If you are creating a custom report using Reports in the Index UI, refer to the tables below for more information on the available fields and the data you can expect to receive for each.
Note: By default, all reporting data is in Standard settings (UTC and USD). In the Reporting time zone and currency drop-down, select Account settings to generate a report using the time zone and currency configured for your account. For more information about report settings, see Create a custom report.
Dimensions
Dimensions are qualitative categories that you can select to include in a report.
Time Unit category
| Field name | Description |
|---|---|
Day | Timestamp in the selected time zone, rounded down to the day. Note: Marketplace Partners can create reports in the time zone set in their account settings. Most account settings data will be available starting on January 4, 2026, but some billing data is only available starting on February 14, 2026. For more information, see Create a custom report. |
Hour | Timestamp in the selected time zone, rounded down to the hour. Note: Marketplace Partners can create reports in the time zone set in their account settings. Most account settings data will be available starting on January 4, 2026, but some billing data is only available starting on February 14, 2026. For more information, see Create a custom report. |
Month | Timestamp in the selected time zone, rounded down to the month. Note: Marketplace Partners can create reports in the time zone set in their account settings. Most account settings data will be available starting on January 4, 2026, but some billing data is only available starting on February 14, 2026. For more information, see Create a custom report. |
Delivery category
| Field name | Description |
|---|---|
Brand Name | The product or service being advertised. |
Buyer Name | The name of the buyer or agency associated with the bid. |
Buyer Seat ID | The ID of the buyer or agency associated with the bid. |
DSP Name | The DSP that represents multiple trading desks. |
Deals category
| Field name | Description |
|---|---|
Deal ID | A unique deal ID string that was created for this deal. Corresponds to
the OpenRTB |
Deal Name | The name given to the deal. |
Demand Channel | Specifies the channel that exchange traffic occurred on. The possible values are:
|
Impression Goal | The number of impressions that the buyer agreed to purchase for the programmatic guaranteed deal. Note:
|
Marketplace Targeted Deal ID | The internal Index deal ID targeted by a Marketplace Package on an impression. Note:
|
Marketplace Targeted Deal Name | The name of the deal targeted by a Marketplace Package on an impression. Note:
|
Spend Goal | The amount of ad spend that the buyer agreed to purchase for the programmatic guaranteed deal. Note:
|
Geography category
| Field name | Description |
|---|---|
Country | 2-character ISO country code of the location of the device.
|
Region | Geographical region. The possible values are:
|
Inventory category
| Field name | Description |
|---|---|
App Bundle | A platform-specific mobile application ID. Applicable when the Inventory
Channel is |
Browser | The name of the browser associated with this impression. The possible values for reports containing data before March 1, 2022 are:
The name of the browser associated with this impression. The possible values for reports containing data after March 1, 2022 are:
|
Creative Type | The type of ad being requested. The possible values for reports containing data before March 1, 2022 are:
The possible values for reports containing data after March 1, 2022 are:
|
Device Type | The type of device from which the impression originated. The possible values are:
|
Domain | The domain used in the bid request. Returns the top level domain with a public suffix. For example:
Similarly, a bid request made from Note: This dimension does not apply to
in-app traffic. |
Global Placement Identifier (GPID) | The Global Placement Identifier (GPID) is the Google Ad Manager ad unit code for the slot request. This code is defined by the Media Owner and passed to DSPs in OpenRTB bid requests. Not available for STV apps ad units. |
Inventory Channel | The environment through which the ad is shown. The possible values are:
|
Partner ID | Index Media Owner identifier. |
Partner Name | The Media Owner name. |
Rendered By | The party responsible for displaying the ad. The possible values are:
|
Site ID | Index site identifier. |
Site Name | The name of the site. |
Size | The size of the ad, in pixels, being requested.
