Launch AppUtility
🗄️Developer Resource // JSON Endpoint

HLLY JSON Data API

Access 277 data points for HLLY spanning 6 years (2020–Mar 9, 2026). Optimized JSON format (40.6 KB).

Download as CSV

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

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

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{
  "symbol": "HLLY",
  "timestamp": "2026-03-09T18:36:19.873Z",
  "price": 3.275,
  "change_24h": -2.5297619047619038,
  "history_sample": [
    {
      "date": "2020-11-23",
      "open": 9.75,
      "high": 10,
      "low": 9.75,
      "close": 9.75,
      "volume": 660600
    },
    {
      "date": "2020-11-30",
      "open": 10.3,
      "high": 10.55,
      "low": 9.75,
      "close": 9.78,
      "volume": 266200
    }
  ]
}
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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 HLLY
🛡️

Need to archive this data?

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