PricingDownload

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.

Abinash·June 9, 2026·Updated August 13, 2026
Film strips laid toward a finished vertical frame

Testing cluster

Pillar: Creative testing math

  • Variant workflow
  • Hook rate
  • Hold rate
  • Ad fatigue
  • Creative velocity
  • UGC framework
  • How to read Meta metrics
  • Limited-budget tests
  • Programmatic creative

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.

Download for Mac

Free, no card · macOS 15+ · Apple silicon

eonik

Finished, on-brand ads without the busywork.

Product

  • Download for Mac
  • Pricing
  • Chrome extension
  • Ad library

Knowledge

  • Learn
  • Blog
  • Glossary
  • Compare

Company

  • About
  • Sign in
  • connect@eonik.ai
PrivacyTerms

© 2026 eonik. All rights reserved.