🗄️Developer Resource // JSON Endpoint

M JSON Data API

Access 408 data points for M spanning 34 years (1992–Jan 21, 2026). Optimized JSON format (59.8 KB).

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

{
  "symbol": "M",
  "timestamp": "2026-01-22T04:12:38.452Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "1992-03-01",
      "open": 7.63,
      "high": 7.94,
      "low": 6.75,
      "close": 7.13,
      "volume": 3734000
    },
    {
      "date": "1992-04-01",
      "open": 7.06,
      "high": 7.56,
      "low": 5.63,
      "close": 6.69,
      "volume": 6863400
    }
  ]
}

💻

Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import M

🛡️

Need to archive this data?

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