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🗄️Developer Resource // JSON Endpoint

COMS JSON Data API

Access 212 data points for COMS spanning 18 years (2008–Mar 6, 2026). Optimized JSON format (31.1 KB).

Download as CSV

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

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

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

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{
  "symbol": "COMS",
  "timestamp": "2026-03-08T10:40:47.698Z",
  "price": 0.0016,
  "change_24h": 0,
  "history_sample": [
    {
      "date": "2008-09-01",
      "open": 1516806.25,
      "high": 1668486.88,
      "low": 1516806.25,
      "close": 1668486.88,
      "volume": 0
    },
    {
      "date": "2008-10-01",
      "open": 1668486.88,
      "high": 1668486.88,
      "low": 1207377.75,
      "close": 1304453.38,
      "volume": 0
    }
  ]
}
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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 COMS
🛡️

Need to archive this data?

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