Insights · Scaling Playbook

Lookalike Stack Exhausted? Cold Broad as a Second Stage

When lookalikes stop scaling and how to systematically set up cold broad.

7 min read·May 6, 2025·4P Editorial · Performance Team
Lookalike Stack Exhausted? Cold Broad as a Second Stage
TL;DR
  • Lookalike scaling hits a plateau at around 120k EUR/month
  • Cold broad is the next stage, with its own setup logic
  • Creative volume is the prerequisite for cold broad, not audience targeting
  • The transition from ABO to CBO is possible immediately with cold broad
Cold Broad · Stage 2
Lookalike > Cold Broad.
Scaling path across 14 DTC accounts Q4 2025 through Q1 2026.

When Lookalikes Are Exhausted

Symptom 1: ROAS drops despite audience refresh. Symptom 2: CPM stagnates or rises. Symptom 3: scaling jumps no longer work. Diagnosis: lookalike pool exhausted because audience size cannot keep up with scaling speed.

01
120k EUR
Lookalike Plateau: Average
02
+312%
Spend with Cold Broad Post-Plateau
03
32+
Hooks/Month: Cold Broad Requirement

Cold Broad Setup

  • Audience: country + gender + age, otherwise completely open
  • CBO with cost cap at 80% of target CPA
  • Minimum 32 hook variations in the pool as a prerequisite
  • Daily pacing with a maximum +20% jump per day
  • Server-side tracking with Event Match Quality above 8.0 as mandatory
Example

An athleisure brand scaled from 80k EUR lookalike to 500k EUR cold broad in 16 weeks without a ROAS drop. Cold broad accounted for 68% of spend.

Why Creative Volume Is the Key Factor

Cold broad without a broad hook library does not work. The audience is wider, so you need more hook variants to reach different audience clusters. 32 hooks per month is the minimum; 60+ is the scaling standard.

Cold broad is not an audience choice. It is a hook pipeline.

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