Yield group reporting

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The Yield group report dimensions and metrics help you understand how Open Bidding and mediation for mobile apps are performing.

Measure Open Bidding performance

See performance by exchange
Use the Yield partner dimension combined with the yield group metrics, listed below.
See performance by targeting bucket
Add the Yield group dimension to see detailed information on total impressions, revenue, bid details, and more related to Ad Exchange and third party exchanges.

See how buyers accessed your inventory
Add the Demand Channel dimension to see whether buyers accessed your inventory via Open Bidding, Mediation, Ad server, or Ad Exchange.
Separate Open Bidding and First Look impressions
Add the "Is First Look is False" filter to your report. Note that Open Bidding partners do not transact on First Look.

Avoid double-counting impressions
Do not sum the Yield group metric totals with totals from other metric groups. If you want to see all Ad Exchange impressions, for example, use the Total impressions metric with the Demand channel and Yield partner dimensions.

The Ad Exchange metrics contain all transactions from Ad Exchange line items, First Look, and Yield groups. Use the Yield group impressions metric with the Yield partner dimension to see how Ad Exchange transacted as part of an Ad Manager yield group in Open Bidding or mediation.

Learn more about how to report on Ad Exchange in Ad Manager.

Common issues

Callouts in my reports appear lower than expected

The yield group callouts report metric might be affected by a few issues, including:

Exchange quotas, which regulate how many requests they want to receive from Ad Manager, or the exchange's pretargeting configuration.
Native creative requests, which aren't supported by all exchanges.
If you monetize through programmatic native, make sure your Ad Exchange native line item targets both banners and native sizes. Use the "Automatically generate creative" to create one creative targeting banner and native sizes.

My third-party exchange and Ad Manager report totals don't match

The most common reason for discrepancies is that the reports aren't comparing the same data:

Reports use different time zones.
Yield group targeting overlaps, so metrics are represented more than once. Learn more about how to avoid double-counting report totals.
Reports use different impression counting or filtration methodologies. Learn more about counting impressions and clicks.

See the "Callouts in reporting appear lower than expected" section above and the third-party discrepancies guide for more troubleshooting tips.

Billing and payments for Open Bidding are based on Ad Manager report totals.

Yield group dimensions and metrics

Filter this table by keyword, or narrow the results to only display dimensions or metrics.

