Values. 1  Earn client trust every day. 2  Create with purpose. 3  Inspire and achieve excellence. 4  Do the right thing. 5  Deliver on the promise of one Fiserv.
Hence the reason for Human Performance Improvement (HPI). HPI is a philosophy (with a methodology) that provides guidance on how to manage human fallibility where people do things they didnât intend to do.
House Price Index. Home / Data & Tools / Data / House Price Index. The HPI is a broad measure of the movement of single-family house prices. The HPI is a weighted, repeat-sales index, meaning that it measures average price changes in repeat sales or refinancings on the same properties.