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The RADEX MARKETS editorial team consists of seasoned financial professionals and market observers. Dedicated to delivering objective market summaries, macroeconomic insights, and educational content, the team strives to keep traders well-informed in a fast-paced financial environment.
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A liquidity void is the low-volume imbalance a one-way price surge leaves behind on the chart, a run of price that almost nobody traded against. A liquidity gap goes by a different name but points at the same thing, which is why traders reach for either word.
A pair sits quiet all morning, then a data release hits and it tears 60 pips higher in three or four candles while you watch, caught between chasing it and letting it go. Chase it, and more often than not price snaps straight back through that thin, fast move and takes your stop with it. That empty stretch has a name, the liquidity void, and reading it before you trade it is what this guide is about.
This guide starts with what the two terms mean and how they differ from the fair value gap, the smaller three-candle imbalance traders also track. From there it covers how these imbalances form and how to spot them on your own chart. Then the practical part: why price so often returns to fill a void, when to trade one, and when to leave it alone.
A liquidity void is a sharp, one-directional price move that leaves almost no traded volume between two levels, usually because there were no opposing orders to slow it down. Price tends to come back and refill some of that empty stretch later. The practical playbook is simple: wait for the retrace into the void rather than chase the move that created it.
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A liquidity void is the imbalance a strong, one-directional move leaves across several candles: plenty of ground covered, almost no volume traded, no pause to trade back through the range and wicks that scarcely overlap. On the chart, price was at one level, then suddenly at another, and very little business was done in between.
Break the term apart and it explains itself. Liquidity is the pool of buyers and sellers ready to trade against you; void is what you have when they are not there. Put the two together and you get a run of price with no one opposing it, which is exactly why it moved through in one go.
The phrase comes from ICT (Inner Circle Trader) and Smart Money vocabulary, a school of chart analysis built around how large institutions move price. There, displacement, a fast institutional push out of a range, is said to leave these voids behind. Elsewhere you'll hear the same thing loosely called an imbalance or an inefficiency. Different labels, same patch of chart.
One boundary worth drawing early: this is not the same as an opening gap, the true blank space between Friday's close and Monday's open. A void sits inside continuous intraday candles. Price did trade through it, just very thinly and very fast.
Read more: Gap Trading Strategy: How Traders Read and Trade Market Gaps
In a trading context, a liquidity gap describes a patch of the order book holding very few resting orders. Touch that patch and price skips straight to wherever the next orders sit, printing the same picture a void does, which is why so many traders treat the two words as interchangeable.
A quick caveat: in institutional finance, the same phrase describes a mismatch between a bank's assets and liabilities. That meaning has nothing to do with charts, and this article covers the trading sense only. The finer differences between a void, a gap and a fair value gap are laid out in the comparison table further down.
Voids are born in consolidation. While price chops sideways, buy and sell orders stack up on both sides of the range. When the breakout finally comes, one side swallows every opposing order in its path, and with nothing left to absorb the flow, price runs without a retrace until it reaches the next area where orders actually rest.
A few situations produce them again and again. Major data releases wipe one side of the book in seconds. Session handovers, the quiet stretch after New York closes and before Tokyo builds volume, leave the book thin enough for modest orders to move price a long way. And large institutional entries create the classic displacement leg that ICT traders study.
A bullish void is a run of long-bodied green candles climbing from a consolidation low with wicks that barely touch each other. Say EUR/USD has been grinding just above 1.1500 for two sessions, then a dovish central bank surprise lands. Three candles later it's at 1.1583, and the stretch from roughly 1.1508 to 1.1573 printed almost no volume. That thin 65-pip corridor is the void, and the numbers here are purely illustrative.
The first few of these I ever traded, I took the tall green candles as a reason to buy. What I missed completely was that the move had already happened. The trade worth having was waiting for price to sink back into that corridor, not chasing it near the top.
The bearish version is the mirror image: consecutive long red candles falling with no bounce. Picture GBP/USD sitting on support until a weak UK retail sales number cracks it, and the pair drops from 1.2678 to 1.2604 in a handful of one-way candles.
Direction matters more than size here. A void that fires in the same direction as the higher-timeframe trend tends to be respected when price revisits it. A counter-trend void is often just run straight through. Keep that in mind, because the whole trading approach later in this article leans on it.
