Within Explori, Portfolios are a grouping of events based on commonalties if this may be the sector or industry they sit in for example. This is of particular use when there are a number of events in your company account and you want a way of grouping them. Doing this effectively will make the portfolio benchmark more useful for internal analysis.
When adding an event to Explori, the portfolio that it sits in will be decided but this can be changed at any point so that you're getting more out of the Portfolio benchmark. As a Master user, you can go into the portfolios and reorganise them as shown below;