Note: This metric should only be used in relation to impressions and ad spend and not for bid or slot cycle metrics. |
Supply Source | The integration type of the incoming request. The possible values are:
For more information about Index's integration options, see Integrating with Index. |
Transactions category
| Field name | Description |
|---|---|
Configured Take Rate | The configured Index percentage as a decimal from 0-1 of the transaction revenue applied at the time of the auction, before accounting for any savings programs. Calculation: 1 - Publisher Revenue Share Note: This field is only available when the Media Owners has opted to share revenue, otherwise the value is omitted. |
Privacy Sandbox category
| Field name | Description |
|---|---|
CMA Label | Info: Starting in June 2025, Index is pausing support for the Protected Audience API. As a result, this field will no longer generate new data. The CMA (Competition and Markets Authority) label associated with the request. A CMA label is used to identify which Chrome-facilitated testing mode the device sending the request is associated with. If the request does not include the CMA label:
The possible labels for Mode A traffic are:
The possible labels for Mode B traffic are:
For a CSV file that contains the CMA label to Mode mappings, see: CMA label mapping. For more information on Chrome testing modes, see Google's documentation on Chrome-facilitated testing. For more information on Index and Privacy Sandbox, see Use Google's Privacy Sandbox APIs with Index. |
Protected Audience Status | Info: Starting in June 2025, Index is pausing support for the Protected Audience API. As a result, this field will no longer generate new data. The Protected Audience status specifies how Index responded to an
incoming impression opportunity that is considered eligible for an
on-device Protected Audience auction. An impression is considered
eligible when the Media Owner sends a flag (
For more information on Index and Privacy Sandbox, see Use Google's Privacy Sandbox APIs with Index. |
Reporting Labels category
| Field name | Description |
|---|---|
Advertiser | The deal reporting label containing the name of the advertiser associated with the deal. The possible values are:
Note: This field is only available for Marketplace Partners. For more information about the deal reporting labels available when creating a Marketplace Package, see Create a Marketplace Package. |
Agency | The deal reporting label containing the name of the agency associated with the deal. The possible values are:
Note: This field is only available for Marketplace Partners. For more information about the deal reporting labels available when creating a Marketplace Package, see Create a Marketplace Package. |
Custom | The deal reporting label containing custom metadata associated with the deal. The possible values are:
Note: This field is only available for Marketplace Partners. For more information about the deal reporting labels available when creating a Marketplace Package, see Create a Marketplace Package. |
DSP ID Level 1 | The deal reporting label containing an identifier returned from a DSP when the deal is synchronized (for example, Order ID). If an ID is not returned from a DSP when the deal is synchronized, the other possible values are:
Note: This field is only available for Marketplace Partners . |
DSP ID Level 2 | The deal reporting label containing an identifier returned from a DSP when the deal is synchronized (for example, Product ID). If an ID is not returned from a DSP when the deal is synchronized, the other possible values are:
Note: This field is only available for Marketplace Partners . |
External Reference ID | The deal reporting label containing a unique identifier that an external record system uses to link with the deal. The possible values are:
Note: This field is only available for Marketplace Partners. For more information about the deal reporting labels available when creating a Marketplace Package, see Create a Marketplace Package. |
Salesperson | The deal reporting label containing the name of the salesperson associated with the deal. The possible values are:
Note: This field is only available for Marketplace Partners. For more information about the deal reporting labels available when creating a Marketplace Package, see Create a Marketplace Package. |
Segments category
| Field name | Description |
|---|---|
Index Segment ID | The Index-generated segment ID targeted by a deal on an impression. Note: This field is only available for Marketplace Partners and Media Owners. |
Is a Billed Segment | Specifies whether the segment was billed on an impression. The possible values are:
|
Is an Included Segment | Specifies whether the segment was used for inclusion or exclusion targeting on an impression. The possible values are:
Note: This field is only available for Marketplace Partners and Media Owners. |
Provider Name | The name of the data provider or data partner that supplied the segment data. Note: This field is only available for Marketplace Partners and Media Owners. |
Segment ID | The external ID of the segment as assigned by the data provider. This is
the segment ID used outside of the Index system, while the Note: This field is only available for Marketplace Partners and Media Owners. |
Segment Name | The name of the segment that was targeted by a deal on an impression. Note: This field is only available for Marketplace Partners and Media Owners. |
Segment Owner ID | The ID of the account that owns or provides the data for the segment matched on an impression. Note: This field is only available for Marketplace Partners and Media Owners. |
Segment Owner Name | The name of the account that owns or provides the data for the segment matched on an impression. Note: This field is only available for Marketplace Partners and Media Owners. |
Vendor ID | The Index identifier for the Marketplace Vendor participating in Index Marketplaces. Note: This field is only available for Marketplace Partners. |
Vendor Name | The name of the Marketplace Vendor who earned a fee for the data or services provided. Note: This field is only available for Marketplace Partners. |
Measures
Measures are quantitative values that you can select to run against your dimensions.
