🗄️Developer Resource // JSON Endpoint

UNG JSON Data API

Access 229 data points for UNG spanning 19 years (2007–Apr 22, 2026). Optimized JSON format (33.5 KB).

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Download as CSV

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

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

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{
  "symbol": "UNG",
  "timestamp": "2026-04-22T17:55:07.569Z",
  "price": 10.966,
  "change_24h": 0.14611872146118735,
  "history_sample": [
    {
      "date": "2007-05-01",
      "open": 6607.36,
      "high": 6999.04,
      "low": 6368,
      "close": 6622.72,
      "volume": 21166
    },
    {
      "date": "2007-06-01",
      "open": 6589.44,
      "high": 6910.72,
      "low": 5382.4,
      "close": 5664,
      "volume": 34615
    }
  ]
}
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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 UNG
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync UNG.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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal