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🗄️Developer Resource // JSON Endpoint

CMSD JSON Data API

Access 369 data points for CMSD spanning 8 years (2019–Mar 6, 2026). Optimized JSON format (54.1 KB).

Download as CSV

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

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

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{
  "symbol": "CMSD",
  "timestamp": "2026-03-07T18:50:45.544Z",
  "price": 23.2,
  "change_24h": -0.04308487720810669,
  "history_sample": [
    {
      "date": "2019-02-18",
      "open": 25.1,
      "high": 25.12,
      "low": 24.96,
      "close": 25.1,
      "volume": 485700
    },
    {
      "date": "2019-02-25",
      "open": 25.11,
      "high": 25.25,
      "low": 24.97,
      "close": 25.2,
      "volume": 2767000
    }
  ]
}
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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 CMSD
🛡️

Need to archive this data?

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