The bearish voids I trust are the ones that form while the market is already falling. The ones that show up against a strong uptrend have cost me enough over the years that I now treat them as bait rather than a signal, and I wait for the higher timeframe to actually roll over before acting on one.
Three names, one family of imbalances, three different sizes. The void is the multi-candle displacement container. The gap is the empty space price jumps across where orders are thin. The fair value gap (FVG) is the smallest unit: a single three-candle imbalance where the wicks of the first and third candle fail to overlap. One void often holds several FVGs stacked inside it.
Aspect |
Liquidity Void |
Liquidity Gap |
Fair Value Gap |
|---|---|---|---|
| Definition | Multi-candle imbalance left by one-way displacement | Thin spot in the order book where price jumps between levels | Single three-candle imbalance where wicks fail to overlap |
| Chart structure | Several long-bodied candles, no internal retrace | Often a visible jump or gap between prices | One candle body flanked by non-overlapping wicks |
| Typical cause | Breakout from consolidation, institutional displacement | News shocks, session handovers, thin books | Aggressive single-move order imbalance |
| Fill tendency | Often partially refilled, commonly around half | Depends on cause, fundamental gaps may never fill | Filled more quickly and more often than voids |
| How traders use it | Map the path price may retrace through | Warn of slippage and fast moves in thin conditions | Fine-tune entries inside a larger void |
Traders borrow these words from each other constantly, so don't lose sleep over the labels. What matters is being able to point at the part of the chart where the other side went missing, whatever anyone chooses to call it.
You can spot a void with a simple checklist:
Marking one by hand takes seconds. Draw a box around the whole one-way leg, from its first candle to its last, then split it with a line down the middle. That midpoint is the level most traders keep an eye on for a partial refill.
If you'd rather not eyeball it, the tools already exist. TradingView carries liquidity void and FVG indicators that shade these imbalances for you, and the same search turns up free versions for MT4 and MT5. They all do broadly the same job: highlight candles whose wicks fail to overlap and shade the empty stretch between them.
Whatever the indicator paints still needs a human check against the list above. An indicator saves you time; judging whether the displacement behind the box actually means anything is always your job.
Not right away, not guaranteed, and usually not completely. Those are the honest answers to the three questions everyone asks.
Does it fill immediately? Usually not. A void can sit open for hours, days, sometimes weeks, and nothing obliges the market to deal with it on any particular schedule.
Is a fill guaranteed? No. A void inside a strong trend can stay open indefinitely. Treating a fill as certain is how traders end up fighting a trend with nothing but hope.
Does it fill completely? The common case is a partial refill to around the halfway point of the void before the original direction takes over again. ICT traders call that midpoint the consequent encroachment, which is just a formal name for the halfway point.
The behaviour tells you more than any fixed rule ever could. When a void simply refuses to fill, that alone is a sign momentum is strong. A half-fill that gets bought or sold straight back up is one of the most common with-trend entries this concept offers.
The trade that drummed this into me was a GBP/USD short I kept open waiting for a void to fill all the way. It refilled about two thirds, turned, and ran on without me. Now I plan for a partial fill from the outset, taking something off near the midpoint rather than holding out for the full round trip.
The setup earns your attention when a few conditions line up:
Timing the session matters more than most beginners expect. The London and New York overlap generally offers the best trade quality of the day, and quiet hours produce the sloppiest.
Read more: Best time to trade forex: When to enter the market during the day
Think of the void as a fast lane and the areas either side of it as the destinations. Resting orders cluster at old highs, old lows and consolidation zones. Between those clusters, the book is thin. So price crosses the void quickly, then slows, stalls and reacts once it arrives where liquidity actually sits.
The refill has the same logic. Markets tend to return to prices where little business was done and trade through them properly the second time. That's why voids behave like magnets: not because of anything mystical, but because untraded prices are unfinished business for the order flow.
Put the two ideas together and your chart gets simpler. Voids tell you how quickly price is likely to travel; the clusters either side tell you where it is likely to pause. Reading the two together makes targets much easier to place.
It took me longer than I would like to admit to stop treating the void itself as somewhere to trade. Once I started reading it as the road between two clusters of orders, and only acted when price arrived at the cluster on the far side, my entries got cleaner and my stops got smaller.
Read more: What is liquidity in Forex and how is it measured
Here is the full process, step by step. It's the same sequence whether you trade the long side or the short side.
