{
  "schemaVersion": 1,
  "name": "NOTICE Milan property price research dataset",
  "description": "A transparent current asking-price consensus and a separate rolling two-year official OMI reference index for U.S. homebuyers researching Milan.",
  "url": "https://noticeitaly.com/data/milan-property-price-index.json",
  "askingPriceConsensus": {
    "referenceMonth": "2026-06",
    "researchedOn": "2026-07-17",
    "currency": "EUR",
    "unit": "EUR per square metre",
    "weightedAverageEurM2": 5420,
    "weightingMethod": "Equal 50/50 weighting of two established listing-portal citywide asking-price indicators.",
    "sources": [
      {
        "name": "idealista",
        "valueEurM2": 5165,
        "weight": 0.5,
        "statistic": "Advertised asking price for homes for sale in Milan",
        "url": "https://www.idealista.it/sala-stampa/report-prezzo-immobile/vendita/lombardia/milano-provincia/milano/"
      },
      {
        "name": "Immobiliare.it",
        "valueEurM2": 5675,
        "weight": 0.5,
        "statistic": "Advertised asking price for residential properties for sale in Milan",
        "url": "https://www.immobiliare.it/en/mercato-immobiliare/lombardia/milano/"
      }
    ],
    "caveat": "This is a research snapshot of asking-price indicators, not a transaction-price series, valuation, appraisal, or forecast. Portal methodologies and listing mixes differ."
  },
  "officialOmiIndex": {
    "name": "NOTICE Milan OMI equal-zone median reference index",
    "frequency": "Semiannual source release; checked monthly",
    "oldestPeriodBase": 100,
    "lastUpdated": "2026-07-17",
    "latestPeriod": "2025-H2",
    "metric": "For each Milan OMI zone, midpoint of the published sale-value range for the prevailing conservation state of Abitazioni civili; median across zones; equal zone weighting.",
    "periods": [
      {
        "period": "2023-H2",
        "medianMidpointEurM2": 3587.5,
        "index": 100,
        "zoneCount": 40,
        "attemptedZoneCount": 40,
        "coveragePercent": 100,
        "source": "Comune di Milano open-data extract"
      },
      {
        "period": "2024-H1",
        "medianMidpointEurM2": 3675,
        "index": 102.4,
        "zoneCount": 40,
        "attemptedZoneCount": 40,
        "coveragePercent": 100,
        "source": "Comune di Milano open-data extract"
      },
      {
        "period": "2024-H2",
        "medianMidpointEurM2": 3900,
        "index": 108.7,
        "zoneCount": 42,
        "attemptedZoneCount": 42,
        "coveragePercent": 100,
        "source": "Comune di Milano open-data extract"
      },
      {
        "period": "2025-H1",
        "medianMidpointEurM2": 3975,
        "index": 110.8,
        "zoneCount": 42,
        "attemptedZoneCount": 42,
        "coveragePercent": 100,
        "source": "Agenzia delle Entrate OMI query"
      },
      {
        "period": "2025-H2",
        "medianMidpointEurM2": 4000,
        "index": 111.5,
        "zoneCount": 42,
        "attemptedZoneCount": 42,
        "coveragePercent": 100,
        "source": "Agenzia delle Entrate OMI query"
      }
    ],
    "revisions": [],
    "sources": [
      {
        "name": "Comune di Milano OMI open-data extract",
        "url": "https://dati.comune.milano.it/dataset/ds1996-quotazioni-immobiliari-omi-compravendita-e-locazione-riepilogo",
        "downloadUrl": "https://dati.comune.milano.it/dataset/1ad8ecfd-5d4a-487d-b2e3-7d45fe9e1274/resource/90df91fa-9bc9-4100-9192-cb3a2f46fd44/download/ds1996_quotazioni_omi_compravendita_e_locazione_riepilogo.csv",
        "license": "CC BY 4.0"
      },
      {
        "name": "Agenzia delle Entrate OMI query",
        "url": "https://www1.agenziaentrate.gov.it/servizi/geopoi_omi/stampaomi.php",
        "methodologyUrl": "https://telematici.agenziaentrate.gov.it/pdf/guidaFornitureOMI.pdf"
      }
    ],
    "limitations": [
      "OMI values are broad zone ranges, not individual closed-sale prices or appraisals.",
      "Zones receive equal weight rather than being weighted by housing stock, listings, or transaction volume.",
      "Zone boundaries, typologies, prevailing conservation states, and coverage can change between releases.",
      "The source is semiannual; monthly execution checks for a release but does not create monthly observations."
    ]
  },
  "legalNotice": "General educational market research only. Not brokerage, investment, legal, tax, mortgage, technical, notarial, or valuation advice. Verify a specific property and current source data with independent qualified professionals."
}