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Every time you open a forex trade, you pay a cost before the market has moved a single pip in your direction. That cost is the spread — and understanding it is essential for calculating your true break-even point on every trade, evaluating broker quality accurately and building a trading strategy that accounts for all real expenses.
What is spread in forex? Spread is the difference between the Bid price (what you can sell at) and the Ask price (what you can buy at) for any currency pair. It is the primary cost you pay your broker every time you open a trade. For example, if EUR/USD shows Bid 1.08000 and Ask 1.08010, the spread is 0.00010 — or 1 pip. Every trade you open begins instantly at a loss equal to the spread, before price has moved at all.
Table of Contents
What Is Spread in Forex?
Fixed Spread vs Variable Spread
How to Calculate the Real Cost of Spread
How Spread Affects Different Trading Styles
How to Choose a Low Spread Broker
When Does Spread Widen? What to Watch For
Summary
CTA
FAQ
References
What Is Spread in Forex?
When you look at a forex price quote, you always see two numbers — not one.
The Bid is the price the market will buy from you — the price at which you sell. The Ask is the price the market will sell to you — the price at which you buy.
The gap between Bid and Ask is the spread. This is how most forex brokers generate revenue — instead of (or in addition to) charging a separate commission, they build their fee into the price itself.
Example: EUR/USD shows Bid 1.08000 and Ask 1.08010. The spread is 0.00010, or 1 pip.
When you open a buy trade at Ask 1.08010, the immediate market value of that position is the Bid price — 1.08000. You are already 1 pip in the negative the moment the trade opens. Price must move at least 1 pip in your favor before you begin generating real profit.
Fixed Spread vs Variable Spread
Fixed Spread Remains constant regardless of market conditions. A broker offering EUR/USD at a fixed 2-pip spread will maintain that level during quiet Asian sessions and volatile NFP releases alike. The benefit is predictable cost. The drawback is that fixed spreads are typically wider than variable spreads during normal market hours, making them less efficient for active traders over time.
Some fixed-spread brokers also use re-quoting — where your order is rejected during fast-moving markets and re-offered at a different price — which introduces execution slippage risk.
Variable Spread (Floating Spread) Changes based on market liquidity. During the London-New York overlap, EUR/USD variable spreads at quality ECN brokers can be as tight as 0.1 to 0.3 pips. During major news releases or the Sydney session open, the same broker's spread may widen to 5 to 15 pips or more.
Most active traders use variable spread brokers because average costs over time are lower, provided they avoid trading during high-spread periods.
How to Calculate the Real Cost of Spread
Formula: Spread Cost = Spread (pips) x Pip Value x Lot Size
Example 1: Scalper trading EUR/USD 20 times per day
Spread: 0.5 pip Lot size: 0.10 (Mini Lot) — pip value = $1.00 Cost per trade: 0.5 x $1.00 = $0.50 Daily cost (20 trades): $0.50 x 20 = $10.00 Monthly cost (20 trading days): $10.00 x 20 = $200.00
This scalper must generate more than $200 per month from spread costs alone before a single dollar of net profit appears. The lower the spread, the lower this threshold.
Example 2: Day Trader opening 3 trades per day
Spread: 1.0 pip Lot size: 0.10 — pip value = $1.00 Cost per trade: $1.00 Daily cost (3 trades): $3.00 Monthly cost: $3.00 x 20 = $60.00
The same spread level costs the Day Trader $60 vs the Scalper's $200 — purely because of trade frequency. This illustrates why spread matters far more for high-frequency strategies.
How Spread Affects Different Trading Styles
For Scalpers targeting 3 to 10 pips per trade, a 1-pip spread represents 10% to 33% of the profit target. Scalping with a 1-pip spread and a 5-pip target means 20% of potential profit is consumed before price has moved. ECN brokers with spreads of 0.1 to 0.5 pips on major pairs are close to mandatory for this strategy.
For Day Traders targeting 30 to 80 pips, a 1-pip spread is 1% to 3% of the target. Still meaningful over hundreds of trades, but far less critical than for scalpers. Spread should be factored into targets but is not the dominant performance variable.
