🗄️Developer Resource // JSON Endpoint

CHMG JSON Data API

Absolute endpoints (copy‑paste)
JSON:https://www.pocketportfolio.app/api/tickers/CHMG/json?range=max
CSV:https://www.pocketportfolio.app/api/tickers/CHMG/csv?range=max

Access 329 data points for CHMG spanning 28 years (1999–May 29, 2026). Optimized JSON format (48.2 KB).

Route this JSON into your sovereign workspace — command the Terminal.
Endpoint-first sovereignty: no shared warehouse of your raw ledger.

Download as CSV

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

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

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

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{
  "symbol": "CHMG",
  "timestamp": "2026-05-30T15:45:22.836Z",
  "price": 68.68,
  "change_24h": -0.9946662822545735,
  "history_sample": [
    {
      "date": "1999-02-01",
      "open": 27,
      "high": 27.25,
      "low": 26.5,
      "close": 27,
      "volume": 5900
    },
    {
      "date": "1999-03-01",
      "open": 27,
      "high": 27.25,
      "low": 26.5,
      "close": 26.5,
      "volume": 11800
    }
  ]
}
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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 CHMG
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync CHMG.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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal