Launch AppUtility
🗄️Developer Resource // JSON Endpoint

CNTX JSON Data API

Access 230 data points for CNTX spanning 5 years (2021–Mar 9, 2026). Optimized JSON format (33.7 KB).

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "CNTX",
  "timestamp": "2026-03-09T18:02:39.618Z",
  "price": 2.865,
  "change_24h": -8.17307692307692,
  "history_sample": [
    {
      "date": "2021-10-18",
      "open": 4.44,
      "high": 7.9,
      "low": 4.32,
      "close": 6.99,
      "volume": 43650500
    },
    {
      "date": "2021-10-25",
      "open": 7.4,
      "high": 8.29,
      "low": 5.63,
      "close": 5.76,
      "volume": 27998600
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CNTX
🛡️

Need to archive this data?

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