(Lost) Impression Share calculation

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Markus H.

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Apr 17, 2020, 9:44:22 AM4/17/20

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Hello,

we have noticed that there are differences between the ads frontend and the API.

Apparently there is a calculation that we can not understand. Maybe you can help us find the problem.

Search Lost Impression Share (budget)

Frontend: 40,93%

API: 33.9%

We also have differences with Search Impression Share and Search Lost Impression Share (rank).

The data on a daily basis is the same for frontend and API. Other KPIs such as clicks, costs, etc. are also consistent.

However, a calculation of the individual data does not give the same result.

Can anyone help us to get the right result

Thanks

Markus

Google Ads API Forum Advisor Prod

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Apr 17, 2020, 1:16:33 PM4/17/20

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Hi Markus,

Thank you for reaching out. Can you please share your client customer ID, complete report definition, downloaded report, and screenshot of the UI where you see the discrepancy via Reply privately to author?

Regards,
Mitchell
Google Ads API Team