PMP Deals in DV360: A Practical Guide to Private Marketplace Buying

What Is a PMP in DV360?

A Private Marketplace (PMP) is an invitation-only auction where a publisher offers curated inventory to selected buyers through a Deal ID. In Display & Video 360, PMP deals sit between the wide-open reach of the open auction and the locked-in certainty of Programmatic Guaranteed. They give you access to premium, brand-safe placements without committing to fixed volumes upfront.

For media teams that have outgrown open-auction buying but aren't ready for reservation-style commitments, PMPs are often the sweet spot: better inventory quality, negotiated pricing, and priority access — all while retaining the flexibility of auction dynamics.

Where PMP fits among DV360 deal types

DV360 supports several inventory pathways. Understanding how they differ helps you choose the right one for each campaign objective.

Deal type	Pricing	Volume commitment	Auction dynamic	Typical use case
Open Auction	Real-time bid	None	Fully competitive	Scale, prospecting, efficiency
Private Auction (PMP)	Floor price, you bid above	None	Invite-only competition	Premium reach with flexibility
Preferred Deal	Fixed CPM, first look	None	One-to-one, non-guaranteed	Curated inventory, first refusal
Programmatic Guaranteed	Fixed CPM	Reserved volume	No auction	Guaranteed premium placements

Preferred Deals and Private Auctions are both commonly grouped under the "PMP" umbrella, while Programmatic Guaranteed (PG) is treated as a reservation buy.

Why Advertisers Use PMP Deals

PMPs solve several problems that open-auction buying can struggle with:

• Inventory quality — access to premium, viewable, above-the-fold placements that publishers reserve for trusted buyers.
• Brand safety — curated environments reduce exposure to low-quality or unsuitable content. See our approach to protecting spend on the services page.
• First-party data alignment — publishers can layer their audience segments onto a deal, matching your targeting without third-party cookies.
• Priority access — deals typically win over open-auction bids at the same price, giving you a competitive edge for sought-after impressions.
• Pricing transparency — negotiated floors or fixed rates make forecasting and pacing more predictable.

As signal loss reshapes targeting, PMPs have become a practical way to reach quality audiences within publisher-controlled, consented environments.

How PMP Deals Work in DV360

The Deal ID lifecycle

Every PMP starts with a negotiation between advertiser (or agency) and publisher. Once terms are agreed, the publisher's supply-side platform (SSP) generates a Deal ID and targets it to your DV360 seat. From there:

1. The deal appears in your DV360 Inventory > Deals library, usually within minutes to hours after the publisher pushes it.
2. You review and accept the deal, confirming the negotiated terms.
3. You attach the deal to one or more line items.
4. DV360 begins bidding into the deal according to your line-item settings and budget.

Assigning deals to line items

A single line item can target multiple deals, and a single deal can be used across multiple line items. Best practice is to keep deal-based line items separate from open-auction line items so that pacing, bidding and reporting stay clean. Mixing the two makes it far harder to diagnose delivery issues.

Setting Up a PMP Deal: Step by Step

1. Negotiate terms with the publisher: inventory type, floor or fixed CPM, deal duration, and any audience or format constraints.
2. Confirm your DV360 seat and partner/advertiser ID so the publisher targets the deal correctly. A mismatch here is the single most common reason deals never show up.
3. Accept the deal in the Deals library and verify the pricing type (fixed vs. floor) and buyer status.
4. Create a dedicated line item, choosing the correct bidding strategy — fixed bid for Preferred Deals, or an automated/fixed strategy for Private Auctions.
5. Layer targeting carefully. Over-targeting a PMP with additional geo, audience and device filters can shrink available impressions to almost nothing. Start broad, then refine.
6. Set frequency caps and pacing aligned to the deal's expected volume.
7. Launch and monitor closely in the first 48–72 hours.

Common PMP Troubleshooting in DV360

Deals not delivering is a familiar frustration. Work through these checks in order:

• Deal status — Is it active and accepted? Expired or paused deals silently stop delivering.
• Buyer/seat mismatch — Confirm the publisher targeted the correct DV360 partner ID.
• Bid vs. floor — For Private Auctions, your bid must clear the floor. For fixed-price deals, ensure your bid matches the agreed CPM.
• Over-targeting — Remove restrictive layers temporarily to see if impressions become available.
• Budget and pacing — A line item that's daily-capped or under-funded won't compete effectively.
• Creative eligibility — Wrong sizes, formats or unapproved creatives disqualify you from the deal.
• Time zone and flight dates — Confirm the deal window overlaps with your line-item flight.

If a deal still won't spend after these checks, the issue is often on the supply side — the publisher may need to re-push or adjust the deal. Our team troubleshoots these daily through our DV360 managed services.

PMP vs. Programmatic Guaranteed: Which to Choose?

Choose a PMP (Private Auction or Preferred Deal) when you want premium quality but need flexibility on volume and want to retain some auction leverage. It suits always-on campaigns, testing new publishers, and performance-oriented buys where you still care about efficiency.

Choose Programmatic Guaranteed when placements are non-negotiable — high-impact homepage takeovers, guaranteed CTV slots, or reserved share-of-voice around a key moment. PG removes auction uncertainty at the cost of flexibility.

Many sophisticated buyers run a portfolio: PG for guaranteed hero placements, PMP for curated scale, and open auction for efficient reach and prospecting.

Best Practices for Scaling PMP Buying

• Build a deal library, not one-off deals. Maintain relationships with a core set of publishers so you can activate curated inventory quickly.
• Standardise naming conventions for deals and line items so reporting stays legible as volume grows.
• Benchmark deal performance against open auction — measure viewability, completion rates and cost per outcome, not just CPM.
• Revisit floors regularly. Negotiated pricing should reflect actual performance and competitive dynamics.
• Consolidate reporting so stakeholders see PMP contribution within the wider media mix. Strong measurement discipline is central to how we run accounts.

A note on team structure

PMP negotiation, setup and optimisation demands both platform fluency and publisher relationships. Some teams run this entirely in-house on a self-serve account; others prefer a co-managed model where specialists handle deal operations while the brand keeps strategic control. There's no single right answer — it depends on your team's bandwidth and expertise.

Bringing It Together

PMP deals let you buy premium, brand-safe inventory with more control than the open auction and more flexibility than reservation buys. Success comes down to disciplined setup, clean account structure, methodical troubleshooting and a portfolio approach that blends PMP, PG and open-auction buying to match each objective.

If your PMP deals aren't delivering, or you want to build a curated deal strategy that scales, our DV360 specialists can help you negotiate, set up and optimise deal-based buying end to end. Talk to a DV360 expert and we'll review your current setup and map the fastest path to results.