A curated subset of programmatic inventory, accessible by invitation. Publishers offer PMP deals to buyers they want to work with directly, usually at higher floor prices than open auction. The inventory quality tends to be better. The targeting parameters are negotiable. The transparency is meaningfully higher than open exchange. PMPs are worth the premium when the inventory is genuinely differentiated. Ask for a placement report before you assume it is.
Ad tech glossary
PMP (Private Marketplace)
Technical definition
An invitation-only marketplace where select publishers make their ad inventory available to specific buyers through programmatic channels.
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