marketing spend dropped on 2026-08-30
ANOMALY open score 53 · confidence 60% · effort low
Observed
32 on 2026-08-30 vs a weekday-adjusted trailing-28-day median of 48 (robust z -7.2), single-day extreme.
Judgement
Check the business calendar for a matching change (ad edit, site release, holiday) and annotate it; if none, investigate the source.
Why am I seeing this?
- Metric
- MARKETING_SPEND
- Value
- £0.00
- Baseline
- 48.37227103138344
- Window
- 29 Aug 2026 – 11 Sept 2026
- Comparison
- previous 14 days
- Source
- Google Ads
- Confidence
- 60% — from the volume of evidence behind the finding
- Computed
- 14 Sept 2026
Assign
Evidence
The rows the finding was computed from.
date: 2026-08-30
expected: 48.37227103138344
z: -7.2
direction: down
reason: 32 on 2026-08-30 vs a weekday-adjusted trailing-28-day median of 48 (robust z -7.2), single-day extreme.