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If you've spent any time on a trading platform, you've seen two prices next to every currency pair — a bid and an ask. That small difference between the two is called the spread, and it's one of the most consequential yet under-discussed concepts in forex trading. New traders often focus entirely on market direction: will EUR/USD go up or down? They build strategies, study charts, and refine their entries. But they overlook the fact that every single trade they open begins at a deficit equal to the spread. Before price moves one pip in their favour, the market must first cover that gap. For a casual trader placing a few trades per week, this might seem negligible. But as trade frequency rises — especially for day traders and scalpers — spread costs accumulate into one of the largest line items in their trading expenses. Across hundreds of trades per month, even a 0.5-pip difference in average spread between two brokers can translate into thousands of dollars annually. This guide breaks down the spread in plain language: what it is, how it's calculated, the difference between fixed and variable spreads, and — most importantly — how you can structure your trading to minimise its drag on your profits.
1. What Is a Forex Spread?
The forex spread is the difference between the bid price (the price a buyer will pay) and the ask price (the price a seller will accept) for a currency pair. Measured in pips, it represents the broker's primary revenue on your trades — no separate invoice, no commission line. It's built directly into every price you see.
Formula: Spread = Ask Price − Bid Price
💡 Quick Example EUR/USD shows Bid: 1.08497 | Ask: 1.08500. The spread is 0.3 pips. Your trade opens valued at the bid price, so the market must move 0.3 pips in your favour before you break even. On a standard lot ($10/pip), that's a $3 entry cost per trade. |
2. Fixed vs. Variable Spreads
Not all spreads behave the same. Understanding the two main types helps you choose the right broker and strategy:
Feature | Fixed Spread | Variable Spread |
Cost during normal hours | Higher baseline | Typically lower |
During news events | Remains stable | Can widen sharply |
Cost predictability | Easy to estimate | Harder to predict |
Best suited for | Beginners, news traders | Scalpers, HFT |
Which is better? Most professional traders prefer variable (ECN) spreads during peak liquidity hours — London/New York overlap — where spreads on EUR/USD can drop to 0.0–0.1 pips. Fixed spreads suit beginners and traders who enter around major news events.
3. How Spread Impacts Your Profits by Strategy
The spread's burden scales directly with how often you trade and how small your targets are:
• Scalping (5-pip targets): A 1.5-pip spread consumes 30% of potential profit before price moves.
• Day Trading (20–50 pip targets): A 1-pip spread is a 2–5% cost — meaningful across 5+ daily trades.
• Swing Trading (100+ pip targets): A 1–2 pip spread is a minor 1–2% cost per trade.
⚠️ The Compounding Effect A trader averaging 20 trades/week who pays just 1 extra pip per trade versus a tighter-spread broker loses approximately $10,400/year on a single standard lot. Spread is not a small detail — it is a structural drag on returns. |
For a deeper look at how position sizing and leverage interact with these costs, see: How Does Leverage Work in Forex?
4. Key Factors That Drive Spread Size
1. Liquidity — Major pairs (EUR/USD, USD/JPY) have the tightest spreads. Exotic pairs can have spreads 20–100× wider.
2. Time of Day — Peak spreads during London–New York overlap (1 PM–5 PM GMT). Widest on Sunday open and Asian off-hours.
3. Market Volatility — NFP, CPI, and central bank events cause spreads to spike 5–10× for seconds around release.
4. Broker Model — ECN brokers pass raw interbank pricing; dealing-desk brokers add a markup. ECN is usually cheaper for active traders.
Pair selection also determines your typical spread environment — read: Best Forex Pairs to Trade in 2026 to choose pairs with optimal spread-to-opportunity ratios.
5. Five Practical Tips to Minimise Spread Costs
5. Trade the London–New York overlap for maximum liquidity and the tightest spreads on major pairs.
6. Stick to major pairs — EUR/USD, GBP/USD, USD/JPY — rather than exotic or minor pairs with wide spreads.
7. Avoid entering trades in the 2–3 minutes before and after major economic releases.
8. Choose an ECN/STP broker with raw spreads + commission rather than a dealing-desk broker with 'zero commission'.
9. Always calculate your true entry cost: (Spread in pips × pip value) + commission. It should be a small fraction of your trade target.
If you're exploring managed trading options to reduce direct spread exposure, see: Copy Trading in Forex for Beginners and Copy Trading Risks Explained.
6. Choosing a Low-Spread Broker
Your broker choice defines your baseline spread cost for every trade. Key criteria to evaluate:
• EUR/USD average spread below 1.0 pip (ideally 0.0–0.3 pip on ECN accounts)
• ECN or STP execution model for true market pricing
• Full spread transparency — displayed in real time, no hidden markups
• Multiple account tiers to match your trading volume
• Stable execution during volatility with a clear spread-widening policy
Olympus Capital offers competitive spreads across major forex pairs with ECN-style execution and transparent pricing. Explore account options at olympuscapitalfx.com/forex-accounts or visit the Olympus Capital homepage to get started.
Final Thoughts
The spread is the market's entry toll on every trade you place. It doesn't appear on a separate invoice — it's invisible until you know where to look. But once you understand its mechanics, you can choose the right pairs, the right trading hours, and the right broker to make it work with your strategy rather than against it.
Tight spreads compound into meaningful savings over hundreds of trades. Loose spreads erode even the best edge. Choose wisely.
Continue your education at the Olympus Capital Insights Blog — updated regularly with strategy guides, market analysis, and beginner tutorials.
