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🗄️Developer Resource // JSON Endpoint

HFWA JSON Data API

Access 335 data points for HFWA spanning 28 years (1998–Mar 6, 2026). Optimized JSON format (49.1 KB).

Download as CSV

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

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

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{
  "symbol": "HFWA",
  "timestamp": "2026-03-08T02:46:29.545Z",
  "price": 25.35,
  "change_24h": -1.5916149068322987,
  "history_sample": [
    {
      "date": "1998-06-01",
      "open": 14.29,
      "high": 14.4,
      "low": 12.86,
      "close": 14.05,
      "volume": 599235
    },
    {
      "date": "1998-07-01",
      "open": 14.05,
      "high": 14.29,
      "low": 12.8,
      "close": 12.8,
      "volume": 428610
    }
  ]
}
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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 HFWA
🛡️

Need to archive this data?

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