When you buy a stock, it trades on a central exchange with published prices. Forex mostly doesn't work that way. Understanding where your forex trade actually happens — over-the-counter or on an exchange — explains a lot about your costs, your counterparty risk and why choosing a good broker matters so much.
The two marketplaces
There are two broad ways to trade currencies:
- On a regulated exchange. Some currency products, like currency futures and options, trade on a central exchange (for example, the Chicago Mercantile Exchange). These come with standardised contract sizes, fixed expiration dates and centralised clearing — a clearing corporation acts as counterparty to every trade and guarantees it.
- In the off-exchange (OTC) market. This is where most retail spot forex happens. You trade directly with a counterparty — your broker or dealer — with no exchange and no central clearinghouse. Trading runs through electronic networks between you and that dealer.
Why the difference matters
The distinction isn't academic — it shapes your real-world risk:
- Counterparty risk. On an exchange, a clearinghouse guarantees the trade. In the OTC market, you rely entirely on your dealer to hold your funds and honour the trade. If the dealer fails, you're exposed.
- Pricing transparency. Exchanges publish prices everyone sees. In OTC forex there's no central marketplace, so the price your dealer quotes may not be the best available — and it can be hard to know if it's fair.
- The dealer takes the other side. Retail OTC dealers are often market makers who take the opposite side of your trade, acting for their own account. That's a built-in conflict to be aware of.
Warning
In OTC forex, you're trusting your dealer with both your money and your pricing. That trust is only as good as the dealer's regulation and transparency.
Costs work differently too
Because there's no central exchange, how you're charged varies by dealer. Some charge a per-trade commission; others build their fee into a wider bid-ask spread. A "commission-free" offer doesn't mean free — the cost may simply be hidden in the spread. Always compare several dealers on total cost, not just headline commission.
Risk
OTC forex offers less regulatory protection than exchange-traded products in some respects. Trade only with a properly regulated dealer, and read your agreement so you understand exactly how you'll be charged.
What this means for you
For most beginners trading spot forex, you're in the OTC market — so the quality of your dealer is everything. That means checking regulation, understanding the cost structure, and preferring transparent pricing over flashy "zero commission" claims.
Choose your counterparty carefully
Since your dealer is your marketplace in OTC forex, picking a well-regulated, transparent one is your first line of defence. A properly regulated broker gives you clearer pricing and stronger protections.
Pepperstone
Best for Copy Trading
Trading Forex and CFDs involves a significant risk of loss.
Educational content only, not financial advice. Trading forex carries a high level of risk. Read our full affiliate disclosure.