{
  "datasets": [
    {
      "name": "mtr_fare",
      "source_url": "https://opendata.mtr.com.hk/data/mtr_lines_fares.csv",
      "fetched_at": "2026-10-03T16:32:52Z",
      "bytes": 743938,
      "rows": 9216
    },
    {
      "name": "mtr_station",
      "source_url": "https://opendata.mtr.com.hk/data/mtr_lines_and_stations.csv",
      "fetched_at": "2026-10-03T16:32:52Z",
      "bytes": 14161,
      "rows": 270
    }
  ],
  "expected": {
    "from": "Central",
    "to": "Tsim Sha Tsui",
    "octopus_adult": "10.60",
    "single_journey_adult": "12.50"
  },
  "refresh": "Daily, from the two MTR open-data files above. If a fetch or a row-count check fails, the previous data stays in place.",
  "ptfss": {
    "threshold_hkd": 500,
    "rate": "one-third",
    "cap_hkd": 400,
    "rate_note": "The Government page states \"33.33% is adopted for calculating the monthly subsidy\", but its own four worked examples (Subsidy Calculation page) are reproduced exactly by one-third and not by 33.33%: $1100 gives $200 on the page, while 33.33% gives $199.98. This service therefore computes one-third, which is also the rate the main sentence uses (\"one-third of their actual monthly public transport expenses\").",
    "sources": [
      {
        "label": "PTFSS - Purpose and Features ($500 threshold, one-third, $400 cap, separate accounts)",
        "url": "https://www.ptfss.gov.hk/en-hk/sch-01.html"
      },
      {
        "label": "PTFSS - Subsidy Calculation (worked examples, the 33.33% remark, the $400 cap)",
        "url": "https://www.ptfss.gov.hk/en-hk/ope-01.html"
      },
      {
        "label": "PTFSS - subsidy calculation page, Chinese version (read to cross-check the same statements)",
        "url": "https://www.ptfss.gov.hk/zh-hk/ope-01.html"
      }
    ]
  }
}