Costs, Spreads & FeesFloating Spread
Variable Spread
A spread that changes continuously with market liquidity and volatility rather than being held constant.
What Variable Spread means
A variable spread moves tick by tick, reflecting the best prices currently available from the broker's liquidity providers. In quiet, deep conditions it compresses; when providers pull quotes or widen their own pricing it expands, sometimes dramatically. Nearly all brokers routing orders to an external pool quote variable spreads, because they cannot commit to a fixed price on liquidity they do not control. Advertised figures are typically averages or medians over a period, not a cap.
The predictable pattern of variation is worth learning. Spreads are tightest during the London and New York overlap, wider through the late New York and early Asian hours, wider again in the minute or two either side of major scheduled releases, and at their widest at the Sunday reopen and around the daily rollover as providers refresh their books. A strategy that trades exclusively in thin hours can pay several times the headline spread without ever seeing anything unusual.
Compared with a fixed spread, variable pricing is usually cheaper on average and less predictable at the margin. It also interacts with orders: stops and take profits are triggered by the relevant side of the quote, so a widening episode can trigger a stop that the mid-price never reached. Traders who need certainty of cost per trade sometimes prefer fixed spreads even at a higher average, but the majority of active traders accept variability for the lower typical cost.
Worked example
EUR/USD may show 0.6 pips during the London and New York overlap, 1.8 pips at 03:00 New York time, and 15 pips or more in the seconds after a non-farm payrolls release, all on the same account.
Related terms
- Fixed SpreadA spread the broker holds constant under normal conditions regardless of underlying market liquidity.
- SpreadThe difference between the bid and the ask price, and the most common way a forex broker is paid.
- Spread WideningA temporary expansion of the bid-ask spread caused by reduced liquidity or elevated volatility.
- LiquidityThe ease with which an instrument can be traded in size without materially moving its price.
- VolatilityThe magnitude of price fluctuation over a period, usually measured as the standard deviation of returns or as an average range.
Frequently asked questions
What does Variable Spread mean in forex trading?
A spread that changes continuously with market liquidity and volatility rather than being held constant.
How does Variable Spread work in practice?
The predictable pattern of variation is worth learning. Spreads are tightest during the London and New York overlap, wider through the late New York and early Asian hours, wider again in the minute or two either side of major scheduled releases, and at their widest at the Sunday reopen and around the daily rollover as providers refresh their books. A strategy that trades exclusively in thin hours can pay several times the headline spread without ever seeing anything unusual.
What is an example of Variable Spread?
EUR/USD may show 0.6 pips during the London and New York overlap, 1.8 pips at 03:00 New York time, and 15 pips or more in the seconds after a non-farm payrolls release, all on the same account.
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