The project value report is situated within Reports > Project value:

You can run this report for a specific time period, all or individual products etc.

The report shows the following:-

Fixed price - this would have been entered when creating the project.
Cost price - total cost price todate.
Sale price - total sales price todate.
Invoiced - total invoiced todate.
Open cost price - total of costs yet to be invoiced.
Open sales price - total sales value yet to be invoiced.
Open cost percentage - % of costs yet to be invoiced.