Confirmed: re-prioritizing PMP deals over open auction added 10%

Confirmed: re-prioritizing PMP deals over open auction added 10%
A publisher's high-value PMP deals were losing to open-auction line items in GAM.
— Deals priced at $25 were beaten by aggressive open-market bids at lower true value
— They raised PMP line item priority above open programmatic
— Trusted buyers now win their committed inventory first
PMP revenue share rose 10% and key buyers stopped complaining about deal under-delivery.
Impact: If PMP loses to open auction in your stack, your priority tiers are inverted.
Confidence: sourced