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Measurement

Why Your Platform ROAS Is Lying to You (and What to Measure Instead)

Legendary Editorial·7 min read

Reported ROAS is not causal ROAS. Here's how to tell them apart — and what to do about it.

This article is part of the launch slate for The Legendary Magazine — our editorial arm for teardowns, frameworks, and first-party benchmarks in performance marketing. Full long-form is being commissioned; join The Legendary Brief to be notified when it publishes.

Key takeaways
  • · Platform ROAS is reported, not causal.
  • · MMM, MTA, and incrementality are complementary lenses.
  • · Creative velocity is the last remaining performance lever.

Read the underlying methodology in The Legendary Performance Engine™, or subscribe to the newsletter for the next issue.

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