Supply and Demand Zones: How to Draw Them Consistently

Ask three traders to mark the supply and demand zones on the same EUR/USD chart and you will usually get three different sets of boxes. The idea is simple. Drawing it the same way twice, and then finding out whether it helps you at all, is the hard part.

Quick answer: Supply and demand zones are price areas where a market paused in a tight base before moving away sharply. A demand zone sits below the current price, a supply zone above it. You draw each one with two lines, proximal and distal, around the base candles. Zones describe past price behaviour; they do not prove where large orders are waiting.

What are supply and demand zones?

A supply and demand zone is a box drawn on a price chart around a short pause, called the base, that came just before a strong move. If price left the base sharply upwards, the box is a demand zone: the idea is that buyers overwhelmed sellers there, and that some buying interest may remain if price comes back. If price left sharply downwards, it is a supply zone, the same idea in reverse.

The method grew out of ordinary support and resistance analysis and became popular through online trading courses in the 2000s and 2010s. Today it sits alongside “smart money” vocabulary such as order blocks and liquidity, and the boxes are often explained as the footprints of banks. That explanation goes well beyond what a chart can show. What you can see on a chart is that price stopped briefly and then moved fast. Why it moved fast, and who traded there, is invisible on a retail platform.

Every zone has three parts:

• The leg in: the move that brings price into the base. It can be in either direction.
• The base: one to a few small candles where price went sideways. This is the zone itself.
• The leg out: a strong, usually large candle or run of candles that leaves the base. Without a convincing leg out there is no zone, only a pause.

Combine the direction of the leg in and the leg out and you get four shapes, which many courses name by their initials.

The reversal shapes (rally-base-drop and drop-base-rally) mark a change of direction at the base. The continuation shapes (rally-base-rally and drop-base-drop) mark a pause inside an existing move. Some teachers only trade one family; others trade all four. That is your first rule to decide, and it is a good example of why two people using the “same” method can mark different charts.

A zone also says nothing about timing. A demand zone drawn on Monday may not be revisited for weeks, or ever. When price does come back, the zone describes an area where something happened before. Whether anything happens again is a question that only testing can answer for you, and the last section of this guide shows how.

How to draw supply and demand zones with proximal and distal lines

A zone is a box, so it has two edges. The proximal line is the edge nearest the current price: the top of a demand zone, the bottom of a supply zone. It is where price arrives first. The distal line is the far edge: the bottom of a demand zone, the top of a supply zone. Price going through it means the zone has failed.

For a demand zone, a common convention is:

• Proximal line: the highest candle body in the base (the higher of each base candle’s open and close).
• Distal line: the lowest wick in the base, or the lowest point of the base and the candle that leads into it.

For a supply zone, flip it: the proximal line goes at the lowest body in the base and the distal line at the highest wick.

Some teachers put the proximal line at the highest wick of the base instead of the highest body, which makes the zone a little taller and fills more entries. Others draw only the base candles; others include the leg-in candle’s extreme. None of these is the correct version. What matters is choosing one and writing it down, because a rule you apply differently on different days cannot be tested.

A rule set you can write on one line

Here is an example of a complete, checkable drawing rule for a demand zone. You can adopt it, change it, or replace it, but your own rule should be equally specific:

1. Base: one to four candles, each with a body smaller than half its own high-to-low range.
2. Leg out: the first candle after the base has a range at least twice the average range of the base candles, and closes above the highest base wick.
3. Proximal line: the highest body in the base.
4. Distal line: the lowest wick in the base.
5. Fresh: price has not traded back to the proximal line since the zone formed.

Every phrase in that list can be answered yes or no by looking at the candles, which is the point. “A strong move”, “a clean base” and “an obvious zone” cannot. Some traders use the ATR to define strength, for example “the leg out covers at least 1.5 × ATR”, which adapts the rule to quiet and busy markets; our guide to the ATR indicator shows how to read it in pips.

Step through the chart below to see the rule applied to an illustrative hourly chart, from the base to a planned trade.

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Illustrative EUR/USD 1-hour chart. A two-candle base, a 45-pip leg out, and a first return to the zone. The trade uses a buy limit at the proximal line and a stop 5 pips beyond the distal line.

Fresh, tested and broken zones

Teachers of the method nearly all agree on one idea: a zone is at its most interesting the first time price returns to it. The reasoning offered is that orders left behind at the base get used up when price comes back, so each later visit has less behind it. A chart cannot confirm that, but you can turn the idea into a rule and check it on your own data.

The common labels are:

• Fresh (or untested): price has not returned to the proximal line since the zone formed.
• Tested: price has come back into the zone at least once and left again. Many rules stop trading a zone after the first or second test.
• Broken: price has closed beyond the distal line. The zone is deleted, or, in some methods, it is flipped: an old demand zone is watched as possible supply when price climbs back up to it from below.

