Launch AppUtility
🗄️Developer Resource // JSON Endpoint

CTRNX JSON Data API

Access 42 data points for CTRNX spanning 4 years (2012–Feb 1, 2016). Optimized JSON format (6.2 KB).

Download as CSV

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

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

Tired of exporting to Excel? Track CTRNX and analyze your portfolio locally with Pocket Portfolio.

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{
  "symbol": "CTRNX",
  "timestamp": "2026-03-08T10:41:08.649Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "2012-09-01",
      "open": 10.01,
      "high": 10.01,
      "low": 10.01,
      "close": 10.01,
      "volume": 0
    },
    {
      "date": "2012-10-01",
      "open": 10.02,
      "high": 10.06,
      "low": 9.99,
      "close": 10.06,
      "volume": 0
    }
  ]
}
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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 CTRNX
🛡️

Need to archive this data?

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