For Business

Trends & Market Structure

What Is Market Structure

Market structure is the run of a chart's turning points — its highs and lows — with each one named against the one of the same kind before it. This paper shows you the structure of five months of the Dow drawn from its turns, the idea as the frame of a building, the turns boxed and named on the daily chart, the four-letter shorthand HH, HL, LH and LL, and how to switch to the bar chart on your platform so the turns stand out.

Difficulty
Beginner
Reading time
5 min
Pages
8
Reviewed by
Saman Rahbar

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Ten turns, each one named

Market structure is the run of a chart's turning points, with each one named against the one of the same kind before it. A high is a higher high if it is above the last high, or a lower high if it is below it; a low is a higher low or a lower low in the same way. The Dow — the index of thirty large American companies, quoted in points — turned ten times between April and August 2025. The first low and the first high had nothing before them to compare with; of the eight turns after them, seven were higher than the turn of the same kind before them. One, the 1 August low at 43,314, was lower. That run of names is the structure.

The frame of a building

The picture is the frame of a building before the walls go on. The beams are the turns — each high and each low — and the frame is the order they stand in. Take away the candles and the structure is what is left: a few turning points, and whether each one stands above or below the one before it. A frame whose beams step up is a rising structure; one whose beams step down is a falling one; one whose beams stay level is a sideways one.

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