{
  "query": {
    "country": "HK",
    "item": "Milk / Milk drinks, per litre",
    "region": "Wellcome"
  },
  "status": "ok",
  "price": {
    "currency": "HKD",
    "unit": "per litre",
    "value": 31.333,
    "measure": "median",
    "median": 31.333,
    "typical_low": 21.67,
    "typical_high": 46.61,
    "min": 15.933,
    "max": 75
  },
  "sample_size": 71,
  "period": {
    "from": "2026-10-20",
    "to": "2026-10-20"
  },
  "confidence": "high",
  "price_type": "posted_price",
  "as_of": "2026-10-21T08:28:23.201Z",
  "source": {
    "id": "hk-pricewatch",
    "name": "Online Price Watch (Consumer Council)",
    "publisher": "Consumer Council of Hong Kong, via DATA.GOV.HK",
    "licence": "DATA.GOV.HK Terms and Conditions of Use (free re-use, commercial and non-commercial, with credit to the data provider)",
    "licence_url": "https://data.gov.hk/en/terms-and-conditions",
    "attribution": "Source: Consumer Council of Hong Kong, Online Price Watch, via DATA.GOV.HK (https://data.gov.hk/en-data/dataset/cc-pricewatch-pricewatch), under the DATA.GOV.HK Terms and Conditions of Use. Changed by ProofPrice: we group the product prices by category and report the median and 10th to 90th percentile.",
    "url": "https://data.gov.hk/en-data/dataset/cc-pricewatch-pricewatch"
  },
  "method": "Median and 10th–90th percentile of the shelf prices of the products in a category in the Consumer Council's Online Price Watch, one price per product and supermarket chain, in Hong Kong dollars; per kg or per litre where the pack size is in the product name, otherwise per pack. Posted shelf prices, not receipts; n is the number of shelf prices (5 or more needed).",
  "method_url": "https://proofprice.com/method",
  "summary": "Consumer Council Online Price Watch shelf prices at Wellcome put Milk / Milk drinks per litre at a median of HK$31.333; 10th–90th percentile HK$21.67–HK$46.61 across 71 product prices. These are posted shelf prices (brands and pack sizes differ), not receipts; prices are from 2026-10-20. Based on 71 records from Consumer Council of Hong Kong, via DATA.GOV.HK (2026-10-20 to 2026-10-20). Confidence: high.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "shelf_prices": 71,
    "area": "Wellcome",
    "other_definitions": [
      "Chilled fresh milk/milk drinks, per litre",
      "Coffee / Tea bags / Milk tea / Yuan yang, per kg",
      "UHT milk/milk drinks, per litre",
      "Soy drinks / Instant Soy Milk, per litre",
      "Adult milk powder, per kg",
      "Soy milk, per litre",
      "Chilled fresh soy milk, per litre",
      "Evaporated milk, per kg"
    ]
  },
  "answer_id": "ans_481ec1a25fe069f81c0d",
  "method_version": "1",
  "retrieved_at": "2026-10-21T08:28:23.201Z",
  "evidence": {
    "type": "posted_price",
    "label": "Posted shelf or pump price",
    "meaning": "The price a seller displays (for example at a pump or on a shelf): it is what is asked at the time, not a record of what each customer paid."
  },
  "reliability": "record_level",
  "data_as_of": "2026-10-20",
  "data_age_days": 1,
  "suggestions": [
    "This is a posted price, not what each customer paid."
  ]
}