Data Sources

Every input, out in the open

Every number in Kairometric starts from a public source. We don't hide what we pull, where from, or how often. Curious how it's computed? See Methodology.

FREDMonthly
Federal Reserve Bank of St. Louis

30-year fixed mortgage rate (MORTGAGE30US), savings-rate proxy, CPI-U inflation

ZHVIMonthly
Zillow Research

Regional home value index — the property-value trajectory in the real estate model

S&P 500 (monthly close)Monthly
Public index time series

Price and dividend-reinvestment basis for the stock model

Census / HUDAnnual
U.S. Census Bureau · HUD

Real estate operating assumptions, such as the national average vacancy rate

Each dataset is subject to its provider's terms and license — see the links above for attribution. How the model transforms and computes from this data is documented in Methodology.