Procurement & Supply Chain / Inventory Management
Backorder Rate ~ (aliases: stockout rate, out-of-stock rate OOS, backlog rate, unfilled demand rate)
How much demand you couldn't fill on time and had to backorder, or lost outright.
The fork, why two teams get different numbers
What you count, and against what base.
In the Metric Library
- The full fork, both definitions worked all the way through
- The trap that makes the number lie, on a real export
- Every formula variant, spelled out
- The reconciliation anchor, what to tie it to and when to refuse
Reference: APICS/SCOR · ISM