Cost Cap
meta-specificCost Cap Bidding
Definition
A bidding strategy that tells Meta the maximum amount you want to pay for a conversion while maximizing volume.
How to Calculate Cost Cap
Set Maximum CPA Target
Example
Scenario: Setting cost cap at $45 when historical CPA is $50
Calculation: Meta will optimize to stay at or below $45 CPA
What's a Good Cost Cap?
Set cost cap 10-20% below current CPA to drive efficiency improvements
Common Mistakes
- Setting cost cap too low and limiting delivery
- Not adjusting cost cap as performance improves
💡 Expert Tip
Start with cost cap 10% below current CPA, then gradually lower as algorithm learns. Monitor delivery volume closely.
— Based on $100M+ in managed ad spend
Related Terms
By Kristijan Arapov • Based on $100M+ in managed ad spend • Updated 2026