> For the complete documentation index, see [llms.txt](https://help.daasity.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.daasity.com/core-concepts/metrics/retail-and-wholesale-metrics/wholesale-promotion/promo-roi-per-case.md).

# Promo ROI per Case

**Description:** Incremental dollars earned per case sold during a promotion.

**Formula:** *(Incremental $ ÷ Promo Volume in Cases)*

**SQL Calculation:**

sql

```sql
(SUM(incremental_dollars) / NULLIF(SUM(promo_cases),0)) AS promo_roi_per_case
```

**Why It Matters:** Provides a simple per-case efficiency benchmark for trade promotions.

**Metric Type:** Diagnostic

**Essence:** Lagging

**Frequency:** Per Promo Event

**Units:** Dollars ($/case)

**Suggested Breakdowns:** Product, Retailer, Promo Type

**Questions Answered:**

* How much incremental revenue per case did the promo deliver?
* Which promotions classify as strong vs weak?

**Potential Causes of Worsening:** Ineffective promotions, high baseline sales cannibalization, forward-buy by retailers.

**Tactics to Improve:**

* Optimize case allowances
* Target promos to drive trial
* Cap retailer forward-buy

**Related Metrics:**

* Incremental Sales
* ROI %
* Promo Performance Flag

**Related Explores:**

* Promotion ROI Explorer

**Related Sources:**

* Trade Spend BSD
* URMS