Programmatic & Buying

CPM (Cost per Mille) (CPM)

The price for one thousand impressions — the standard currency for buying DOOH. Impressions are the basis of any CPM-based transaction.

Also known as: cost per thousand, CPM

Source: IAB DOOH Metrics Glossary

Related terms

Impression A counted exposure of an ad to a person. In DOOH it is the foundational unit of currency, but the exact definition varies by standard — from a raw play, to an opportunity-to-see, to a viewability-qualified audience impression. Floor Price The minimum CPM a media owner will accept for an impression in a programmatic auction. Bids below the floor are rejected.