Support is a price area where buyers have repeatedly stepped in and absorbed selling, slowing or reversing a decline. It is best treated as a zone rather than a single line, because real orders are dispersed across prices and wicks routinely overshoot.
How it works
Support forms where past buying absorbed selling: price decelerated, left lower wicks, or reversed. When price returns to that band, the same reaction may occur again.
Support is judged by closes, not wicks. A wick through the level is a test; consecutive closes below the zone are evidence the support has failed.
Why it matters
Support gives a trade a place to define risk: the stop goes below the zone, and the idea is invalidated when the zone breaks on closes.
Treating support as a zone prevents panic exits when a wick pokes through the level and the market immediately rallies.
A simple market example
A stock repeatedly finds buying near $50 over several weeks, leaving long lower wicks each time. Price is still rising in a wider trend, so a trader treats $50 as a support zone and puts a stop just below it, rather than expecting a precise bounce at exactly $50.
Common mistakes
Drawing support as a single precise line and panic-exiting when a wick dips below it.
Assuming support guarantees a bounce. It only marks where buying happened before; it can always fail.
Frequently asked questions
How is support different from resistance?
Support is where buying has absorbed selling on the way down; resistance is where selling has absorbed buying on the way up.
Does support become resistance when broken?
Often, yes. After a confirmed break, old support frequently flips and acts as resistance on the retest.
How many touches make support reliable?
There is no fixed number. Repeated reactions with meaningful volume and relevance to the structure matter more than a count.
Educational content only. Definitions describe common market usage and may vary by jurisdiction, instrument, or institution.