevention stops one firm from taking both sides.

Who it is for

Circle names market makers, OTC desks and institutional trading firms as the main users, firms that mint and redeem USDC as they move capital. They can match without bilateral onboarding or credit lines, it said. Access is through the Mint interface and API.

Customers need Circle’s approval to take part and availability can differ by country. Circle says what each side pays or earns depends on the orders in that auction and is not guaranteed. The announcement does not state the Express rate or any auction results.

What it changes for users

For institutions, a mint that would have earned nothing can now earn part of another firm’s redemption fee, and a redeemer can pay less than the Express rate if a minter is willing to accept a lower rebate. Retail holders do not use Circle Mint, so nothing changes for anyone holding USDC in a wallet or on an exchange. For the basics, see what a dollar stablecoin is.

Circle’s minting has changed elsewhere this month: on 13 Oct, CryptoWatchDesk reported that Circle stopped new USDC minting on Noble.

This article is for information only and is not investment advice.