🗄️Developer Resource // JSON Endpoint

MTRRX JSON Data API

Access 270 data points for MTRRX spanning 23 years (2003–Apr 1, 2026). Optimized JSON format (39.6 KB).

Chart where your browser is the vault — wire this endpoint to the Terminal.
Minimal cloud, maximal local control — start from this stateless slice.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "MTRRX",
  "timestamp": "2026-04-22T22:22:28.246Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "2003-11-01",
      "open": 14.45,
      "high": 14.52,
      "low": 14.34,
      "close": 14.5,
      "volume": 0
    },
    {
      "date": "2003-12-01",
      "open": 14.58,
      "high": 15.1,
      "low": 14.58,
      "close": 15.1,
      "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 MTRRX
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync MTRRX.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