ECN, STP, and Market Maker Models
"Learn the differences between ECN, STP, and Market Maker models in forex trading to choose the best broker for your strategy."
Wikilix Team
Educational Content Team
13 min
Reading time
Beginner
Difficulty
Have you ever pressed "buy" or "sell" in Forex and then thought, "Now what"? What I mean is, have you ever wanted to peek behind the shit with your trade? You can see the various possible paths of your trade, some transparent and fair, others murky with hidden degrees of difficulty.
People will throw terms around like ECN, STP, or Market Maker, but this choice is not just jargon- it will determine your experience with trading. This article aims to simplify the process and explain how each model operates, its importance, and how to determine which model aligns with your strategy. Keep reading, and by the end of this article, you will have a clear vision of where your next trade is going and why it matters.
An ECN or Electronic Communication Network broker model is based on the concept that the broker is a neutral entity that connects buyers and sellers in a transparent marketplace. ECN brokers are not custodians of your trade. They, in effect, capture real-time quotes from liquidity providers, and your order is electronically matched directly to other participants in the foreign exchange market.
• Execution – Orders are filled at the best price available by other actual market participants.
• Pricing – You can expect very tight spreads, but you may pay a small commission
• Transparency – You see the actual marketplace and pay what is available.
In the ECN model, you have sidelined the broker and are in a tournament-style environment. If you care about fairness and price accuracy, it's a no-brainer.
Straight Through Processing (STP) brokers take a different route; they are more relaxed and focus on ease of use. The STP broker model does not act as the counterparty to your trade; instead, they process your order to an external liquidity source, banks, aggregators, or other networks of brokers, without a broker in the middle to manipulate the pricing.
• Execution – The trades go directly to a provider, so timing/delay is minimized by blending the speed of filling the order with the number of steps it takes to trade your order.
• Costs – STP brokers generally use variable spreads so that you may be paying higher or lower pricing based on individual volatility, but there is usually no fixed markup.
• Flexibility – an STP model can provide a respectable middle ground between ECN model price clarity and the convenience of a Market Maker model.
STP is popular with people who want to bypass the full transparency/mental weight of a real ECN model, but still go direct to market pricing.
The market maker model is intentionally different; instead of you as the counterparty, your selected broker becomes the counterparty to your trade, whether it's a buy or sell order, when the counterparty of your buy order is the sell order of your selected broker. Simple? Yes. Transparent? Not always. Look closely at the characteristics of execution, costs, and conflicts of interest related to this model below.
• Execution – The trades are internal so that they can be fulfilled rapidly, but the quality of that execution is often about the trust the trader puts in their broker.
• Costs – The spread can be tight and potentially fixed, which can be suitable for new traders.
• Conflict of Interest – Your broker can be financially incentivized if you incur a loss, so once again, trust or regulation becomes quite essential.
Market makers can offer a very low visible cost and simple trades, but they rely on the degree of regulatory scrutiny to remain adequate.
Here is a short recap of how the three compare:
Broker Model | How It Works | Typical Pricing | Ideal For | Considerations |
ECN | Matches you directly with market | Low spreads + commission | Traders seeking full transparency | Requires understanding commission structure |
STP | Routes orders to external feeds | Variable spreads, no markup | Those wanting straightforward execution | Pricing can shift with liquidity |
Market Maker | Broker is trade counterparty | Fixed or tight spreads | Beginners seeking simplicity | Must trust fair execution |
Understanding the mechanics of your broker's model is not just an academic exercise; it will affect everything you do.
• Your Exposure: With a Market Maker, there is a theoretical conflict of interest. In ECN/STP, your risk would be the broader market
• Your Cost: Are you paying a spread, a commission, or both? It's essential to know how your broker operates to prevent surprises
• Your Execution: Market Orders, slippage, fill speed, and execution depend on the model used by your broker.
• Your Trading Style: Day traders, scalpers, swing traders, all thrive on different models.
When you follow your trading behavior with the right broker model, you are not just trading; you are enhancing your experience.
These are the critical steps to ensure you end up with the model that best helps your trading:
Conduct a "request for information" regarding the brokers' ECN, STP, and/or Market Maker models, and how they define each.
Review spreads and commissions side by side to ensure transparency. ECN usually charges commissions, Market Makers may charge a "spread only" price, but may include markups.
A demo or small live deposit can help show you spreads, slippage, and execution specifics.
A regulated Market Maker is exponentially safer than an unregulated STP broker. Always ask what licensing your broker has - for example, FCA, ASIC, etc.
Scalpers may prefer ECN because they need precision, and swing traders may feel comfortable with the fixed spreads of a Market Maker.
• If you are dealing as a scalper in dozens of quick trades, then ECN should give you low latency and fast curves in pricing compared to STP brokers.
• Are you simply a casual retail trader looking for big picture moves? Maybe an STP broker, direct market pricing, and ease of simplicity in costs will be appropriate
• Are you a brand-new trader looking to explore the market for the first time? An unregulated Market Maker can offer the presumed ease of use, ease of deposits, usability, and simple fee structure.
Each has advantages and opportunities to exist.
Determining between ECN, STP, and Market Maker is not only about the buzz-words, but about the quality of the resulting trades, clarity in pricing, and best alignment to what motivates your trading interests as they align with what your broker has to offer.
ECN is clear, STP is about speed and fairness, and Market Makers can be convenient at times, but this comes at the expense of hidden negative risks that can be placed on you.
The best option for you is a broker model that aligns with your trading style, rather than limiting your growth. It pays to ask, experiment, and understand the broker's circumstances and particulars regarding their model.
This is more than empowering knowledge and know-how; it facilitates peace of mind for you as a trader. Decide wisely, trade with confidence, and see your strategies flourish.
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