Post shares
30/11/2019
The number of shares of your adverts. People can share your adverts or posts on their own or friends' Timelines, in groups and on their own Pages.
How it's calculated
The metric counts shares of your ads while they were running. It may also include Instagram shares sent to people's inboxes.
It doesn't count engagement with the post after it's shared on another person's or Page's timeline.
Further reading
* Nguồn: Facebook