curl --request GET \
  --url https://api.hayinsights.com/openapi/v1/etf/{code}/prices-history \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "statusCode": 200,
  "data": [
    {
      "id": 346280,
      "date": "2021-06-14",
      "etfCode": "1306",
      "open": 2065,
      "high": 2068,
      "low": 2051,
      "close": 2056,
      "volume": "573610.000000",
      "currency": "JPY"
    },
    {
      "id": 346281,
      "date": "2021-06-15",
      "etfCode": "1306",
      "open": 2060,
      "high": 2076,
      "low": 2059,
      "close": 2075,
      "volume": "2708520.000000",
      "currency": "JPY"
    }
  ],
  "meta": {
    "timestamp": "2026-06-19T08:50:39.000Z"
  }
}