🗄️Developer Resource // JSON Endpoint

ASPN JSON Data API

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

Access 146 data points for ASPN spanning 13 years (2014–Jul 24, 2026). Optimized JSON format (21.4 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 ASPN historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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

Start Free — Local First
{
  "symbol": "ASPN",
  "timestamp": "2026-07-24T23:19:27.530Z",
  "price": 4.67,
  "change_24h": -9.496124031007756,
  "history_sample": [
    {
      "date": "2014-07-01",
      "open": 11.03,
      "high": 11.56,
      "low": 8.9,
      "close": 9,
      "volume": 872200
    },
    {
      "date": "2014-08-01",
      "open": 9.07,
      "high": 11.14,
      "low": 8.04,
      "close": 10.63,
      "volume": 1312200
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import ASPN
🛡️

Need to archive this data?

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