🗄️Developer Resource // JSON Endpoint

CRK JSON Data API

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

Access 157 data points for CRK spanning 39 years (1987–May 8, 2026). Optimized JSON format (23.0 KB).

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Download as CSV

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

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

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

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{
  "symbol": "CRK",
  "timestamp": "2026-05-11T12:28:44.767Z",
  "price": 14.1,
  "change_24h": -4.729729729729737,
  "history_sample": [
    {
      "date": "1987-08-01",
      "open": 60,
      "high": 140,
      "low": 52.5,
      "close": 75,
      "volume": 14620
    },
    {
      "date": "1987-11-01",
      "open": 85,
      "high": 95,
      "low": 45,
      "close": 60,
      "volume": 7105
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CRK
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync CRK.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