Assertion: price index | /r/CapableOf | measure change
Facets:
value: in single-family house prices
type: OTHER
value: based on data
type: OTHER
Source sentences:
text: The FHFA House Price Index (HPI) is the nation's only public, freely available index that measures changes in single-family house prices based on data covering all 50 states and over 400 American cities.