Hi everyone,
I’m trying to put together a report to track the sales activity, particularly the number of deals won, deals lost, and new deals created each week. I’ve tried using a single object report, but I’m not making much progress. I’m also unsure which date fields to choose for deals won and lost—should it be date entered, date exited, or the latest time?
Thanks 
Hey @TVaz
Have you seen the standard Sales Dashboards that HubSpot has?
Deals won, Deals lost, Activity by owner/rep are included in most of them.
To see them Click to add/Create new dashboard
and take a look at this 3:
In the case that you want to create this reports yourself
for the activites you need a custom report with Deals and Activities
and then select the activities that you need to see
for example:
Hope this helps