Check the daily and four-hour charts for the trend and for a clear displacement leg. No clear direction, no trade.
Frame the one-way move from start to finish and draw the halfway line. These two levels are your entire map.
This is the patience step. If price never comes back, there was no trade, and that's fine.
On the fifteen-minute or five-minute chart, wait for structure to turn back in the trend's favour before acting.
Entry near the midpoint, stop beyond the opposite edge of the void, target at the next area where liquidity visibly rests.
A long example, with every number purely illustrative. GBP/JPY is trending up on the daily and prints a one-hour void from 187.24 to 188.41. You box it, mark 187.83 as the midpoint, and wait. Two sessions later price dips to 187.79, the fifteen-minute chart puts in a higher low, and you go long with a stop under 187.14 and a target at the previous high near 189.16.
The short side mirrors it, again with illustrative numbers. USD/JPY breaks down through a range, leaving a void from 151.84 down to 150.93. The bounce stalls around the 151.38 midpoint during London, structure rolls over on the five-minute chart, and the short targets the low at 150.62 with a stop above 151.94.
In my experience, patience is the entire edge here. Nothing about this setup rewards speed; the market either comes back to your level or it doesn't, and my own results only settled down once I stopped negotiating with that.
And on risk: the process tilts the odds, nothing more. Position sizing and stop discipline still come first, on every single trade.
Jumping in while the displacement is still running costs traders more money than anything else in this topic. Here's what actually happens to the account that tries it.
I learned this one with real money. When the soft US inflation print landed in November 2023 and EUR/USD went vertical, I bought straight into the surge, into a candle that looked unstoppable. The spread had stretched to almost three times its usual size at the moment I clicked. The refill began about a minute later and took my stop out 43 pips below my entry — and the move then carried on without me. The direction was right. The entry was still wrong.
So when you watch a void form in real time, box it, set an alert at the midpoint, and walk away until price comes back.
This concept earns its place in a toolkit, and it also has edges you should know before you rely on it:
Use the void alongside trend, structure and sensible risk control. On its own it was never meant to carry a whole system.
A liquidity void is the low-volume imbalance left when price runs one way across several candles with no internal retrace, usually after a breakout or news release. Price tends to return later and refill part of that stretch, which is why traders track voids as future reference zones.
In forex, a liquidity gap is a thin stretch of resting orders that lets price jump between levels, producing the same chart picture as a void. The institutional term of the same name, a bank's asset-liability mismatch, is unrelated to chart trading.
Not quite. A fair value gap is a single three-candle imbalance where the outer wicks fail to overlap, while a liquidity void is the larger multi-candle displacement that often contains several fair value gaps inside it. Think of the FVG as the unit and the void as the container.
No, a fill is never guaranteed, and voids inside strong trends can stay open for a long time. The most common outcome is a partial refill to around the halfway point, and a useful warning sign is fresh consolidation building beyond the void, which suggests the market has accepted the new level and may not come back.
Look for consecutive long candle bodies, wicks that barely overlap and no retrace during the move, ideally on a one-hour chart or higher. The most common mistake is labelling any big candle a void, so check the middle of the move: if price paused and traded back through part of it, it does not qualify.
Yes, the logic carries across forex, gold, indices and crypto because every liquid market leaves imbalances when one side overwhelms the other. The deeper the market's liquidity, the cleaner the signal tends to be.
A liquidity void and a liquidity gap are two names for the same thing: the stretch of chart where nobody was on the other side of the trade. Price runs through it fast, tends to come back for at least part of it, and rewards the trader who mapped it in advance.
If you keep only three things from this guide, keep these. Recognise the void by its long bodies and barely-overlapping wicks. Let price come back to you before you act. And put your stop on the far side of the void, at the level that actually proves the idea wrong.
For me, the void mostly changed my timing. I still trade the same pairs in the same sessions; I just spend more of the day waiting at levels I marked in advance, and far less of it reacting to candles that have already left.
From here, the natural next step is to study where price is usually headed when it leaves a void: the pools of buy side and sell side liquidity above old highs and below old lows, and the liquidity sweep that so often marks the turn. Read those alongside this guide and the whole liquidity playbook starts to fit together.
The RADEX MARKETS editorial team consists of seasoned financial professionals and market observers. Dedicated to delivering objective market summaries, macroeconomic insights, and educational content, the team strives to keep traders well-informed in a fast-paced financial environment.
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