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🗄️Developer Resource // JSON Endpoint

HESM JSON Data API

Access 461 data points for HESM spanning 9 years (2017–Jan 21, 2026). Optimized JSON format (67.5 KB).

GET /api/tickers/HESM/json● 200 OK (Live)
{
  "symbol": "HESM",
  "timestamp": "2026-01-21T21:09:19.628Z",
  "price": 34.45,
  "change_24h": -0.777649769585242,
  "history_sample": [
    {
      "date": "2017-04-03",
      "open": 25.5,
      "high": 26.43,
      "low": 25.31,
      "close": 25.89,
      "volume": 10985900
    },
    {
      "date": "2017-04-10",
      "open": 26.01,
      "high": 26.45,
      "low": 25.08,
      "close": 25.45,
      "volume": 1608200
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import HESM
🛡️

Need to archive this data?

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