🗄️Developer Resource // JSON Endpoint

CNK JSON Data API

Absolute endpoints (copy‑paste)
JSON:https://www.pocketportfolio.app/api/tickers/CNK/json?range=max
CSV:https://www.pocketportfolio.app/api/tickers/CNK/csv?range=max

Access 232 data points for CNK spanning 20 years (2007–Jul 24, 2026). Optimized JSON format (34.0 KB).

Programmable Sovereign Interface — chart this JSON in the Terminal.
Local-first analysis. Stateless data. Your browser is the vault.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "CNK",
  "timestamp": "2026-07-24T21:38:19.159Z",
  "price": 32.71,
  "change_24h": 0.06118078923219066,
  "history_sample": [
    {
      "date": "2007-05-01",
      "open": 18.9,
      "high": 19.95,
      "low": 18.05,
      "close": 19.35,
      "volume": 9429500
    },
    {
      "date": "2007-06-01",
      "open": 19.3,
      "high": 19.8,
      "low": 16.15,
      "close": 17.89,
      "volume": 7768000
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CNK
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync CNK.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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal