Launch AppUtility
🗄️Developer Resource // JSON Endpoint

CPRX JSON Data API

Access 233 data points for CPRX spanning 20 years (2006–Mar 11, 2026). Optimized JSON format (34.1 KB).

Download as CSV

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

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

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

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{
  "symbol": "CPRX",
  "timestamp": "2026-03-11T13:48:10.943Z",
  "price": 24.365,
  "change_24h": -1.6350423899878932,
  "history_sample": [
    {
      "date": "2006-12-01",
      "open": 5.5,
      "high": 6,
      "low": 3.76,
      "close": 4.83,
      "volume": 560300
    },
    {
      "date": "2007-01-01",
      "open": 5,
      "high": 6.51,
      "low": 3.68,
      "close": 6.38,
      "volume": 1402700
    }
  ]
}
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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 CPRX
🛡️

Need to archive this data?

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