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🗄️Developer Resource // JSON Endpoint

CMPO JSON Data API

Access 220 data points for CMPO spanning 5 years (2021–Mar 9, 2026). Optimized JSON format (32.2 KB).

Download as CSV

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

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

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{
  "symbol": "CMPO",
  "timestamp": "2026-03-15T05:18:27.195Z",
  "price": 25.15,
  "change_24h": -2.063862928348914,
  "history_sample": [
    {
      "date": "2021-12-27",
      "open": 9.95,
      "high": 10.69,
      "low": 7.77,
      "close": 8.21,
      "volume": 773687
    },
    {
      "date": "2022-01-03",
      "open": 8.22,
      "high": 8.71,
      "low": 6.63,
      "close": 7.51,
      "volume": 1194393
    }
  ]
}
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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 CMPO
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Need to archive this data?

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