Two refinements are common. The first is how far price travelled away: a zone that launched a move three times its own height is often rated above one that launched a small drift. The second is time: some traders ignore zones older than a set number of candles on the chart they use, on the grounds that the market has moved on. Both are reasonable ideas to test. Neither is a law.

A broken zone deserves respect too. When price closes through the distal line, the trade idea is wrong and the stop should already have done its job. The idea of a flipped zone, old demand becoming supply, is the zone version of the classic role reversal of support and resistance, covered in our guide to support and resistance in forex. It sometimes works, sometimes does not, and should go through the same testing as any other rule.

Supply and demand zones vs support and resistance

Supply and demand zones and support and resistance levels look similar on a chart, and both mark places where price might react. They are drawn from different evidence:

	Support and resistance	Supply and demand zones
Drawn from	Places where price turned several times	The base before one sharp move
Shape	A line, often treated as a small band	A box with proximal and distal edges
Repeated touches	Usually seen as confirmation	Usually seen as weakening the zone
Main question	Where has price reversed before?	Where did price leave quickly?
Typical stop	Beyond the level, plus a buffer	Beyond the distal line, plus a buffer

The difference over repeated touches is the interesting one. In classic analysis, a level that has held three times is “stronger”. In zone methods, a zone that has been visited three times is “weaker”. Both views can be argued, and both can be tested. In practice the two often point to the same area: a demand zone frequently sits on or near a support level, and many traders treat that overlap as confluence.

There is some research on the classic side. A 2000 study by Carol Osler at the Federal Reserve Bank of New York tested the support and resistance levels that six firms sent to clients in 1996–98, and found they predicted intraday interruptions of trends better than chance. The predictive power varied considerably across firms and currencies, and the “strength” ratings published with the levels were not meaningful. That study tested published levels, not supply and demand zones, and it measured whether trends paused, not whether trading the levels made money after costs. We know of no comparable public study of supply and demand zones.

The Academy lesson on support and resistance covers the classic method step by step, and the Market Structure course lesson on zones builds on it.

Using supply and demand zones across timeframes

The same rule produces different zones on every timeframe. A four-hour demand zone may be 40 pips tall. Zoom into the hourly chart and that box often contains one or two smaller hourly zones of 10 to 15 pips. Which one you use changes the trade more than any other choice.

A common approach, explained in our guide to multi-timeframe analysis and in the Academy lesson on reading several timeframes, is to let the higher timeframe set the area and the lower timeframe set the entry:

1. Mark fresh zones on the higher chart (daily or four-hour).
2. When price approaches one, switch down a step (four-hour to hourly).
3. Look for a smaller zone inside the larger one, and use its proximal and distal lines for the entry and stop.

The smaller zone looks like a free improvement: a tighter stop, a larger position for the same risk, a better risk-reward ratio. The cost is that it fails more easily. Price only has to push 17 pips past your entry, still well inside the higher-timeframe zone, to stop you out, and it may then rally from the bottom of the four-hour zone without you. Neither choice is free. A tight stop means more small losses, a wide stop means fewer, larger ones. Testing both on the same sample of zones is the only way to know which suits your rule.

Whatever you choose, the position size should come from the stop distance and your fixed risk per trade, never the other way round. The lesson on stop-loss placement explains how to set the buffer beyond a structural level. The worked example below shows both versions with the same money at risk.

The risk/reward visualiser below has the hourly trade from the step-by-step chart above loaded: entry 1.0844, stop 1.0827, target 1.0878.

Entry priceStop lossTake profit

Risk

Reward

Reward-to-risk

Win rate needed to break even

Break-even win rate = 1 ÷ (1 + R), where R is the reward-to-risk ratio. Costs push the real figure a little higher.

Leveraged trading carries a high risk of loss. Pip values here assume a standard lot of 100,000 units on EUR/USD in a US dollar account; your platform’s figures may differ slightly. Our guide to position sizing in forex covers other pairs and account currencies.

How often do supply and demand zones fail?

There is no reliable public figure, and you should be wary of anyone who quotes one. Hit rates depend entirely on the drawing rule, the market, the timeframe, the period tested, and what counts as “holding” (a 5-pip bounce? A 2R winner?). A teacher’s “zones work 70% of the time” is usually a count of examples chosen after the fact, which tells you nothing.

