Launch AppUtility
🗄️Developer Resource // JSON Endpoint

CTOS JSON Data API

Access 440 data points for CTOS spanning 9 years (2017–Mar 6, 2026). Optimized JSON format (64.5 KB).

Download as CSV

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

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

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{
  "symbol": "CTOS",
  "timestamp": "2026-03-09T03:24:07.114Z",
  "price": 6.41,
  "change_24h": -6.149341142020496,
  "history_sample": [
    {
      "date": "2017-10-09",
      "open": 9.8,
      "high": 9.85,
      "low": 9.77,
      "close": 9.78,
      "volume": 640100
    },
    {
      "date": "2017-10-16",
      "open": 9.78,
      "high": 9.85,
      "low": 9.73,
      "close": 9.73,
      "volume": 223300
    }
  ]
}
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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 CTOS
🛡️

Need to archive this data?

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