Cost Performance Index
Cost Performance Index field
A measure of the value of work accomplished as a percentage of the actual costs.
Cost Performance Index (CPI) indicates whether you have spent money over the budget to date.
On the My Preferences page, you can set performance thresholds for CPI calculated values to determine whether you need to take corrective action.
Calculated as Earned Value Cost divided by Actual Cost. A value less than 1 indicates that the actual cost has exceeded the planned value.