Ad Fatigue (Auction Decay)
What is Ad Fatigue (Auction Decay)?
Ad fatigue is auction-level decay: overlapping audiences see the same creative footprint until marginal CPA rises. Hook rate falling versus your baseline often shows up before CPA. Fresh structural variants (not minor tweaks) reset the signal. Compare to your own baseline, same account, same window. Cite the formula. Omit invented 2026 league tables. eonik never spends.
What is Ad Fatigue (Auction Decay)?
Ad fatigue is auction-level decay: overlapping audiences see the same creative footprint until marginal CPA rises. Hook rate falling versus your baseline often shows up before CPA. Fresh structural variants (not minor tweaks) reset the signal. Compare to your own baseline, same account, same window. Cite the formula. Omit invented 2026 league tables. eonik never spends.
This term defers to the pillar guide. Formulas, how to read them, what to make next:
Read the canonical guideTweak vs new structure
| Refresh | Usually | Better when tired |
|---|---|---|
| LUT / crop | Same footprint | Rarely resets fatigue |
| New opening, locked body | Isolatable | The operator move |
| Full reshoot | Expensive | When the concept itself is dead |
How to use it in eonik
Monitor hook rate week-over-week and frequency trend. Ship structural variants before ROAS drops. Throughput beats guessing. There is no official frequency kill line.
What usually breaks
- Waiting for ROAS to drop before reading hook rate.
- Asking software to pause spend.
FAQ
What is Ad Fatigue (Auction Decay)?
Ad fatigue is auction-level decay: overlapping audiences see the same creative footprint until marginal CPA rises. Hook rate falling versus your baseline often shows up before CPA. Fresh structural variants (not minor tweaks) reset the signal. Compare to your own baseline, same account, same window. Cite the formula. Omit invented 2026 league tables. eonik never spends.
How do performance teams apply Ad Fatigue (Auction Decay)?
Monitor hook rate week-over-week and frequency trend. Ship structural variants before ROAS drops. Throughput beats guessing. There is no official frequency kill line. Compare to your own baseline, same account, same window. Cite the formula. Omit invented 2026 league tables. eonik never spends.
Does eonik publish a league table for Ad Fatigue (Auction Decay)?
No. There is no official eonik or Meta league table for Ad Fatigue (Auction Decay). Compare variants in the same account and window. Cite the formula; omit invented 2026 “good” percentages. Compare to your own baseline, same account, same window. Cite the formula. Omit invented 2026 league tables. eonik never spends.
Sources
Free, no card · macOS 15+ · Apple silicon