Social Explorer; Federal Housing Finance Agency House Price Index (HPI).
House Price Index Technical Documentation
10. What is the methodology used by FHFA in computing the HPI?
The methodology is a modified version of the Case-Shiller® geometric weighted repeatsales procedure. A detailed description of the HPI methodology is available upon request from FHFA at (202) 649-3195 or online at: http://go.usa.gov/8BBT.