ECN vs. STP vs. Market Maker: Understanding Forex Broker Execution Models

If you’ve researched forex brokers at all, you’ve probably seen terms like ECN, STP, NDD, and market maker thrown around. Most people don’t really understand what they mean — they just know “ECN is good and market maker is bad.”

The truth is more nuanced. Let me break down each execution model, how they work, what they cost, and which one is actually right for your type of trading.

First: The Two Main Categories

There are fundamentally two types of forex brokers:

1. Market Makers (Dealing Desk / DD): The broker takes the other side of your trade. When you buy, they sell to you. When you sell, they buy from you. They make money from the spread and from traders who lose money.

2. No Dealing Desk (NDD): The broker doesn’t take the other side of your trade. They route your order to the interbank market — big banks, hedge funds, other traders. They make money from commissions or markups on the spread.

NDD brokers are further divided into:
– STP (Straight Through Processing): Orders are passed directly to liquidity providers. The broker adds a small markup to the spread.
– ECN (Electronic Communication Network): Orders are matched directly with other participants on the network. You pay a commission per trade instead of a spread markup.

Let’s dive into each one.

Market Maker (Dealing Desk)

How it works: When you place a trade with a market maker, the broker is your counterparty. They create a market for you — they quote a buy price and a sell price, and you trade with them directly.

How they make money:
– Spread: The difference between the bid and ask price is their profit per trade.
– Client losses: Since the broker is taking the other side, when you lose money, the broker makes money. This is the controversial part.
– Hedging: Good market makers hedge their net exposure in the interbank market, so they don’t necessarily bet against you directly. But the incentive structure is still there.

Pros:
– Usually lower minimum deposit ($10-$100 to start)
– Fixed spreads (you always know the cost)
– No commissions
– Often more user-friendly platforms and tools
– Bonus offers (though read the fine print)
– Guaranteed stop losses (usually — some charge a premium)

Cons:
– Conflict of interest — broker profits when you lose
– Potential for price manipulation (re-quotes, stop hunting)
– Wider spreads overall compared to ECN
– Slippage can be worse during news events
– Limited transparency about how your order is handled

Best for: Beginners with small accounts, traders who prefer fixed costs, infrequent traders, and anyone who values simplicity over rock-bottom spreads.

The myth: Not all market makers are evil scammers. Many large, regulated brokers are market makers and treat their clients fairly. Regulation prevents the worst abuses. But the conflict of interest is real, and it’s something to be aware of.

STP (Straight Through Processing)

How it works: STP brokers pass your orders directly to their liquidity providers (usually big banks). They don’t take the other side of the trade — they’re just a middleman connecting you to the real market.

How they make money: STP brokers add a small markup to the spread they get from their liquidity providers. If their liquidity provider quotes EURUSD at 0.4 pip spread, the STP broker might show you 0.9 pip spread and pocket the 0.5 pip difference.

Pros:
– No conflict of interest — broker doesn’t profit from your losses
– Better execution than most market makers
– Tighter spreads than typical market maker accounts
– No dealing desk re-quotes (in theory)
– Scaled pricing — bigger accounts get better spreads

Cons:
– Variable spreads (wider during news and low liquidity)
– Spreads still include a markup — you just don’t see it directly
– Minimum deposit is usually higher ($500-$2,000)
– Slippage during news events is normal (orders go to the real market)

Best for: Intermediate traders with moderate account sizes who want better execution than market maker accounts but don’t trade frequently enough to justify ECN commission costs.

ECN (Electronic Communication Network)

How it works: ECN brokers connect you directly to a network of market participants — banks, hedge funds, other traders — where orders are matched electronically. You’re trading with other people on the network, not with the broker.

How they make money: ECN brokers charge a flat commission per lot traded. The spread is typically very tight (sometimes 0.0 pips) because you’re seeing the raw interbank spread. You pay the commission on top.

Pros:
– Tightest possible spreads (often 0.0-0.3 pips on majors)
– Full transparency — you see the raw spread and your commission separately
– No conflict of interest
– Best execution quality — your order goes straight to the market
– Depth of market (you can see available liquidity at different price levels)
– No requotes (price is what it is)

Cons:
– Commission per lot adds cost per trade
– Variable spreads (can widen dramatically during news)
– Higher minimum deposit (usually $1,000-$10,000)
– Platforms can be more complex
– Not all brokers offer true ECN — some claim to be ECN but aren’t

Best for: Active traders (day traders, scalpers), algorithmic traders (EA users), and anyone with a larger account who wants the best possible execution.

Side-by-Side Comparison

Which One Should You Choose?

If you’re a beginner with under $1,000: Start with a market maker or STP account. The slightly higher spreads are worth it for the lower minimum and simpler interface. You can upgrade when your account grows.

If you’re an intermediate trader with $1,000-$10,000: STP is probably the sweet spot. You get better execution than a market maker without the complexity and commission costs of ECN.

If you’re an active trader with $10,000+: ECN starts making sense. If you’re trading multiple lots per day, the commission-based pricing with tighter spreads saves you money compared to spread markup.

If you scalp or use EAs: ECN is basically mandatory. The execution quality and low latency matter much more for high-frequency strategies than for swing trading.

The “Hybrid” Problem (Beware)

Here’s the dirty secret of the forex industry: many brokers advertise as “ECN” or “STP” but actually run a hybrid model. Some of your orders go to the market, and some get internalized (the broker takes the other side, just like a market maker).

This is why regulation matters. Regulated brokers have to disclose their execution model to some extent. Unregulated brokers can claim whatever they want.

How to spot a fake ECN:
– Minimum deposit is too low ($100 ECN accounts are rarely true ECN)
– They advertise “0 spread” but charge a $20 commission per lot (that’s much more expensive than a spread markup)
– No depth of market (DOM) available
– The execution feels slow or you get requotes despite “ECN” label

The Bottom Line

For most retail traders, the execution model matters less than you’d think. The difference between a good STP broker and a good ECN broker in terms of all-in costs is usually small — a fraction of a pip per trade.

What matters much more is whether the broker is regulated, reliable, and has good customer service. You can make money with any execution model if the broker is honest and your strategy is good.

Pick a regulated broker with a platform you like, start with an account type that matches your account size, and don’t overthink the ECN vs. STP vs. market maker debate. Focus on your trading — that’s where the real money is made.

Questions about broker execution types? Hit me up on Telegram @DongyiTrade or email contact@dongyitrade.com.