{
  "title": "Bitterroot Valley Home Values: A 2019 to 2026 Zillow Index Study",
  "retrieved": "2026-09-29",
  "source": { "publisher": "Zillow Research", "url": "https://www.zillow.com/research/data/", "file": "City_zhvi_uc_sfrcondo_tier_0.33_0.67_sm_sa_month.csv", "sha256": "9BE9CE85C3442FC40D362A009738AE2C8E8EE257C3EADC8D52E4C63A95FB2355" },
  "metric": "ZHVI All Homes, mid-tier, smoothed and seasonally adjusted",
  "selection": "Montana city rows named Hamilton, Stevensville, Florence, Corvallis, Victor and Darby; one row per city.",
  "formula": "percentage change = (2026-08-31 ZHVI / comparison-date ZHVI - 1) * 100",
  "display": "Dollar values rounded to whole dollars and percentage changes to one decimal. CSV retains additional precision.",
  "limits": ["ZHVI is a modeled typical value, not a sale-price median.", "City all-home series do not isolate luxury, acreage, waterfront, ranches, condition or neighborhoods.", "Index changes do not establish a specific property's appreciation or future value."]
}