Name and description	Report type and metric category
Demand Channel Displays the method buyers used to access your inventory. This helps you report across your entire network. Ad Exchange (includes First look) AdSense Ad server (direct-sold line items) Mediation Open Bidding Header Bidding SDK Bidding	Historical, Reach Delivery, Looker Studio Connector
Yield group Name of the group of ad networks or exchanges, called a yield group, used for Mediation and Open Bidding. Note: This dimension can return a "Not applicable" value when requests are eligible for Open Bidding, but no Open Bidding partners actually bid. Impressions, clicks, revenue, and other metrics can appear in multiple report rows.	Historical, Technical ad delivery ^(Beta) Delivery, Looker Studio Connector
Yield partner Name of the "Ad network" company within a yield group. Learn more about yield partners. The value "(Not applicable)" may be returned for Yield Partner. This occurs when a request that is eligible for Open Bidding receives no bids from Open Bidding partners.	Historical, Technical ad delivery ^(Beta) Delivery
Yield partner tag Name of a yield partner in a yield group, including the yield group name and "Ad source ID" value. Example: "MyYieldGroup-MyYieldPartner ID: 123456789". For Ad Exchange, the value "Ad Exchange" is displayed. Note that metrics for the "Ad Exchange" yield partner tag are counted once for each applicable yield group Ad Exchange is part of. Only applies to Mediation; not Open Bidding.	Historical Delivery, Looker Studio Connector
Yield partner type ^(Deprecated) Mediation attributes for a yield partner. Possible values include: Mediation, Open Bidding, or Ad Exchange. This dimension is deprecated. Use Demand Channel, instead.	Historical Yield group, Looker Studio Connector
Yield group impressions Number of matched yield group requests where a yield partner delivered their ad to publisher inventory. Desktop and mobile web For Ad Exchange and Open Bidding buyers, an impression is counted when the ad is downloaded on the publisher’s page, but not necessarily when it becomes viewable. Learn more about downloaded impressions in data transfer. Mobile apps Banner format: For mediated ad networks, Ad Exchange, and Open Bidding buyers, an impression is counted when one or more pixels of the ad creative is visible on a device's screen. Learn more about changing to mobile app impression counting. Interstitial format: An impression is counted when the ad is displayed in the publisher’s app.	Historical Yield group
Yield group estimated CPM The estimated net rate for yield groups or individual yield group partners. For Open Bidding buyers and for Ad Exchange, this value is based upon the actual, real-time CPM bid. For Mediation yield group partners, this value is based upon the CPM bid estimate used by Ad Manager when positioning buyers within the Mediation chain. If automatic data collection is enabled, this value reflects a combination of the "Default CPM" values and the average CPM collected by Ad Manager, adjusted for impression discrepancies with Ad Manager recorded impressions. Otherwise, the "Default CPM" value, defined by the publisher when trafficking a yield group, is used.	Historical Yield group
Yield group estimated revenue Total net revenue earned by a yield group, based upon the yield group estimated CPM and yield group impressions recorded. This revenue already excludes Google revenue share. Formula: Yield group estimated CPM × Impressions ∕ 1000	Historical Yield group
Yield group callouts Number of times a yield partner is asked to return bid to fill a yield group request. Only applies to Open Bidding; not Mediation. This data is available for 45 days after the event. This report metric can be affected by exchange quotas, which regulate how many requests they want to receive from Ad Manager, or the exchange's pretargeting configuration. Because video pods can lead to multiple bid requests sent to third-party buyers, publishers shouldn't expect these values to match the available impressions values for third-party buyers.	Historical Yield group
Yield group successful responses Number of times a yield group buyer successfully returned a bid in response to a yield group callout, even if that response is "no bids." Only applies to Open Bidding; not Mediation. This data is available for 45 days after the event.	Historical Yield group
Yield group bids Number of bids received from Open Bidding buyers, regardless of whether the returned bid competes in an auction.This number might be greater than Yield group callouts because a buyer can return multiple bids. Only applies to Open Bidding; not Mediation. This data is available for 45 days after the event.	Historical Yield group
Yield group bids in auction Number of bids received from Open Bidding buyers that competed in the auction. Some bids may be filtered out before the auction runs if the bidder's response omits required fields or contains a creative that violates Google's policies. Learn more about policies and enforcement. Only applies to Open Bidding; not Mediation. This data is available for 45 days after the event.	Historical Yield group
Yield group auctions won Number of winning bids received from Open Bidding buyers, even when the winning bid is placed at the end of a mediation for mobile apps chain. Only applies to Open Bidding; not Mediation. This data is available for 45 days after the event.	Historical Yield group
Mediation fill rate Formula: Mediation chain impressions ∕ (Mediation chain impressions + Mediation passbacks) Mediation chain impressions refer to impressions served using a Mediation chain. Value is "Unavailable" when no impressions or passbacks have served. Learn more about mediation.	Historical Mediation chain
Mediation passbacks Passbacks are counted when an ad network is given a chance to serve but does not deliver an ad, and Ad Manager Mediation moves on to the next ad network in the mediation chain. This metric is counted when the mobile client pings Ad Manager that an ad network passed back. The ping is occasionally delayed or lost. Learn more about mediation.	Historical Mediation chain
Mediation third-party eCPM Revenue per thousand impressions based on data collected by Ad Manager from third-party ad network reports. Displays zero if data collection is not enabled. Formula: (Third-party earnings ∕ Third-party impressions) × 1000 Learn more about mediation	Historical Yield group
Mediation chains served Total requests where a Mediation chain was served, even if none of the ad networks delivered an ad. Note that in Reporting we define a Mediation chain as a response to a GMA SDK request with: At least one third-party ad tag, or At least one mobile fallback ad tag Learn more about mediation.	Historical Mediation chain
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