What the divergence measures
Participation percentile at successive extremes: this high's activity versus the prior high's. Falling engagement means the marginal extreme attracted fewer participants, fuel thinning, chase fatigue, the crowd increasingly already positioned. That is real information about fragility, in the same family as the CVD divergence read, and it deserves recording.
Why it cannot time
Thinning fuel says nothing about when opposition arrives; low-participation trends persist precisely because nobody opposes them either. Divergences resolve two ways, reversal or refuel, and the flag cannot distinguish them. Every trader who shorted an uptrend on volume divergence alone has funded several weeks of that uptrend.
The calibrated use
Treat divergence as a standing-caution state, not an event: while flagged, tighten trailing on with-trend positions, demand more from fresh continuation entries, and elevate attention on counter-structure at major levels, where divergence plus a sweep plus a structure shift assembles into an actual reversal case. Divergence contributes the fragility clause to that sentence; it never speaks alone.
FAQ
How many divergent highs before a reversal?
No stable number exists; trends have printed half a dozen and kept going. The count measures persistence of the question, not proximity of the answer.
Should I exit longs on volume divergence?
Tightening management is proportionate; wholesale exits on the flag alone historically leave money on the table. Let structure decide exits.
Does rising volume confirm a trend?
Broadly yes: expanding participation on extensions is the healthy signature. Its absence is caution, not contradiction.
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