Launch AppUtility
🗄️Developer Resource // JSON Endpoint

GHM JSON Data API

Access 166 data points for GHM spanning 42 years (1984–Feb 13, 2026). Optimized JSON format (24.3 KB).

Download as CSV

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

GET /api/tickers/GHM/json● 200 OK (Live)
{
  "symbol": "GHM",
  "timestamp": "2026-02-14T18:13:11.207Z",
  "price": 84.4,
  "change_24h": 0.6199332379590012,
  "history_sample": [
    {
      "date": "1984-12-01",
      "open": 1.52,
      "high": 2.13,
      "low": 1.47,
      "close": 1.88,
      "volume": 861750
    },
    {
      "date": "1985-03-01",
      "open": 1.88,
      "high": 1.92,
      "low": 1.47,
      "close": 1.47,
      "volume": 188250
    }
  ]
}
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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 GHM
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Need to archive this data?

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