🗄️Developer Resource // JSON Endpoint

BYY JSON Data API

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

Access 61 data points for BYY spanning 6 years (2011–Jun 1, 2016). Optimized JSON format (8.9 KB).

Programmable Sovereign Interface — chart this JSON in the Terminal.
Local-first analysis. Stateless data. Your browser is the vault.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "BYY",
  "timestamp": "2026-07-24T22:30:27.303Z",
  "price": null,
  "change_24h": null,
  "history_sample": [
    {
      "date": "2011-05-01",
      "open": 6.66,
      "high": 6.84,
      "low": 6.47,
      "close": 6.47,
      "volume": 0
    },
    {
      "date": "2011-06-01",
      "open": 6.49,
      "high": 6.51,
      "low": 4.06,
      "close": 4.46,
      "volume": 0
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import BYY
🛡️

Need to archive this data?

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