Marex now accepts USDC as initial margin collateral for derivatives, working with Circle, Coinbase and Prime Trading under the CFTC's December 2025 no-action letter. Learn how tokenised collateral enables near real-time, round-the-clock risk management.
Marex Enables USDC as Initial Margin Collateral for Derivatives
Diversified financial services platform Marex Group plc (Nasdaq: MRX) announced on 2026-07-16 that clients may useUSDCas initial margin (IM) collateral. USDC is a regulated, fully reserved, US dollar-denominated stablecoin issued by Circle, serving as a digital collateral asset within this workflow.（Source: GLOBE NEWSWIRE, official Marex announcement, published: 2026-07-16.）
Launched in partnership with Coinbase, the service is designed to help clients deploy their digital asset portfolios more efficiently while making use of blockchain-native transfer rails. Coinbase provides the underlying infrastructure for custody, on/off-ramps and reporting. In the inaugural transaction, Marex accepted USDC provided by Prime Trading, LLC as initial margin collateral, with Coinbase supplying the custody, settlement and reporting infrastructure and delivering the cash to fund the position.
Regulatory Backdrop: CFTC No-Action Letter Paves the Way
The launch follows the no-action letter on the use of digital assets as collateral issued by the US Commodity Futures Trading Commission (CFTC) in December 2025. The letter permits futures commission merchants (FCM) to accept non-security digital assets, including USDC, Bitcoin and Ethereum, as client margin collateral for CFTC-regulated derivatives under strict conditions, and to include them in certain risk calculations.（Source: CFTC no-action letter, published: 2025-12.）
Coinbase supports Marex's implementation in several ways, specifically:
Qualified custody recognised by the New York State Department of Financial Services (NYDFS), using the same infrastructure that safeguards the assets of most US spot crypto exchange-traded funds (ETF).
1:1 instant fiat-to-USDC conversion, available around the clock and unconstrained by traditional banking hours.
Bespoke reporting infrastructure that meets the requirements of the Chicago Mercantile Exchange (CME) and satisfies clearing-grade standards.
Collateral Management Moves Towards Real Time
According to Marex, the integration of USDC marks a significant step in modernising global derivatives market infrastructure. In today's markets, risk fluctuates as global events unfold, yet collateral still relies on traditional banking rails constrained by operating hours and multi-day settlement. By using USDC as initial margin, clients can manage risk in near real time, moving collateral around the clock at internet speed. As tokenised collateral becomes more widely adopted, its real-time liquidity and transparency help reduce risk across the system.
Stephen Hood, Head of Clearing for the Americas at Marex, commented:
“As regulatory policy becomes clearer, the future direction of USDC and other stablecoins will come into sharper focus, and the speed and convenience of blockchain technology are reshaping the global clearing landscape. For clients actively trading digital assets, using USDC as high-quality segregated collateral will improve capital efficiency and lay the groundwork for a new wave of innovation.”
（Source: official Marex announcement, published: 2026-07-16.）
Views from Stakeholders: Stablecoin Collateral Moves from Concept to Application
Claire Ching, Vice President of Global Capital Markets at Circle, noted that integrating USDC into institutional trading and clearing workflows allows initial margin to move at internet speed, improving the efficiency and programmability of collateral management while meeting the rigorous standards of institutional markets. Liz Martin, Vice President and Head of Derivatives at Coinbase, said that , and anticipates that the model will expand to more clearing houses and margin workflows as markets shift towards an always-on collateral model.
Joe Balcaser, Chief Administrative Officer of Prime Trading, LLC, and Ram Vittal, Chief Executive Officer of Marex Americas, also commented respectively on the significance of blockchain-based collateral solutions for capital efficiency and market access.（Source: official Marex announcement, published: 2026-07-16.）
Participants and Key Elements at a Glance
| Participant / Item | Role / Content | Key Details | Date |
|---|---|---|---|
| Marex (MRX) | Clearing and implementing entity | Accepts USDC as initial margin collateral | 2026-07-16 |
| Circle (CRCL) | USDC issuer | Regulated, fully reserved US dollar stablecoin | 2026-07-16 |
| Coinbase (COIN) | Infrastructure provider | NYDFS qualified custody, 1:1 fiat conversion, reporting | 2026-07-16 |
| Prime Trading, LLC | Executor of the inaugural transaction | Provided USDC as instant-settlement collateral | 2026-07-16 |
Marex's Position in Crypto Derivatives Clearing
Marex is a clearing participant in digital asset innovation and regulated cryptocurrency markets. In addition to clearing exchange-traded crypto derivatives for exchanges such as the CME, the Chicago Board Options Exchange (Cboe), the Singapore Exchange (SGX), Coinbase Derivatives Exchange and Bitnomial, it recently took part in the first-day clearing of SGX crypto perpetual futures and cleared the CME's first Bitcoin Friday futures block trade and first Bitcoin Friday futures options trade. Marex has more than 3,400 active clients, over 50 offices worldwide and access to more than 60 exchanges.（Source: Marex Group company profile.）
Questions Relating to Marex USDC Collateral
When did Marex begin allowing clients to use USDC as initial margin collateral?
Marex formally announced on 2026-07-16 that clients may use USDC as initial margin (IM) collateral, a service launched in partnership with Circle, Coinbase and Prime Trading, LLC.
What is the regulatory basis for this service?
It is based on the no-action letter issued by the US Commodity Futures Trading Commission (CFTC) in December 2025. The letter permits futures commission merchants (FCM) to accept non-security digital assets such as USDC, Bitcoin and Ethereum as client margin collateral for CFTC-regulated derivatives under strict conditions.
What roles does Coinbase play in this workflow?
Coinbase provides the underlying institutional infrastructure, including qualified custody recognised by the New York State Department of Financial Services (NYDFS), 1:1 instant fiat-to-USDC conversion, and a bespoke reporting system that meets the requirements of the Chicago Mercantile Exchange (CME).
How does using USDC as collateral differ from traditional methods?
Traditional collateral relies on banking rails constrained by operating hours and multi-day settlement, whereas USDC can be transferred around the clock in near real time, helping clients respond to market events outside traditional banking hours and improving collateral liquidity and transparency.
Which party executed Marex's first USDC collateral transaction?
The inaugural transaction was executed by Prime Trading, LLC, whose USDC Marex accepted as initial margin collateral, with Coinbase providing the custody, settlement and reporting infrastructure and delivering the cash to fund the position.
