The Buying Guidance widget provides real-time insights into the inventory and pricing your deal A private auction that allows publishers to offer specific inventory directly to selected buyers identified by a deal ID. Terms are negotiated and are agreed upon before the auction occurs. is likely to receive before you finalize it. As you adjust your targeting, the widget returns the following two key metrics calculated from the last seven days of Index Exchange auction data.
| Metric | What it means | How it's calculated |
|---|---|---|
|
Daily impression opportunities |
The approximate number of ad requests per day that match your targeting. |
A 5-day average of historical slot requests, extrapolated from a sampled dataset. |
|
The typical cost that buyers paid for those requests in USD. |
A sum of historical ad spend ÷ impressions over the same 5-day window. |
Using this insight, Marketplace Partners The owner of an Index Marketplace that curates their media solutions within the Index Marketplace and packages these offerings to bring incremental demand to publishers. For example, a Marketplace partner could be a media agency, a data provider, or retail media network. can launch deals with optimal reach and pricing right from the start, eliminating the need for trial-and-error adjustments after the deal goes live.
Open beta limitations and notes:
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The widget is currently only available when you create a Marketplace Package. It's not currently supported when you edit a Marketplace Package.
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From the required targeting list, only publishers and domains/app bundles are supported. The following required targeting is not supported and won’t be considered in the Buying Guidance estimates :
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segments
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deals
Note: For domain targeting, only top-level domains (for example, website.com) are supported . If you add a sub-domain (for example, blog.website.com), the Buying Guidance estimates will show a zero. Domains that contain a URL path (for example, website.com/about-us) are not a supported targeting option in Marketplace Packages and will also show a zero in the Buying Guidance widget if added. For more information about domain targeting, see How domain targeting works.
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From the optional targeting list, the following optional targeting is not supported and won’t be considered in the Buying Guidance estimates:
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Zip/postal codes
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Click-through rate (CTR) CTR measures the percentage of times an ad was clicked.
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Player width
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Player height
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Aspect ratios
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To preview impressions and pricing while creating a Marketplace Package, complete the following steps:
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Enter your email address and password to log in to the Index UI at app.indexexchange.com.
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If you have more than one account, select the account that you want to access.
- Click Deals.
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Click Create Deal and select Marketplace Package.
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Enter the Name, Deal ID, DSP Demand-Side Platform (DSP). A software platform that automates bidding decisions in real-time and efficiently connects buyers and audiences through an ad exchange or SSP. Also known as a buy-side platform., dates, and any other required deal details. For detailed instructions on how to create a Marketplace Package, see Create a Marketplace Package.
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In the Required section, choose at least one of the supported required targeting dimensions (publisher The owner of a website or app where advertisements are served. or domain/app bundle). You can also select deals and segments, but they will not be included in the Buying Guidance estimates.
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In the Optional section, select any optional targeting that you want to include. Zip/postal code, VCR, and CTR are not included in the Buying Guidance estimates.
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When you are finished adding your targeting, in the Buying Guidance widget, click Calculate.
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Review the estimated Daily impression opportunities and Price Guidance in CPM (USD).
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Optionally, refine your targeting and click Calculate to update the numbers.
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When you are satisfied with the estimated impression opportunities and average CPM, click CREATE to finalize the Marketplace Package.
Tips for interpreting the numbers
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Seek a balance: A very low CPM with very high avails might indicate low-value inventory. Conversely, a very high CPM with very low avails could limit your scale.
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Refine your filters: Begin with broad settings, then gradually add more specific dimensions to identify which filter has the most significant impact.
Frequently asked questions
How up-to-date are the estimates?
Data is refreshed daily and represents the previous seven calendar days.
Are the numbers guaranteed?
No. They are directional estimates with a target ±15 % accuracy margin. Actual delivery depends on live auction dynamics.
Can I export the data?
Not from the widget. API access for programmatic use may be coming in the future.
