{
  "query": {
    "country": "US",
    "buyer_area": "Chicago",
    "what": "all"
  },
  "status": "ok",
  "price": {
    "currency": "USD",
    "unit": "per contract, total awarded value",
    "value": 139212,
    "measure": "median",
    "median": 139212,
    "typical_low": 12034,
    "typical_high": 1943920,
    "min": 1000,
    "max": 1050000000
  },
  "sample_size": 6099,
  "period": {
    "from": "2024-11-02",
    "to": "2026-11-02"
  },
  "confidence": "high",
  "price_type": "contract_price",
  "as_of": "2026-11-04T00:59:58.859Z",
  "source": {
    "id": "us-chicago-contracts",
    "name": "City of Chicago contract awards",
    "publisher": "City of Chicago (Data Portal)",
    "licence": "No licence stated by the publisher (attribution: City of Chicago); free tier only",
    "licence_url": "https://data.cityofchicago.org/d/rsxa-ify5",
    "attribution": "Source: City of Chicago Data Portal, Contracts (rsxa-ify5). Figures are ProofPrice aggregates (grouped, medians and ranges calculated).",
    "url": "https://data.cityofchicago.org/d/rsxa-ify5"
  },
  "method": "City of Chicago contract awards (original awards of US$1,000 or more) approved 2024-11-02 to 2026-11-02. Median and 10th–90th percentile of the awarded value in USD. Totals per contract, not unit prices; vendors are never named.",
  "method_url": "https://proofprice.com/method",
  "summary": "The City of Chicago awarded contracts with a median total value of US$139,212 per contract (typical range US$12,034 to US$1,943,920, 10th to 90th percentile). These are awarded contract values, not market prices or unit prices. Based on 6099 records from City of Chicago (Data Portal) (2024-11-02 to 2026-11-02). Confidence: high.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "value_basis": "total awarded contract value, not a unit price",
    "matched_purchase": "all",
    "newest_collection": "2026-11-02"
  },
  "answer_id": "ans_9a5868c0191a48591b77",
  "method_version": "1",
  "retrieved_at": "2026-11-04T00:59:58.859Z",
  "evidence": {
    "type": "contract_price",
    "label": "Contract award value",
    "meaning": "The value of a contract awarded under public procurement rules: it shows what a buyer agreed to pay for that contract, not a price list for the same goods or services."
  },
  "reliability": "record_level",
  "data_as_of": "2026-11-02",
  "data_age_days": 2,
  "suggestions": []
}