Bidding category
| Field name | Description |
|---|---|
Ad Server Win Rate | Rate of impressions served from the number of bids that were sent to the ad server. Calculation: Impressions / Bid Chosen |
Bid Below Floor | Count of bid responses received that was below the floor price set for the auction. |
Bid Below Floor Opportunity | Sum of bid prices from Bid Below Floor events. |
Bid Blocked | Count of bid requests that were blocked because of the Media Owner's creative settings. Note: For streaming TV, before March 18, 2026, if a valid ad pod request was filtered by an ad pod processing step such as bid shuffling or deduplication, it was logged under Bid Blocked. These requests are now logged under Bid Eligible. |
Bid Blocked Opportunity | Sum of bid prices from Bid Blocked events. |
Bid Chosen | Count of bids in a given auction that were submitted to the ad server as candidates to potentially win an impression. Note: Bid Chosen and Bid Eligible are mutually exclusive. |
Bid Chosen Opportunity | Sum of CPM bid prices from Bid Chosen events. |
Bid Eligible | Count of bid responses that had no blocks and were eligible to compete in the auction. Unlike Bid Chosen responses, eligible bids were not sent to the ad server, as they weren't the highest bid of a given auction, or they were filtered out by an ad pod processing step (such as bid shuffling or deduplication). Note: For streaming TV, before March 18, 2026, if a valid ad pod request was filtered by an ad pod processing step such as bid shuffling or deduplication, it was logged under Bid Blocked. These requests are now logged under Bid Eligible. |
Bid Eligible Opportunity | Sum of bid prices from Bid Eligible events. |
Bid Error | Count of times Index received a response containing an error from the bidder. |
Bid In Review | Count of times a bid response was received that contained a campaign that is currently waiting to be reviewed or audited. |
Bid In Review Opportunity | Sum of bid prices from Bid In Review events. |
Bid Pass | Count of times a bidder passed on a bid request. It's populated when there is a "no bid" response from a downstream partner. Note: This measure is estimated and extrapolated from sampled data. For more information, see How Index uses stratified sampling in reporting. |
Bid Request | Count of OpenRTB bid requests sent to a downstream partner (DSP or bidder) requesting a response for potential impressions. Note: This measure is estimated and extrapolated from sampled data. For more information, see How Index uses stratified sampling in reporting. |
Bid Timeout | Count of times a bid response was not received during the designated timeout window. It's populated when Index can determine that a partner timed out. |
Competing Bids | Total number of bids that were candidates to compete in the auction. Calculation: Bid Eligible + Bid Chosen |
DSP Bid Rate | The rate that Index received responses from the bid requests that Index sent. Calculation: (Bid in Review + Bid Blocked + Bid Eligible + Bid Chosen + Bid Below Floor + Bid Error) / Bid Requests |
Total Bid Opportunity | Sum of all Bid Opportunity responses + Ad Spend. |
Total Bids | Total number of bids, regardless of whether they were ever candidates to compete in an auction. Calculation: Bid In Review + Bid Blocked + Bid Eligible + Bid Chosen + Bid Below Floor + Bid Error |
Financial category
| Field name | Description |
|---|---|
Ad Spend | Gross revenue for the Media Owner before share. |
CPM | The cost per 1000 impressions. Calculation: sum (Ad Spend) / sum ( Impressions) * 1000 |
Discount Amount | The dollar amount that a Media Owner has discounted the final price of the deal transaction. The percentage discount is set by the Media Owner on the deal as a spend incentive. Bids with this deal setting compete as normal and the discount set by the Media Owner is applied upon auction win. |
eCPM | The net cost per 1000 impressions. Calculation: sum (Publisher Payment) / (Impressions) * 1000 |
Media Spend | The amount a buyer owes to Index for ad inventory purchased through the exchange. Note: This metric is deprecated, and the data will show as 0 in reports. |
Publisher Payment | The Media Owner's net revenue. Note: This field is only available when the Media Owner has opted to share revenue, otherwise the value is omitted. |
Marketplaces category
| Field name | Description |
|---|---|
Marketplace CPM | Marketplace Media Spend per 1000 marketplace impressions. The calculation is: (1000 x Marketplace Media Spend) / Marketplace Impressions Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Marketplace Index Fee | Index's portion of the Marketplace Total Fee. Note: As of April 24, 2025, the Marketplace Index Fee field has been deprecated. The feature to apply the Index fee at the Marketplace level instead of the Media Owner level has never been used. We have deprecated this functionality while maintaining the fields in existing reports for backwards compatibility. |
