curl -H "X-FH-APIKEY: $FINHAY_API_KEY" \
  "https://open-api.fhsc.com.vn/market/index-realtime?index=VNINDEX"

{
  "error_code": "0",
  "message": "success",
  "result": [
    {
      "index": "VNINDEX",
      "indexValue": 1792.6,
      "allQuantity": 248009131,
      "change": 2.07,
      "changePercent": 0.12,
      "reference": 1790.53,
      "allValue": 6543210000000,
      "advances": 245,
      "declines": 168,
      "nochanges": 52,
      "ceiling": 9,
      "floor": 5,
      "values": [
        1790.53,
        1791.84,
        1792.6
      ],
      "volumes": [
        85230000,
        167450000,
        248009131
      ],
      "times": [
        1780300800000,
        1780304400000,
        1780308000000
      ],
      "advancesArr": [
        180,
        220,
        245
      ],
      "declinesArr": [
        210,
        185,
        168
      ],
      "nochangesArr": [
        60,
        58,
        52
      ],
      "ceilings": [
        4,
        7,
        9
      ],
      "floors": [
        9,
        7,
        5
      ],
      "sessionInExchange": "PROGRESS",
      "name": "VNINDEX"
    }
  ]
}