All markets · 90-day comparable periods
Empty time buckets are shown as zero and retain their sample size; they are not interpolated by AI.
These are the records counted in the current prevalence numerator.
Elias North
Inspect evidenceBeth Arden
Inspect evidenceLeah Marr
Inspect evidenceRachel Stone
Inspect evidenceTess Ward
Inspect evidenceCal Dean
Inspect evidenceWater increased from 0% to 23.1% across comparable 90-day windows, a 23.1 percentage-point upward movement. The feature currently appears in 4 tracked market segments.
Amazon New Releases has the highest current prevalence at 33.3% (2 of 6), while Amazon Bestsellers is lowest at 12.5% (1 of 8).
Inspect the matching covers alongside non-matching covers from the same source types. Look for whether water co-occurs with particular typography, imagery, colour, or subgenre choices before treating this as a durable convention.
Current window: 6 matching covers from a sample of 26.
Previous window: 0 matching covers from a sample of 0.
23.1 percentage points of measured upward movement.