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Forex Basics · Forex Brokers

What Is a Forex Broker?

A forex broker is your gateway to the global currency market. This guide explains the role brokers play, how they make money, what trading really costs, and how to tell a regulated broker from a risky one.

What does a forex broker do?

The foreign exchange market is an over-the-counter (OTC) market. Banks, funds, corporations and liquidity providers trade currencies with each other around the clock, in very large sizes. An individual cannot simply walk up to a bank's trading desk and buy a few thousand euros against the US dollar.

This is where the forex broker comes in. A broker is a company that gives retail traders a trading account, a trading platform and a live price feed, accepts their orders, and connects them to the wider market. In practice it works like a supermarket: it sources prices wholesale from banks and liquidity providers, and offers them to individual customers in small, convenient portions, for a fee.

Because the broker sits between you and the market, it influences almost everything about your trading: the prices you see, how quickly orders are filled, how much you pay in costs, and how safe your money is. Understanding the broker's role is the first step to choosing one wisely.

Six roles a forex broker plays in the market

Whatever its size, a broker performs the following functions for its clients.

01

Market access

Brokers connect to banks, ECNs and other liquidity providers and pass their prices on to retail clients, so small accounts can participate in a market built for institutions.

02

Leverage and margin

A small deposit (margin) can control a much larger position. The broker sets the leverage, monitors margin levels and closes positions automatically (stop-out) when an account runs short.

03

Pricing and execution

The broker streams bid and ask prices, adds its spread or commission, and executes your orders. Execution speed, slippage and requotes all depend on its technology and liquidity.

04

Custody and settlement

Brokers hold client deposits, process deposits and withdrawals, credit profits and losses, and charge or pay overnight swap on positions held past the daily rollover.

05

Platforms and tools

Brokers license or build the software you trade on, such as MetaTrader 4, MetaTrader 5 or cTrader, along with charts, indicators, automated strategies (EAs), APIs and mobile apps.

06

Support and education

Reputable brokers provide customer support, demo accounts, market research and clear risk disclosures, and are required by their regulator to treat clients fairly.

How your order travels through a broker

  1. 1

    You place an order

    On the broker's platform you choose a currency pair, a size and, optionally, a stop loss and take profit.

  2. 2

    The broker checks it

    The broker's server verifies that your account has enough free margin and that the order meets its risk rules.

  3. 3

    Routing

    Depending on its business model, the broker either passes the order to a liquidity provider (agency model) or takes the other side itself (dealing desk model). Many brokers do a mix of both.

  4. 4

    Confirmation

    The position appears in your account at the executed price. From then on your profit or loss moves with the market.

  5. 5

    Closing and settlement

    When you close the position, the result, minus any commission and swap, is credited or debited to your account balance.

Two business models: agency vs. dealing desk

Brokers make money in two main ways. Most real brokers combine both, so what matters is how the conflict of interest is managed, not the label.

Agency model (STP / ECN, “A-book”)

Your order is passed to liquidity providers such as banks and ECNs. The broker earns a mark-up on the spread or a fixed commission per lot. Its interests are aligned with yours: the more you trade, the more it earns, whether you win or lose.

Dealing desk model (market maker, “B-book”)

The broker takes the opposite side of your trade and quotes its own prices. It earns the spread and, in aggregate, can profit when clients lose. This model is legal and common in regulated markets, but it creates a conflict of interest, which is why regulation and transparency matter.

Neither model is automatically good or bad. Well-regulated brokers disclose how they execute orders and are audited on it. The warning signs are unexplained price spikes, frequent requotes, manipulated quotes and withdrawals that are delayed or refused.

The real cost of trading with a broker

Very few brokers work for free. “Zero commission” usually means the cost is built into the spread. These are the costs to compare:

Spread
The difference between the buy (ask) and sell (bid) price. It is paid every time you open a position. Spreads widen around major news releases and at the daily rollover, so avoid trading at those moments if you can.
Commission
A fixed fee per lot, common on raw-spread or ECN accounts. Add it to the spread to find your true cost per trade.
Swap (overnight interest)
A holding fee, or sometimes a credit, for positions kept open past the daily rollover, based on the interest-rate difference between the two currencies. It matters most when you hold trades for days or weeks.
Deposit and withdrawal fees
Some payment methods carry fees or currency-conversion charges. Be wary of any broker that asks for an additional “tax” or “security deposit” before releasing your withdrawal; this is a classic scam pattern.

What to look for when choosing a broker

With thousands of forex websites online, these four checks filter out most of the risk.

01

Strong regulation

Choose a broker regulated by a recognised authority, such as the FCA (UK), ASIC (Australia) or MAS (Singapore). Licences from small offshore jurisdictions are inexpensive to obtain and offer clients little practical protection.

02

Segregated client funds

A regulated broker must keep client money separate from its own funds, usually in tier-one banks, so it cannot be used for the broker's operations. Check whether an investor compensation scheme applies.

03

Mainstream platforms

Look for MetaTrader 4, MetaTrader 5 or cTrader. Be careful with a broker that makes you download a proprietary app you cannot find in the official app stores: you cannot verify its prices.

04

Realistic leverage and promotions

Retail leverage under FCA, ASIC and ESMA rules is generally capped at 1:30 on major currency pairs. Leverage of 1:500 or more and “deposit $1,000, get $1,000 free” offers are warning signs, not benefits.

View more regulator details (Chinese)

Verify a broker in three steps

  1. 1

    Copy the licence details

    On the broker's official website, find the licence number and the legal entity name, normally shown in the footer or the legal documents page.

  2. 2

    Check the official register

    Open the regulator's own website (not a link supplied by the broker), search for the number and confirm that the company name, website address, licence status and permitted activities all match.

  3. 3

    Start small

    Open a demo account first. When you go live, deposit only a small amount, place a few trades and make a test withdrawal to your own bank account to see how quickly and smoothly it is processed.

Frequently asked questions

Are forex brokers legal?

Yes, in most countries, provided the broker holds the licence required in the jurisdictions where it serves clients. Legality does not remove market risk: even with a licensed broker you can lose money.

Does the broker trade against me?

It depends on the business model. An agency (STP/ECN) broker passes orders to the market. A dealing desk broker may act as the counterparty. Check the broker's execution policy, and prefer brokers regulated by authorities that police conflicts of interest.

What is an introducing broker (IB)?

An introducing broker refers clients to a forex broker and receives part of the broker's revenue. Some IBs share a portion of it with clients as a rebate. The IB does not hold client funds: your account, and your money, remain with the broker.

Can I lose more than I deposit?

Many regulated jurisdictions require brokers to offer negative balance protection to retail clients, so losses cannot exceed the account balance. This is not universal, so confirm it in the broker's terms before you trade.

Is a very high leverage ratio a good thing?

No. High leverage magnifies losses as much as gains and is one of the most common reasons beginners lose their entire deposit. Regulators limit retail leverage for exactly this reason.

Forex and CFDs are leveraged products and carry a high risk of losing money rapidly. This page is educational and is not investment advice. Only trade with money you can afford to lose.

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