What you can say with confidence:

• Zones fail often. Any rule that trades every qualifying zone will take many losses, including runs of several in a row. Strong trends run straight through zones against them, and news releases ignore them entirely.
• Hindsight makes zones look better than they are. On a finished chart, your eye goes to the bases that launched big moves and skips the dozens that did nothing. This is confirmation bias at work.
• Drawing differences change results. Moving the proximal line from the body to the wick, or adding one candle to the base, changes which trades fill and where the stops sit. Small rule changes can turn a test from positive to negative.

Try the replay below. Price is returning to a demand zone for the second time. Decide what the zone tells you before you reveal what happened.

EUR/USD made a demand zone around 1.0832–1.0841, bounced from it once, and is now back for a second time after a weaker rally. What does the zone tell you?

Buy: zones hold, so this is a low-risk entryNothing certain: it is a tested zone, so follow your rule or skip itSell now: second tests always fail

A second test of a demand zone after a weaker bounce. Price breaks through the distal line, then rallies back to the underside of the old zone before falling again. Illustrative prices.

How to test a zone rule honestly

You can test supply and demand zones the same way you would test any rule, with a manual backtest on historical charts. The steps that make the test honest are the dull ones:

1. Write the rule before you look. Use something like the five-line rule set earlier. If you find yourself thinking “this one does not count”, the rule is incomplete; fix the rule and start the count again.
2. Scroll the chart forward candle by candle, so you cannot see what happens next. Mark every zone the rule produces as it forms, not only the attractive ones.
3. Set entry, stop and target when the zone forms, before price returns. Count orders that never fill as well as wins and losses.
4. Record results in R, multiples of the amount risked, so different stop sizes are comparable, and include the spread.
5. Collect a meaningful sample. Fifty trades is a minimum for a rough picture; a hundred or more is better. Then work out the expectancy.
6. Check on fresh data. Build or tweak the rule on one period and confirm it on a later one, to avoid curve fitting.

The Academy lesson on testing a strategy walks through the full process, and the Market Structure course has a dedicated lesson on testing a structure idea honestly. If the result is flat or negative after costs, that is a useful answer: it saves you from trading the rule with real money.

Common mistakes with supply and demand zones

Drawing zones after you know the outcome

On a finished chart every successful zone is easy to spot. Mark zones only as they form, on a chart you have scrolled back, or the test is measuring your hindsight.

Changing the lines to fit the trade

Moving the distal line a few pips to fit a smaller stop, or widening the zone after price has gone through it, makes the rule meaningless. If the planned stop is too wide for your risk, take a smaller position or skip the trade.

Treating a zone as a reason on its own

A zone is a location, not a signal that the market will turn there. A fresh demand zone directly against a strong downtrend on the higher timeframe is a very different trade from one in line with it. Our guide to market structure in forex explains how to read the trend from swing highs and lows first.

Ignoring news and spreads

Zones are drawn from price alone. A major release can push straight through a zone and past the stop, filling it at a worse price. Check the calendar before you leave a limit order sitting at a proximal line, and remember that spreads widen in quiet hours and at news times.

Believing the bank story

A zone shows that price left an area quickly. It does not show that a bank placed orders there or is defending it. The related idea that price runs to the stops beyond a zone before reversing is covered in our guide to liquidity sweeps and stop hunts, with the evidence for what stop orders really do.

Frequently asked questions

What is a supply and demand zone in forex?

It is a box drawn around a short base of small candles that came just before a sharp move. If price left the base upwards, it is a demand zone below the market; if it left downwards, a supply zone above. Traders watch the zone for a reaction when price returns, but it describes past price, not future orders.

How do you draw supply and demand zones correctly?

There is no single correct way, only a consistent one. A common rule puts the proximal line at the base candles’ bodies and the distal line at the farthest wick of the base. Decide how many candles a base can have and how strong the leg out must be, write it down, and draw every zone the same way.

What is the difference between a fresh and a tested zone?

A fresh zone has not been revisited since it formed. A tested zone has had price come back into it at least once. Most zone methods treat the first return as the most interesting and stop trading a zone after one or two tests, but that idea should be checked on your own data before you rely on it.

Are supply and demand zones better than support and resistance?

Neither has been shown to be better in general. Support and resistance is drawn from repeated turning points; zones from the base before one sharp move. They often mark the same area. Whichever you use, a written rule and an honest test of at least 50 trades tell you more than any comparison article can.

Where should the stop loss go on a zone trade?

Beyond the distal line, plus a buffer for the spread and normal noise: a few pips on an hourly chart, more on higher timeframes or volatile pairs. If price closes through the distal line, the zone has failed. Size the position from that stop distance so the money at risk stays within your fixed limit per trade.

Do supply and demand zones show where banks place orders?

No chart can show that. Retail platforms do not display the orders of banks or funds, and the forex market has no single central order book. Zones show that price left an area quickly. Explanations about institutions are stories laid over the chart and cannot be checked from it.