Launch AppUtility
🗄️Developer Resource // JSON Endpoint

GERN JSON Data API

Access 356 data points for GERN spanning 30 years (1996–Feb 13, 2026). Optimized JSON format (52.1 KB).

Download as CSV

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

GET /api/tickers/GERN/json● 200 OK (Live)
{
  "symbol": "GERN",
  "timestamp": "2026-02-14T04:31:27.386Z",
  "price": 1.65,
  "change_24h": 1.2269938650306762,
  "history_sample": [
    {
      "date": "1996-08-01",
      "open": 7.21,
      "high": 7.44,
      "low": 6.14,
      "close": 6.5,
      "volume": 1483210
    },
    {
      "date": "1996-09-01",
      "open": 6.5,
      "high": 6.85,
      "low": 6.03,
      "close": 6.62,
      "volume": 395164
    }
  ]
}
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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 GERN
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync GERN.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)