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Infrastructure

What Is an ECN in Forex?

Electronic Communication Networks (ECNs) are automated systems that match buy and sell orders for currencies. They connect major liquidity providers -- banks, hedge funds, and other institutional participants -- in a transparent electronic marketplace.

How ECNs Work

ECNs operate a Central Limit Order Book (CLOB) where participants post bids and offers. When a buy order matches a sell order at the same price, a trade is executed automatically. This eliminates the need for a dealing desk and provides direct market access. The two primary interbank ECNs are EBS (for EUR/USD, USD/JPY) and Refinitiv FX Matching (for GBP/USD, AUD/USD). Secondary ECNs like Currenex, Hotspot, and LMAX Exchange serve the broader institutional market.

Benefits of ECN Trading

ECNs provide tighter spreads through competition among liquidity providers, transparent price discovery through a visible order book, anonymous execution that protects trading strategies, and reduced conflict of interest since the venue doesn't trade against clients. For institutional participants, ECN access is typically gained through a prime brokerage relationship.

ECN vs. Dealing Desk

In a dealing desk (DD) model, the broker acts as counterparty to client trades. In an ECN/NDD model, client orders are routed directly to the liquidity pool. This distinction is critical for institutional traders who require execution transparency and want to avoid potential conflicts of interest.