IC Markets
You had a 0.6-pip spread on EUR/USD, and thirty seconds later it is 6 pips. On a variable-spread account, the broker is passing through the price it receives from its liquidity providers, and those quotes change constantly. A sudden widening has a cause, and it is usually visible on the economic calendar or the clock. This guide covers the causes and how to confirm which one applied.
Variable spreads move with the market
Most retail accounts today use variable, or floating, spreads. The broker aggregates quotes from several liquidity providers and shows you the best available bid and ask, plus its markup or commission. When providers widen their quotes, your spread widens in real time. This is the normal state of a variable-spread account, not a broker decision made against you.
The common triggers
| Trigger | Timing | How wide |
|---|---|---|
| High-impact news release | At the scheduled minute (CPI, FOMC, NFP) | Several to 20+ pips, for seconds to minutes |
| Daily rollover | Around 5pm New York time | Doubles or more briefly, most days |
| Session handover | New York close to Asia open | Persistently wider until Tokyo builds |
| Volatility spike | Geopolitical headline, flash move | Sudden, can persist |
| Thin holiday liquidity | Public holidays in major centres | Wider all session |
How to confirm what happened
- Check the economic calendar for a release at that exact time.
- Check the clock against the rollover (5pm New York) and the session handover.
- Look at an independent price source, such as a second broker or a market data site, for the same timestamp. If the spread widened everywhere, it was the market.
- Check for a major headline in the minutes before the move.
If the spread widened on your platform but not on independent sources at the same time, and there was no news or rollover, that is worth raising with the broker. A widening that shows up everywhere was caused by the market.
Fixed-spread accounts
A fixed-spread account keeps the spread constant most of the time, which is predictable but usually set wider than a variable spread's typical level to cover the broker's risk. Fixed spreads can still change: the broker may widen them during major news or switch you to variable pricing in extreme conditions, and it can revise the fixed level with notice. Check your account terms for when the fixed spread does not apply.
Yuki saw her USD/JPY spread jump from 0.9 to 7 pips and assumed the broker was manipulating pricing. The time was 5:00pm New York exactly, the daily rollover. A check on a second broker showed the spread had widened there too. Now she avoids placing or closing trades in the few minutes around the rollover, and the "sudden" spread changes stopped surprising her.
How this affects your orders
- A market order placed into a widening fills at the wide spread, so your opening cost is larger for that moment.
- A pending stop or limit order can trigger on the widened price even if the price you were watching did not reach your level, because a long position's stop is on the bid and the spread moved the bid.
- A tight stop-loss placed just before a scheduled release is very likely to be swept by the widening alone.
- Around the rollover, the safest choice is to have nothing being opened or closed for the few minutes on either side.
A brief spread widening at a scheduled news minute or the rollover is normal on every variable-spread account. A wide spread that only appears on your platform, with no news and no rollover, and does not match independent price sources, is worth a written query to the broker and, if unresolved, its regulator.
On a variable-spread account the spread is not something the broker sets each morning; it is a live number that follows the liquidity it is quoting from. The sudden jumps line up with the calendar and the clock almost every time. Cross-check against a second price source at the same timestamp and you will usually see the same widening there.
Frequently asked
Why did my forex spread suddenly widen?
On a variable-spread account the broker passes through live quotes from its liquidity providers, which widen around high-impact news, the daily rollover near 5pm New York time, session handovers, volatility spikes, and thin holiday liquidity.
Is a sudden spread change a sign of manipulation?
Usually not. Check whether a news release, the rollover, or a session handover coincided, and compare an independent price source at the same timestamp. If the spread widened everywhere, the market caused it. If it only widened on your platform with no trigger, raise it with the broker.
Do fixed-spread accounts change too?
Fixed spreads stay constant most of the time but are usually set wider than a variable spread's typical level. The broker may still widen them during major news, switch to variable pricing in extreme conditions, or revise the fixed level with notice.
How do I check if the widening was market-wide?
Look at a second broker's platform or a market data site for the same currency pair at the same time. A market-wide widening confirms it was liquidity conditions, not your broker acting alone.
Should I trade through the rollover?
It is best avoided. Spreads widen for a few minutes around 5pm New York time most days as liquidity thins during the handover, so opening or closing a trade then costs more.