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7Grade 7: Price Action Lab
Technical Analysis + Price Action · Supply and Demand Zones

Zones, not lines

Understand why supply and demand are best drawn as zones rather than precise lines.

3 min read+25 XPLesson 77 of 96
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Technical Analysis + Price Action

Supply and Demand Zones

Lesson 77 of 9680%
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Lesson 77 of 96Technical Analysis + Price ActionSupply and Demand Zones

Today's tiny win: make one idea click.

Understand why supply and demand are best drawn as zones rather than precise lines.

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Why a band beats a line

If you have ever drawn a perfect horizontal line on a chart, watched price stop one pip short of it, reverse, and made you feel like you missed the trade, you have already met the problem this lesson solves. Price does not respect single points. It respects ranges. Supply and demand are taught as zones because the place where institutions actually did real buying or selling was a cluster of candles, not a single tick.

Wick shows a green card saying draw a zone where price turns in here and a coral card saying draw a line where price turns exactly here, teaching that zones are honest.Do thisDraw a zone: priceturns in hereNot thisDraw a line: priceturns exactly here
Wick saysPrice respects areas, not single points, so draw zones instead of lines.

Think about how a large fund accumulates a position. They cannot buy a billion dollars worth of EUR/USD at one price without sending the market straight up. So they buy across a range, quietly, over many candles. When that range eventually breaks loose and price launches higher, the range they bought in is now the area where unfilled orders may still sit. That whole area is the demand zone. Not the bottom wick. Not the close of one candle. The cluster.

Here is the practical rule. To draw a demand zone, find the last few candles before a strong rally. Mark the top of the zone at the highest close in that cluster. Mark the bottom of the zone at the lowest wick. You now have a rectangle, not a line. To draw a supply zone, do the mirror image at the last few candles before a strong drop. The result is a band that price can wick into, pierce slightly, and still react from without invalidating your read.

Wick holds a shield labeled zone stop that blocks a normal wick, with his stop kept outside the zone, teaching why zones give price room to breathe.Normal wickStop outside zoneZonestop
Wick saysA stop outside the zone survives the normal wicks that clip a stop on a thin line.

Why does this matter for a trader risking real money? Because the difference between a line and a zone is the difference between a stop loss that gets clipped on a normal wick and a stop loss that lives outside the zone where price can wick, sweep, and still respect your trade idea. On a 500-dollar account, getting stopped out on a routine wick because you drew a line instead of a zone is one of the most expensive beginner habits in trading. Zones forgive the breathing room price needs.

Wick points at a chalkboard saying find the last candles before the rally, top at the highest close, bottom at the lowest wick, showing how to draw the box.Draw a demand zoneLast candles before rallyTop: highest closeBottom: lowest wick
Wick saysMark a demand zone from the highest close to the lowest wick of the base.

Recap: institutions buy and sell in ranges, not at points. Draw supply and demand as rectangles spanning the origin candles. Lines under-fit reality and produce false invalidations.

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0 / 2 answered

1. Why are supply and demand drawn as zones rather than single horizontal lines?

2. Where do you mark the top and bottom of a demand zone?

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