🗄️Developer Resource // JSON Endpoint

BDN JSON Data API

Access 161 data points for BDN spanning 40 years (1986–Apr 22, 2026). Optimized JSON format (23.6 KB).

Local-first charts from this JSON — open the Terminal.
Parse and visualize without shipping raw ledgers to a vendor database.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "BDN",
  "timestamp": "2026-04-22T17:55:17.686Z",
  "price": 2.905,
  "change_24h": -1.1904761904761954,
  "history_sample": [
    {
      "date": "1986-07-01",
      "open": 29.25,
      "high": 30.75,
      "low": 28.5,
      "close": 30,
      "volume": 33167
    },
    {
      "date": "1986-10-01",
      "open": 30,
      "high": 31.13,
      "low": 28.13,
      "close": 30.38,
      "volume": 65564
    }
  ]
}
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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 BDN
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Need to archive this data?

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