🗄️Developer Resource // JSON Endpoint

EFO JSON Data API

Access 203 data points for EFO spanning 17 years (2009–Apr 22, 2026). Optimized JSON format (29.7 KB).

Turn this feed into a private wealth view in the Terminal.
Your keys, your sync policy — the Terminal stays privacy-first.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "EFO",
  "timestamp": "2026-04-22T20:52:18.126Z",
  "price": 69.5226,
  "change_24h": 0.4402040512641916,
  "history_sample": [
    {
      "date": "2009-07-01",
      "open": 18.97,
      "high": 21.71,
      "low": 16.35,
      "close": 21.66,
      "volume": 112800
    },
    {
      "date": "2009-08-01",
      "open": 22.47,
      "high": 24.67,
      "low": 20.89,
      "close": 23.5,
      "volume": 327000
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import EFO
🛡️

Need to archive this data?

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