hard · Volume Price Analysis

A trader sees price break above resistance and pull back to the broken level (now expected support) on declining volume, then resume upward — a classic polarity flip. Coulling's framework adds one decisive volume condition that distinguishes a TRADEABLE polarity flip from a failing one.

On the resumption bar that leaves the retested level, what must volume do for the flip to be trusted?

  1. Volume must EXPAND on the up resumption bar, confirming fresh demand stepped in at the retest; declining volume into the test plus rising volume out of it validates the flip
  2. Volume must stay LOW on the resumption bar too, because any volume increase signals supply re-entering and would invalidate the support that the level just established
  3. Volume is irrelevant on the resumption; the flip is confirmed purely by price holding above the old resistance, since polarity is a structural, not a volume, phenomenon
  4. Volume must be highest on the retest bar itself, not the resumption, because the test is where buyers must prove themselves before price can leave the level

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