ECN, STP, Market Maker: Understanding Forex Broker Execution Models
How Does Order Execution Work?
When you click "Buy" or "Sell" on your trading platform, your order needs to be matched with a counterparty. The way your broker handles this determines the execution model.
Market Maker (Dealing Desk)
How It Works
A Market Maker broker acts as the counterparty to your trades. When you buy, they sell to you. When you sell, they buy from you.
Key Characteristics
| Feature | Detail |
|---|---|
| Counterparty | Broker itself |
| Spread | Fixed or slightly wider |
| Slippage | Can be controlled by broker |
| Requotes | More common |
| Speed | Usually fast |
| Conflict of Interest | β οΈ Yes β broker profits when you lose |
Pros & Cons
β Pros:
- Fixed spreads β easy to calculate costs
- Guaranteed fills β no rejection
- Fast execution in normal conditions
- Lower deposit requirements
β Cons:
- Potential conflict of interest
- Price manipulation possible (dishonest brokers)
- Requotes during volatile markets
- Strategy restrictions (some ban scalping)
STP (Straight Through Processing)
How It Works
An STP broker sends your order directly to their liquidity providers (banks, other brokers) without dealing desk intervention.
Key Characteristics
| Feature | Detail |
|---|---|
| Counterparty | Liquidity providers |
| Spread | Variable (from LP feed) |
| Slippage | Market-dependent |
| Requotes | Rare |
| Conflict of Interest | Minimal |
Pros & Cons
β Pros:
- No dealing desk = less conflict of interest
- Competitive variable spreads
- Orders go directly to market
- All strategies welcome
β Cons:
- Spreads widen during news/low liquidity
- Execution may be slightly slower
- Slippage possible during volatile markets
ECN (Electronic Communication Network)
How It Works
An ECN broker connects you to a network of liquidity providers, banks, and other traders. Your orders are matched with the best available price in the network.
Key Characteristics
| Feature | Detail |
|---|---|
| Counterparty | Network (banks, funds, traders) |
| Spread | Raw/interbank (often 0.0) |
| Commission | Yes ($4-$7/lot) |
| Market Depth | Visible (Level 2 data) |
| Slippage | Both positive and negative |
| Conflict of Interest | None |
Pros & Cons
β Pros:
- Tightest spreads available (0.0 raw)
- True market pricing β no manipulation
- No conflict of interest β broker earns from commission only
- Deep liquidity = best execution
- All strategies allowed (scalping, HFT, hedging)
β Cons:
- Commission per trade (adds cost)
- Spreads can spike during news
- Higher deposit requirements
- More complex for beginners
Comparison Table
| Feature | Market Maker | STP | ECN |
|---|---|---|---|
| Spread | Fixed/wide | Variable | Raw (0.0+) |
| Commission | None | Usually none | Yes |
| Conflict | β οΈ Yes | Minimal | None |
| Execution | Instant | Market | Market |
| Best For | Beginners | Intermediate | Scalpers/Pros |
| Scalping | β Often restricted | β Allowed | β Best |
| Min Deposit | Lower | Medium | Higher |
How to Identify Broker Type
- Check the broker's website β They usually state their execution model
- Look at spread type β Fixed = Market Maker; Raw = ECN/STP
- Check for commissions β Commission per lot usually = ECN
- Read the fine print β Terms & Conditions reveal execution details
Which Model Should You Choose?
| Your Profile | Best Model |
|---|---|
| Complete beginner, small account | Market Maker (simple) |
| Day trader, intermediate | STP |
| Scalper, high-frequency | ECN |
| Swing trader, position trader | STP or ECN |
| Institutional/professional | ECN with FIX API |
Related:
Frequently Asked Questions
What is the main concept of ECN, STP, Market Maker: Understanding Forex Broker Execution Models?
Discover the difference between ECN, STP, and Market Maker brokers. Learn how order execution works behind the scenes and which model suits your trading style.
Who should read this guide?
This guide is perfect for both beginners looking to understand the basics and experienced traders wanting to refine their strategies in Education.