poxisFX

Blog/ICT and comparisons

Supply and Demand Zones vs Volume Profile

Supply and demand zones are drawn by eye from the shape of candles around a sharp move. Volume profile levels are calculated from how much actually traded at each price. They are trying to identify the same thing, which is where large participants transacted, and one of them measures it directly.

I do not think of these as competing methods. They are the same question asked with different amounts of information.

The identical goal

Both are hunting for prices where meaningful business was done, on the reasoning that participants who transacted there have positions to defend and may act again.

A demand zone claims buyers were active at a price. A high volume node shows volume traded at a price. Same claim, different evidence.

Once you see it that way the comparison stops being tribal and becomes practical: which method identifies the thing more accurately, and what does each cost you?

How each one finds a level

Supply and demand zone Volume profile level
Built from Candle shape around a sharp move Volume traded at each price
Subjective? Yes, two traders draw it differently No, the histogram is what it is
Confirms participation? No, infers it from speed Yes, that is what it measures
Needs volume data? No Yes
Works on spot forex? Yes Not reliably
Boundaries Exact, though arbitrary Approximate, read from shape
Main weakness Cannot tell aggression from absence Says nothing about what is happening now

The one difference that matters

Everything above reduces to a single point.

Price can move away from an area quickly for two opposite reasons. Either a large participant was aggressively transacting, or the other side simply stepped back and almost nothing traded.

Both produce the same candle formation. A zone drawn from that formation therefore marks both, while they behave in opposite ways when price returns. The first has someone with a position. The second is empty air.

The volume profile tells them apart immediately, because in the first case there is a bulge and in the second there is a trough. That is the whole difference, and it is covered from the zone side in supply and demand zones.

SDVP 1

An ES chart with three conventional demand zones drawn on it and the volume profile beside them. Two should sit on visible high volume nodes, one should sit in a thin area. Mark which held and which failed on retest.

Three zones drawn by the same rules. The profile shows immediately that one of them had nothing behind it.

What zones genuinely do better

I am not going to pretend this is one sided.

They work anywhere. A zone needs only price, so it functions on spot forex, on crypto pairs with fragmented volume, on any instrument with a poor data feed. A volume profile needs complete exchange-reported volume, which restricts it to futures and liquid equities. That portability is a real advantage and explains much of why zones are taught more widely.

The boundaries are precise. A zone has exact edges from the candle prices. A high volume node is read off the shape of a histogram, and two traders will place its edges a few ticks apart. When I want a precise level rather than an area, that precision has value even if it is arbitrary.

They are faster to learn. A trader can be drawing usable zones within an hour. Reading a profile properly takes weeks. That matters more than people admit.

What the profile does better

It confirms rather than infers. The central advantage. It measures the participation that zones assume.

It is not subjective. Ask ten traders to draw a demand zone and you get ten slightly different rectangles. Ask them to read a POC and they all read the same number. That removes a whole category of self-deception, because you cannot quietly adjust a level to fit a trade you already want.

It finds levels zones cannot. A price where enormous volume traded during slow sideways grinding produces no sharp move and no zone, but it is one of the most defended prices on the chart. Zone methods never mark it.

The upgrade path

If you trade zones now, you do not need to abandon them. Add in this order.

  1. Put a volume profile on the chart and change nothing else. Keep drawing zones exactly as you do. Just look at whether each one sits on volume before taking it, and note what happens to the ones that do not.
  2. Drop the thin ones. After a few weeks you will have your own evidence rather than my opinion. Most traders find the failures concentrate heavily there.
  3. Start reading levels from the profile directly. At some point you notice you are marking the bulges anyway and the rectangles have become decoration.
  4. Add order flow for the arrival. Whichever way you found the level, the question of whether it is being defended today is answered by the executed orders.

Most traders who make this transition stop drawing zones eventually, not because someone talked them out of it, but because the profile was already giving them the answer and the rectangle stopped adding anything.

If you cannot use volume

Worth addressing honestly, because for spot forex traders this is not a choice.

If your instrument has no reliable volume, zones are a reasonable tool and the criticism above does not give you an alternative. What you can do is use the volume from a related futures contract, such as 6E for EUR/USD, to build a profile and apply those levels to your chart. It is imperfect, since the instruments are not identical, and it is considerably better than inferring participation from candle shapes alone.

The broader data question is covered in futures vs forex, and it is the single biggest reason traders who get serious about levels tend to end up trading futures.

Frequently asked questions

Is volume profile better than supply and demand zones?

For identifying where participants actually transacted, yes, because it measures that directly rather than inferring it from how fast price moved. Zones have real advantages in portability and precision of boundaries, and they work on instruments where volume data is unreliable.

Why do supply and demand zones fail?

Because the candle pattern used to draw them appears both when a large participant was aggressively transacting and when the other side simply stepped away and almost nothing traded. Those two behave in opposite ways on the retest, and the drawing cannot distinguish them.

Can I use both together?

Yes, and it is the sensible transition. Keep drawing zones and add a volume profile to check each one before trading it. You get your own evidence about which zones fail, rather than taking anyone's word for it.

Are volume profile levels subjective?

Much less so. The point of control is a specific price everyone reads the same. Node boundaries are read from the shape of the histogram, so there is some judgement about exactly where a node ends, but nothing like the variation between two traders drawing the same zone.

What if I trade forex and cannot use volume profile?

Use the volume from the equivalent futures contract, such as 6E for EUR/USD, to build a profile and apply those levels to your spot chart. The instruments are not identical, so it is approximate, but it is better grounded than inferring participation from candle shapes.

Do I have to stop drawing zones?

No. The zone is a way of finding a candidate level, and there is nothing wrong with that. What matters is checking whether real volume traded there before you commit, and whether anyone is defending it when price returns.