Intelligence
Silhouette
All markets · 7-day comparable periods
points
Observed prevalence
Empty time buckets are shown as zero and retain their sample size; they are not interpolated by AI.
Source breakdown
0 matching covers.
These are the records counted in the current prevalence numerator.
No covers match this tag in the selected current period.
What it may mean.
Silhouette decreased from 50% to 0% across comparable 7-day windows, a 50 percentage-point downward movement. The current matches are concentrated in a single tracked segment.
Amazon Bestsellers has the highest current prevalence at 0% (0 of 2), while Amazon New Releases is lowest at 0% (0 of 2).
Inspect the matching covers alongside non-matching covers from the same source types. Look for whether silhouette co-occurs with particular typography, imagery, colour, or subgenre choices before treating this as a durable convention.
Current window: 0 matching covers from a sample of 4.
Previous window: 1 matching covers from a sample of 2.
50 percentage points of measured downward movement.