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Supply and demand zones: how to find where big moves start

Big moves don't come from nowhere. They start in a small area where buyers or sellers took charge. Mark it, and you know where price may react if it comes back.

Beginner guide · 8-minute read · Updated 2026-10-21

The idea in one minute

A supply and demand zone is the small area a strong move started from.

The thinking: if buyers were keen at a price once, some of them may still be keen if price comes back. That's not a promise. It's a reason to pay attention.

How it differs from support and resistance

They're close cousins. Support and resistance marks places price turned — often several times. A supply or demand zone marks where a strong move started, even if price only left once.

Many traders use both. The support/resistance vs supply/demand comparison goes into the details.

How to find a zone in four steps

  1. Find a strong move. Look for a run of big candles in one direction, the kind that jumps off the chart. Small drifts don't count.
  2. Look just before it. Find where the move started: usually a few small candles where price paused.
  3. Draw the box. For a demand zone, draw from the lowest low of that pause to the top of the pause candles' bodies. For a supply zone, flip it: from the highest high down to the bottom of the bodies.
  4. Extend it right. Stretch the box to the right edge of the chart, so you see it if price returns.

Keep the box tight. If your zone is as tall as the move that left it, it isn't a zone — it's half the chart. A tight box tells you where you're wrong.

What makes a zone stronger

Not every zone is equal. These things tend to make one worth more attention:

ClueStronger zoneWeaker zone
How price leftBig, fast candlesSlow drift
Visits sinceNone yetTwo or three already
TrendSame directionAgainst it
TimeframeDaily or 4-hour1-minute only

A described example

An illustration, not a real trade. A stock pauses for three small candles around $40.20–$40.80, then jumps in four big green candles to $44. That rally also pushes past the last peak at $43.

The demand zone is $40.20 to $40.80. Days later, price drifts back down into it. That's the moment a trader would start watching — not buying blindly, but looking for the bigger chart to agree and for price to show it's holding.

If a candle body closes below $40.20, the zone has failed. Buyers didn't show up. That's the end of the idea.

When a zone stops working

Zones break all the time. Treat it like any other level:

Since any zone can fail, your stop loss usually goes just past the far edge of the box. Then size the trade so that stop costs only your set amount — the position size calculator does the math, and how much to risk per trade explains why.

Common beginner mistakes

You may also hear the term "order block." It's a tighter version of the same idea — see order blocks explained.

Try it today

  1. Open a 4-hour chart of anything you're curious about.
  2. Find the three strongest moves on screen.
  3. Draw the zone each one started from.
  4. Note which are fresh and which have been revisited.
  5. Watch them for a week. Write down what price does at each.

Questions

What is the difference between supply and demand zones?

A demand zone is where a strong move up started, so buyers were in charge. A supply zone is where a strong move down started, so sellers were in charge.

How do you draw a supply and demand zone?

Find a strong move, look at the small pause just before it, and draw a box around that pause. Keep it tight and extend it to the right.

Do supply and demand zones really work?

They show where one side was strongly in charge before. That's a sensible place to watch, but zones fail often, so a stop and a small, fixed risk are part of using them.

Which timeframe is best for supply and demand zones?

Zones on bigger charts, like the daily and 4-hour, tend to matter more. Use smaller charts to fine-tune the box, not to find the main zones.

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