Prime Brokerage

Prime brokerage is a bundled set of services, including financing, trade execution, custody, settlement, and clearing, that a single institution provides to active trading clients such as hedge funds.

How it works

A prime broker sits between a trading client and the wider market. The client routes trades through the prime broker, which handles execution, settlement, and clearing across multiple venues and counterparties. The prime broker also holds the client's assets in custody and extends credit, allowing the client to borrow cash or securities to take leveraged or short positions. Collateral posted by the client secures this lending, and the prime broker monitors exposure and issues margin calls when positions move against the client.

In traditional finance, a prime broker is typically a large bank serving hedge funds and other institutional traders. In onchain markets, the same functions are assembled from different parts: custody may sit with a qualified custodian, financing may come from lending protocols or dedicated desks, and execution spans centralized exchanges and decentralized venues. A crypto prime broker aggregates these into a single relationship, often with unified margin across spot, derivatives, and staking positions.

Why it matters

For an institutional reader, prime brokerage reduces the operational burden of trading at scale. Instead of maintaining separate accounts, credit lines, and custody arrangements with each venue, a client consolidates financing, netting, and reporting under one counterparty. This improves capital efficiency through cross-margining and simplifies reconciliation. It also concentrates counterparty risk, since the client's assets and credit depend on the solvency and risk controls of a single provider, a concern made sharper by venue failures in digital asset markets. For a fuller treatment, see Prime Brokerage for Digital Assets Explained.

Related terms

• Custody
• Margin financing
• Clearing and settlement
• Cross-margining
• Counterparty risk

Frequently asked questions

Who uses prime brokerage services?

Active institutional traders use prime brokerage, including hedge funds, asset managers, and proprietary trading firms. In digital asset markets, clients also include crypto-native funds and trading desks that need financing and custody across multiple venues.

How does crypto prime brokerage differ from the traditional model?

Traditional prime brokers are usually banks offering an integrated service. Crypto prime brokers assemble custody, financing, and execution from distributed sources, spanning centralized and decentralized venues, often with unified margin across spot, derivatives, and staking.

What is the main risk of using a prime broker?

Concentration of counterparty risk. The client's assets, credit, and settlement depend on one provider's solvency and risk controls. A prime broker failure can freeze access to assets and open positions.

Allium provides onchain data infrastructure. Companies named in this article may be Allium customers, prospects or commercial counterparties. The authors and other Allium personnel may hold positions in the assets discussed. This article is informational only and is not investment, legal or tax advice. Data and information last reviewed: October 19, 2026.