Auction Decay
What is Auction Decay?
Auction decay occurs when Meta or TikTok expands delivery beyond the highest-intent cohort into colder pools. Hook rate often slips versus the same asset’s launch window, CPC rises, and contribution can compress. Timing is account-specific, not a published half-life. Read it against your own account. eonik is a Mac app for ads: consider what to make next, then the on-brand cut. You approve. It never spends.

What is Auction Decay?
Auction decay occurs when Meta or TikTok expands delivery beyond the highest-intent cohort into colder pools. Hook rate often slips versus the same asset’s launch window, CPC rises, and contribution can compress. Timing is account-specific, not a published half-life. Read it against your own account. eonik is a Mac app for ads: consider what to make next, then the on-brand cut. You approve. It never spends.
This term defers to the pillar guide. Formulas, how to read them, what to make next:
Read the canonical guide →Where it shows up in a test
Introduce net-new structural assets before decay curves inflect. Velocity (not bid tweaks) resets the auction signal.
How to use it in eonik
Introduce net-new structural assets before decay curves inflect. Velocity (not bid tweaks) resets the auction signal.
What usually breaks
- Inventing a published Auction Decay benchmark.
- Treating the glossary as a spend rule.
- Skipping the pillar guide when one exists.
FAQ
What is Auction Decay?
Auction decay occurs when Meta or TikTok expands delivery beyond the highest-intent cohort into colder pools. Hook rate often slips versus the same asset’s launch window, CPC rises, and contribution can compress. Timing is account-specific, not a published half-life. eonik is a Mac app for ads. You approve every cut. It never spends. Download for Mac when assembly is the gap.
How do performance teams apply Auction Decay?
Introduce net-new structural assets before decay curves inflect. Velocity (not bid tweaks) resets the auction signal. Isolate one variable. Compare to your baseline, not a published benchmark. eonik is a Mac app for ads. You approve every cut. It never spends. Download for Mac when assembly is the gap.
Does eonik publish a Auction Decay benchmark?
No. There is no official eonik or Meta league table for Auction Decay. Compare variants in the same account and window. eonik is a Mac app for ads. You approve every cut. It never spends. Download for Mac when assembly is the gap.
Free, no card · macOS 15+ · Apple silicon