Advance-decline gaps that deserve a pause
Three patterns where market breadth diverges from index price — and why a pause can be more useful than a forced conviction.
An index can climb while the advance-decline line softens. That gap does not dictate a trade by itself. It does ask whether new buying is concentrated.
Pattern one: new highs, softer participation
Fewer names make new highs even as the benchmark prints them. Leadership narrows. Adding risk here means accepting that a small set of names must keep carrying the load.
Pattern two: repair after a flush
After a sharp sell-off, breadth can heal before price fully recovers. That sequence sometimes argues for patience rather than chasing the first bounce in the most visible leaders.
Pattern three: sector-internal divergence
A sector ETF looks calm while half its constituents trend lower. Relative strength at group level can mask a messy interior. Opening the list matters before you overweight the label.
A Market Breadth Review is the shorter format we use when the question is participation, not a full rotation map.