Marketplace Index Fee (%) | The Marketplace Owner's portion of the Marketplace Total Fee as a percent (as a decimal from 0 to 1) of Marketplace Media Spend. Calculation: Marketplace Index Fee / Marketplace Media Spend Note: As of April 24, 2025, the Marketplace Index Fee (%) field has been deprecated. The feature to apply the Index fee at the Marketplace level instead of the Media Owner level has never been used. We have deprecated this functionality while maintaining the fields in existing reports for backwards compatibility. |
Marketplace Media Spend | The portion of the Media Spend a buyer transacts through a Marketplace on the exchange. Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. Otherwise, the data will show as 0. |
Marketplace Owner Fee | The Marketplace Owner's portion of the Marketplace Total Fee. Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Marketplace Owner Fee (%) | The Marketplace Owner's portion of the Marketplace Total Fee as a percent (as a decimal from 0 to 1) of Marketplace Media Spend. Calculation: Marketplace Owner Fee / Marketplace Media Spend Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Marketplace Publisher Spend | The portion of the Marketplace Media Spend designated for the seller prior to the deduction of any additional fees approved by sellers. Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Marketplace Total Fee | The total fees taken within the Marketplace Platform. Calculation: Marketplace Total Fee = Marketplace Owner Fee + Marketplace Vendor Fee Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Marketplace Total Fee (%) | The total monetary fees taken within the Marketplace as a percent (as a decimal from 0 to 1) of Marketplace Media Spend. Calculation: Marketplace Total Fee / Marketplace Media Spend Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Marketplace Vendor Fee | The Marketplace Vendor's portion of the Marketplace Total Fee. Note: This metric only exists for impressions transacted through a Marketplace and is only available if the Marketplace Owner has opted to share this data. |
Impressions & Delivery category
| Field name | Description |
|---|---|
Average Measured Viewability | The average measured viewability. Calculation: Average Measured Viewability = Total Viewable Impressions / Total Measured Impressions. Note: This metric is only available on or after July 1, 2022. For more information about what viewability is and how we measure it, see What is viewability? |
Click-through rate (CTR) | The estimated percentage of times that an ad was clicked as measured by Index. Calculation: Clicks / Measurable Clicks For more information about how Index calculates the click-through rate (CTR), see Targeting click-through rate (CTR) in Marketplace Packages (Beta). |
Clicks | The estimated total number of click tracking events for the impression as measured by Index. |
Impressions | Count of impressions, including deal impressions. An impression occurs when an auction is won in the ad server and a creative is served on a page. |
Measurable Click Impressions | The estimated total number of impressions where click tracking events could be measured by Index. |
Total Measured Impressions (Viewability) | The total number of impressions that Index was able to gather viewability data for. Note: This metric is only available on or after July 1, 2022. For more information about what viewability is and how we measure it, see What is viewability? |
Total Viewable Impressions | The total number of impressions measured that were viewable as defined by the IAB Viewability Standard. Note: This metric is only available on or after July 1, 2022. For more information about what viewability is and how we measure it, see What is viewability? |
Video category
| Field name | Description |
|---|---|
Measurable Video Playback | The total number of impressions where first quartile, midpoint, third quartile, and complete quartile events could be measured. |
Video Complete | The estimated total number of video impressions that played to completion as measured by Index. Note: The values include previous events. For example, a video that is played to completion gets logged under Video First Quartile, Video Midpoint, Video Third Quartile, and Video Complete. |
Video completion rate (VCR) | The estimated percentage of video impressions that played to completion as measured by Index. Calculation: Video Complete / Measurable Video Playback For more information about how Index calculates the video completion rate (VCR), see Targeting video completion rate (VCR) in Marketplace Packages (Beta). |
Video First Quartile | The estimated total number of video impressions that played for at least 25% of the total duration as measured by Index. |
Video Midpoint | The total number of video impressions measured that played for at least 50% of the total duration as measured by Index. Note: The values include previous events. For example, when 25% of the video is viewed, it gets logged under Video First Quartile and when it reaches 50%, it gets logged under Video First Quartile and Video Midpoint. |
Video Third Quartile | The estimated total number of video impressions that played for at least 75% of the total duration as measured by Index. Note: The values include previous events. For example, when 75% of the video is viewed, it gets logged under Video First Quartile, Video Midpoint, and Video Third Quartile. |