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🗄️Developer Resource // JSON Endpoint

ISW JSON Data API

Access 99 data points for ISW spanning 14 years (2002–Jun 1, 2016). Optimized JSON format (14.5 KB).

GET /api/tickers/ISW/json● 200 OK (Live)
{
  "symbol": "ISW",
  "timestamp": "2026-01-22T05:43:44.489Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "2002-09-01",
      "open": 38.4,
      "high": 38.4,
      "low": 38.4,
      "close": 38.4,
      "volume": 0
    },
    {
      "date": "2002-10-01",
      "open": 11.5,
      "high": 13.5,
      "low": 11.5,
      "close": 13.5,
      "volume": 0
    }
  ]
}
💻

Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import ISW
🛡️

Need to archive this data?

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