Google’s AdsLiaison, Ginny Marvin, has confirmed a bug with Share and Auction Insights reporting for Google Ads Search campaigns starting on August 29th. Ginny said this is just a reporting issue and “doesn’t impact ad serving or automated bidding strategies,” she added on Twitter.
Google also posted the issue in the Google Ads status page with this message:
PPCGreg and other PPCers noticed this earlier and shared these screenshots of the issue:
Forum discussion at Twitter.
Update: This is now resolved as of Septemeber 2, 2022 at 5:26 PM UTC.