Google Ads data transfer in bigquery: missing or partial cost for demand gen campaign

[giobreccia]

Hi everyone,

I'm encountering discrepancies in cost data for Demand Gen campaigns between BigQuery and the Google Ads platform. When visualizing costs in Looker Studio using BigQuery data (with simple custom query), the figures don’t match the values displayed directly in Google Ads.

Additionally, when exploring the tables in BigQuery, I noticed that for certain days or longer periods, the cost data for Demand Gen campaigns is completely missing—though clicks and impressions are present. This leads me to believe that the data might be corrupted.

I’ve checked the transfer configuration logs, and it shows that all data transfers to BigQuery were successful.

Has anyone else experienced this issue or know of any potential causes or solutions?

Thanks