🗄️Developer Resource // JSON Endpoint

ISP JSON Data API

Access 267 data points for ISP spanning 23 years (2003–Feb 1, 2026). Optimized JSON format (39.1 KB).

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Download as CSV

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

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

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{
  "symbol": "ISP",
  "timestamp": "2026-04-22T17:53:54.508Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "2003-12-01",
      "open": 25.19,
      "high": 25.75,
      "low": 25.1,
      "close": 25.49,
      "volume": 2898600
    },
    {
      "date": "2004-01-01",
      "open": 25.49,
      "high": 25.86,
      "low": 25.35,
      "close": 25.69,
      "volume": 2521200
    }
  ]
}
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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 ISP
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync ISP.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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal