What happens with a closed deal that’s reopened in Flow? 

A deal that’s closed and reopened will show up as “New Open” unless it was already open at the start of the selected Close Date range in Flow. In that case, Flow will show the movement from the status at the start of the Close Date range to the end of the Close Date range.

For example, in the screenshot below, if a deal was closed at the start of the week, and then re-opened with a Close Date in the quarter sometime during the week, it will show up in the “New” bucket.