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🗄️Developer Resource // JSON Endpoint

CMPX JSON Data API

Access 252 data points for CMPX spanning 5 years (2021–Jan 21, 2026). Optimized JSON format (36.9 KB).

GET /api/tickers/CMPX/json● 200 OK (Live)
{
  "symbol": "CMPX",
  "timestamp": "2026-01-22T03:16:29.355Z",
  "price": 5.9,
  "change_24h": 3.3274956217162943,
  "history_sample": [
    {
      "date": "2021-04-05",
      "open": 8.5,
      "high": 8.5,
      "low": 8.5,
      "close": 8.5,
      "volume": 2000
    },
    {
      "date": "2021-04-12",
      "open": 8.5,
      "high": 11,
      "low": 8.5,
      "close": 8.8,
      "volume": 2400
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CMPX
🛡️

Need to archive this data?

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