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Trading Basics Market Structure 💧 7 min read

Liquidity Providers

Liquidity providers (LPs) are institutions that supply tradable prices and absorb order flow in the market, helping to ensure that there is always someone to trade with. In practice, they stream continuous bid and ask quotes and stand ready to buy or sell at those prices.

The Hidden Layer of Market Structure

Liquidity providers are a critical link between brokers, trading venues and the underlying market. For many brokers and platforms, an LP is the main source of pricing and execution behind the scenes.

💡 When you place a trade with a broker, there is often a liquidity provider somewhere in the chain, even if you never see their name on your screen.

Who They Are

Who Acts as a Liquidity Provider?

Liquidity providers are usually large, well-capitalised institutions with direct access to markets and advanced technology:

Tier-1 Banks

Major global banks making markets in forex, metals, bonds and other instruments for clients and other institutions.

Non-Bank LPs

Specialist firms (often high-frequency or quantitative) that focus on electronic market making.

Prime Brokers & PoP

Institutions that aggregate liquidity from multiple sources and redistribute it to smaller brokers.

Large Broker-Dealers

Some brokers act as LPs to other brokers or white-label partners, streaming prices and taking on flow.

🔑 In FX and CFDs, you will often hear brokers talk about their "LPs" or "liquidity pools" — this is what they are referring to.

Function

What Do Liquidity Providers Actually Do?

Liquidity providers perform several key functions in market structure:

📡 Streaming Prices

They send continuous bid and ask quotes to brokers, ECNs and venues based on their internal pricing models and hedging.

✅ Filling Orders

They take the other side of trades from brokers and other clients, absorbing order flow.

🔀 Aggregating Markets

Some LPs combine liquidity from multiple venues to offer tighter spreads and deeper market depth.

🛡️ Risk Management

They manage inventories and hedge risk across related instruments, venues and timeframes.

💡 From a broker's perspective, a good liquidity provider is one that offers tight spreads, fast execution and reliable fills across different market conditions.

Market Makers vs LPs

How Are Liquidity Providers Different from Market Makers?

In many cases, liquidity providers are also market makers — they quote prices and stand ready to trade. But the terms highlight slightly different roles:

Market Maker

Focuses on the activity of quoting bid and ask prices and earning the spread on a given venue or instrument.

Liquidity Provider

Focuses on the relationship role — providing pricing and execution to other institutions or brokers.

Key Point: A single firm can be a market maker on an exchange and a liquidity provider to dozens of brokers at the same time. In retail FX/CFD, the term LP often emphasises that the institution is providing liquidity to the broker, not directly to the end client.

Example: Broker Connected to Multiple LPs

Imagine a retail forex broker that connects to five different liquidity providers:

1. Each LP streams its own bid and ask quotes for EUR/USD to the broker.
2. The broker's system aggregates these feeds, picking the best bid and best ask to create a tight composite spread.
3. When a client places an order, the broker can route it to one of the LPs based on price, speed or relationship.
4. The chosen LP takes the other side of the trade (or passes it on into the interbank market), and the client sees a fill on their platform.

Result: To the trader, this looks like "one price" from their broker. In reality, it is supported by a complex network of liquidity providers behind the scenes.

Retail View

What Do Liquidity Providers Mean for Retail Traders?

Liquidity providers influence the trading conditions you experience even if you never deal with them directly:

  • Spreads and pricing: The quality and number of LPs your broker uses affect how tight and stable your spreads are.
  • Execution speed and slippage: Strong, well-connected LPs usually mean faster fills and less slippage in normal conditions.
  • Behaviour around news: During volatile events, some LPs widen spreads or reduce quote sizes, which you see as more risk and cost.
  • Instrument offering: The range of products your broker offers often depends on what their LPs can support.

📊 This is why many brokers highlight their "liquidity partners" in marketing — they are signalling the quality of execution they aim to deliver.

Common Misconceptions About Liquidity Providers

"Liquidity providers are always on the other side of my trade."

Not necessarily. Brokers may internalise flow, net client positions or route only some trades to LPs. LPs also hedge and offset risk in other markets.

"More LPs always means better conditions."

More is not always better. What matters is the quality of LPs, the broker's aggregation and routing logic, and how they manage risk.

"All LPs are banks."

Non-bank liquidity providers have become very important, especially in FX and CFDs, often offering highly competitive pricing and technology.

Quick Checkpoint: Do You Understand Liquidity Providers?

Try answering these questions in your own words:

  • What is a liquidity provider and how does it differ from a market maker?
  • Who typically acts as a liquidity provider in FX and CFD markets?
  • How can the choice of LPs affect your spreads and execution?
  • Why might a broker connect to multiple LPs instead of just one?

Tip: If you can explain these points clearly, you are building a strong understanding of how pricing and execution really work behind your trading platform.

FAQ

Frequently Asked Questions: Liquidity Providers

Can a retail trader choose their own liquidity provider?

Generally no. Retail traders choose a broker, and the broker chooses the liquidity providers. Some professional or institutional clients can connect directly to LPs, but this typically requires large volumes and technical infrastructure.

Is an ECN a liquidity provider?

An ECN (Electronic Communication Network) is usually a venue that matches orders from multiple participants. It is not itself a liquidity provider, but LPs and other traders connect to the ECN and provide liquidity through it.

Why do spreads sometimes spike even with good LPs?

During major news, low-liquidity periods or sudden shocks, risk increases for everyone. LPs may widen spreads, reduce quote sizes or pull quotes briefly to avoid taking on too much risk at uncertain prices, which shows up on your platform as wider spreads or slippage.

How can I tell if my broker has good liquidity?

Consistently tight spreads in normal conditions, reasonable behaviour around news, and transparent communication about execution are positive signs. Extreme, unexplained widening or frequent re-quotes can be red flags.

Summary: The Role of Liquidity Providers in Your Trading

Liquidity providers are institutional players that stream prices and absorb order flow, making it possible for brokers and traders to transact efficiently. They often act as market makers and connect different parts of the market together.

For retail traders, the quality of a broker's liquidity providers has a direct impact on spreads, execution speed, slippage and the range of tradable instruments. Understanding this layer of market structure helps you judge brokers more effectively and set realistic expectations about how your trades are executed.

Next Steps: In the next lessons, you'll explore ECNs, STP brokers and dealing desk brokers, which will show you different ways that brokers connect you to liquidity providers and the wider market.

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