🗄️Developer Resource // JSON Endpoint

ALSN JSON Data API

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

Access 172 data points for ALSN spanning 15 years (2012–Jun 5, 2026). Optimized JSON format (25.2 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 ALSN historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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

Start Free — Local First
{
  "symbol": "ALSN",
  "timestamp": "2026-06-07T05:18:02.705Z",
  "price": 115.75,
  "change_24h": -2.2216590640310825,
  "history_sample": [
    {
      "date": "2012-04-01",
      "open": 23.63,
      "high": 25.22,
      "low": 20.24,
      "close": 20.9,
      "volume": 10708200
    },
    {
      "date": "2012-05-01",
      "open": 21.03,
      "high": 21.4,
      "low": 17.25,
      "close": 18.47,
      "volume": 7653400
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import ALSN
🛡️

Need to archive this data?

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