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🗄️Developer Resource // JSON Endpoint

ISPY JSON Data API

Access 117 data points for ISPY spanning 3 years (2023–Mar 9, 2026). Optimized JSON format (17.1 KB).

Download as CSV

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

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

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{
  "symbol": "ISPY",
  "timestamp": "2026-03-09T18:09:09.680Z",
  "price": 44.41,
  "change_24h": -0.8484036615315975,
  "history_sample": [
    {
      "date": "2023-12-18",
      "open": 40.26,
      "high": 40.76,
      "low": 39.69,
      "close": 40.19,
      "volume": 91000
    },
    {
      "date": "2023-12-25",
      "open": 40.35,
      "high": 40.78,
      "low": 40.23,
      "close": 40.4,
      "volume": 80500
    }
  ]
}
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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 ISPY
🛡️

Need to archive this data?

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