Why it matters
Why supply zone matters to traders
Supply zones can add context to resistance by asking where a forceful decline began rather than only where price later rejected. That can be useful for mapping pullbacks inside broader bearish structure.
Practical use
How traders use it
Identify a meaningful drop from a base, assess whether it changed or continued structure, define the zone with a repeatable rule, and wait for evidence if price returns. The zone should sit inside a larger trading plan, not replace one.
Common mistake
What to avoid
It is easy to draw a rectangle around every bearish candle and call it supply. The label only becomes useful when the method for selecting zones is consistent and tested.
Use the concept, not the label
Trading terminology is useful only when it improves a repeatable process. Define the concept clearly, test how you use it, pair it with risk management, and avoid turning chart language into certainty about what the market must do next.