Thank you so much Jennifer! Exactly, it's due to the changes to Marketing Channel Processing Rules during the selected period (about 1 month). If I breakdown it by date, there is a shift from one channel to another. Thank you for your detailed explaination  

Hi, I find the classification of Last Touch Channel confusing. For example, as the following picture shows, the Last Touch Channel Detail item 'cn_owned_socail_s-community_multi_samsung_s23_article_230216_none' is classified both in 'Social Media Campaigns' and 'Owned Social', with different attribu...