--- title: "About Facebook Ads data discrepancies in Data Studio filter queries" slug: "about-facebook-ads-data-discrepancies-in-data-studio-filter-queries" description: "Learn about Facebook Ads data discrepancies in Data Studio filter queries and how to avoid them." updated: 2026-05-06T13:17:52Z published: 2026-05-06T13:25:57Z canonical: "docs.supermetrics.com/about-facebook-ads-data-discrepancies-in-data-studio-filter-queries" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.supermetrics.com/llms.txt > Use this file to discover all available pages before exploring further. # About Facebook Ads data discrepancies in Data Studio filter queries Some values that Facebook calculates as unique — such as reach and conversions — can return different values in Supermetrics reporting than in Facebook Ad Manager when they’re part of a Supermetrics query in Data Studio (formerly Looker Studio) that uses filters. This happens because Data Studio pulls the full data set and the filters for it post-query, leading it to sum the remaining values. [Stay up to date on Google’s response to this issue in its bug tracker](https://issuetracker.google.com/issues/77944627).