Launch AppUtility
🗄️Developer Resource // JSON Endpoint

GK JSON Data API

Access 246 data points for GK spanning 5 years (2021–Mar 9, 2026). Optimized JSON format (36.0 KB).

Download as CSV

Prefer CSV format? Download GK historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

GET /api/tickers/GK/json● 200 OK (Live)

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{
  "symbol": "GK",
  "timestamp": "2026-03-09T19:48:28.781Z",
  "price": 24.73,
  "change_24h": -1.0997800439911962,
  "history_sample": [
    {
      "date": "2021-06-28",
      "open": 25.35,
      "high": 27.56,
      "low": 25.09,
      "close": 25.27,
      "volume": 115000
    },
    {
      "date": "2021-07-05",
      "open": 25.37,
      "high": 25.47,
      "low": 24.67,
      "close": 25.29,
      "volume": 146900
    }
  ]
}
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Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import GK
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync GK.json updates to your private Google Drive for backtesting and compliance.

Enable Sovereign Sync

Includes unlimited API calls & historical CSV exports.

Dataset Specifications

  • Format: Standardized JSON (OHLCV)
  • Frequency: End-of-Day (EOD) + Real-time delay
  • Adjustments: Split-adjusted, Dividend-adjusted
  • Source: Multi-provider aggregation (AlphaVantage, Yahoo fallback)