Read the Lines · Market Structure
Swing Highs & Swing Lows:
which ones actually matter?
A swing high is a turning point where price stops rising and turns lower; a swing low is where price stops falling and turns higher. The difficult part is deciding which swings are significant enough to define the structure you are analysing.
Quick answer
How do you identify a swing high or swing low?
Look for a clear change of direction. A swing high is surrounded by lower prices after price has risen into it. A swing low is surrounded by higher prices after price has fallen into it. The larger and more obvious the reaction away from the point, the more significant that swing may be for the structure you are studying.
The hierarchy
Why does every chart contain multiple levels of swings?
A daily chart might show a major rise from $1.00 to $1.50, a pullback to $1.30 and another advance to $1.70. Inside that move, the hourly chart may contain dozens of smaller rises and falls.
Both sets of swings are real. They simply belong to different levels of structure.
This is why two traders can mark the same chart differently without either necessarily being careless: one may be studying the dominant swings while the other is studying internal structure.
Significance
Which swing points matter most?
Clear reaction
The more decisively price moves away from a turning point, the more visible that swing becomes.
Structural consequence
A swing that later becomes the reference point for a higher low, lower high or breakout often matters more than a tiny pause.
Timeframe relevance
A swing should be judged relative to the timeframe you are analysing. An important five-minute swing may be invisible on a daily chart.
Repeated attention
Areas where price repeatedly turns can become useful structural reference zones, even when the exact highs or lows differ slightly.
Distance and duration
Larger moves that unfold over meaningful time usually carry more structural weight than a one-candle wobble.
A practical rule
Do not label every candle.
If your chart ends up covered in HH, HL, LH and LL labels on every tiny move, you are probably analysing noise rather than useful structure.
Start with the most obvious turning points. Once the larger structure is clear, zoom in only if smaller internal swings are relevant to the question you are trying to answer.
Consistency
How do you reduce subjectivity when marking swings?
You can use a mechanical rule. For example, some methods require a high to exceed a fixed number of candles on either side, a minimum percentage move away from the turning point or a volatility-based threshold.
No rule is perfect. The advantage of a fixed rule is not that it discovers the “true” swing. It prevents you from quietly changing the definition after you already know what happened next.
A useful test
Ask what would change if you removed the swing.
If ignoring a tiny turning point leaves your description of the chart unchanged, it may not be important to the structure you are analysing. If removing a swing changes an uptrend into a range, changes the location of a structural break or changes the invalidation point, it probably deserves more attention.
Swing points FAQ
Quick answers
Is every local high a swing high?
Technically many local peaks can be called swings, but not every small peak is useful for the level of market structure you are analysing.
Can traders disagree on swing points?
Yes. Different timeframes and different significance rules can produce different valid swing maps.
Should I use wicks or closes to mark swing highs?
Either can be used if your method defines it consistently. Wicks record the extreme traded price; closes can be used when you want to focus on where the period finished.
What makes a swing significant?
Usually the size of the reaction, its timeframe, its role in the broader sequence and what later price action does around it.
Important information: This page provides general educational content about market structure and technical analysis. It does not provide financial product advice or recommendations. Examples explain concepts and are not forecasts or recommendations about any ASX security.
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