For Swing Traders and Position Traders targeting 100 to 500 pips, spread is largely irrelevant to overall performance. A 1-pip spread on a 300-pip trade represents 0.3% friction. Broker choice for these styles should prioritize reliability, regulation and overnight swap rates — not raw spread competitiveness.
How to Choose a Low Spread Broker — Five Criteria That Matter
Criterion 1: Compare Average Spread, not advertised minimum "Spreads from 0.0 pips" is a marketing claim based on the lowest possible spread during optimal conditions. Request or research the average spread for your target pairs during the specific session you intend to trade. This is the number that reflects your real cost.
Criterion 2: Calculate Total Cost — Spread plus Commission together An ECN broker offering 0.0-pip spread with a $7 commission per standard lot per side has a total cost equivalent to approximately 1.4 pips on EUR/USD. A broker with a 1.2-pip spread and no commission may actually be cheaper for some trading frequencies. Always compare total round-trip cost.
Criterion 3: Test spread behavior during news events How wide does the spread get during NFP or central bank announcements? Quality brokers maintain relatively stable spreads even during volatility. Brokers that widen to 20 to 50 pips during news create significant execution risk for active traders.
Criterion 4: Match account type to trading frequency ECN/Raw Spread accounts offer the tightest spreads with a commission — best for scalpers and active day traders. Standard accounts have wider spreads but no commission — better for lower-frequency traders where commission per trade would dominate costs.
Criterion 5: Verify with live data before depositing Open a Demo Account and observe actual spread behavior during the session times you plan to trade. Screenshots of spreads from the broker's marketing page are not sufficient verification.
When Does Spread Widen? Key Situations to Avoid
Major economic news releases: The 5-minute window around NFP, Federal Reserve interest rate decisions and ECB announcements routinely sees spreads expand 5 to 20 times their normal level. Avoid opening or closing positions during these windows unless your strategy is specifically designed around news trading.
Monday market open: Liquidity builds gradually as Sydney and then Tokyo come online. Spreads are typically wider in the first 30 to 60 minutes of the trading week.
Public holidays in major financial centers: US Thanksgiving, Christmas Eve and similar dates reduce active market participants dramatically. Spreads widen and price action becomes erratic.
Early Sydney session on non-AUD pairs: The least liquid period of the trading week for EUR, GBP and USD pairs. Spreads can be 3 to 5 times the London session average.
Related Articles
Resources
Myfxbook Broker Spread Comparison — live spread tracking across major brokers
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Frequently Asked Questions (FAQs)
Is a 0-pip spread possible?
Some ECN brokers offer raw spreads that can reach 0 pips during peak liquidity, but they charge a commission per trade. Total cost including commission is rarely lower than 0.5 to 1 pip equivalent. Always evaluate spread plus commission together.
What is a good EUR/USD spread?
For quality ECN brokers, an average EUR/USD spread of 0.1 to 0.8 pips during London or New York session hours is competitive. Consistently above 1.5 pips during normal market hours suggests the broker's conditions are not optimal for active trading.
Does spread affect Stop Loss placement?
Yes. For short (sell) orders, the stop loss is triggered based on the Ask price, not the Bid. During high-spread periods — such as around news releases — the wider Ask price can trigger stop losses earlier than the chart suggests. This is a significant risk for traders who hold positions through major economic events.
What is the difference between spread and commission?
Spread is built into the price itself — the gap between Bid and Ask. Commission is a separate fee charged per trade or per lot. ECN brokers typically offer tight spreads with an explicit commission. Standard account brokers charge wider spreads with no separate commission. Neither is universally better — it depends on your trade frequency and lot sizes.
References
Investopedia. (2026). Bid-Ask Spread Definition. https://www.investopedia.com/terms/b/bid-askspread.asp
Myfxbook. (2026). Forex Broker Spread Comparison. https://www.myfxbook.com/forex-broker-spreads
BabyPips. (2026). What Is a Spread in Forex?. https://www.babypips.com/learn/forex/pips-and-pipettes
