Payback month

Finance engine excl. VAT after refunds core

The first month after acquisition in which cumulative margin per customer reaches the cohort CAC. Null = not yet.

Formula

min(month: cumulative margin ≥ CAC)

Where the AI finds it

get_cohorts → cohorts.*.payback_month

How it is verified

Calculation checked against hand-computed values · MT-33 · CohortService::cohorts

Ask it like this

For [store], show payback month for the cohorts of the last 12 months (get_cohorts).

Can be broken down by

First observed purchase monthget_cohorts

Used in prompts

How long until a customer pays back acquisition?

From the same tool

First-observed customers per cohortcohort_first_observed Cohort repeat ratecohort_repeat_pct Cumulative gross margin per customercohort_margin_per_customer Cohort blended CACcohort_cac Margin per customer ÷ CACmargin_to_cac

Connect Claude or ChatGPT to seenly.ad and ask for this figure on your store, for any period, with its basis and verdict.

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