Launch AppUtility
🗄️Developer Resource // JSON Endpoint

HERD JSON Data API

Access 358 data points for HERD spanning 7 years (2019–Mar 9, 2026). Optimized JSON format (52.4 KB).

Download as CSV

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

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

Tired of exporting to Excel? Track HERD and analyze your portfolio locally with Pocket Portfolio.

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{
  "symbol": "HERD",
  "timestamp": "2026-03-09T20:51:22.694Z",
  "price": 45.979,
  "change_24h": 0.281352235550704,
  "history_sample": [
    {
      "date": "2019-05-06",
      "open": 24.79,
      "high": 24.79,
      "low": 24.69,
      "close": 24.74,
      "volume": 800
    },
    {
      "date": "2019-05-13",
      "open": 23.87,
      "high": 24.36,
      "low": 23.87,
      "close": 24.22,
      "volume": 500
    }
  ]
}
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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 HERD
🛡️

Need to archive this data?

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