🗄️Developer Resource // JSON Endpoint

NDSN JSON Data API

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

Access 168 data points for NDSN spanning 42 years (1984–Jul 24, 2026). Optimized JSON format (24.6 KB).

Chart where your browser is the vault — wire this endpoint to the Terminal.
Minimal cloud, maximal local control — start from this stateless slice.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "NDSN",
  "timestamp": "2026-07-27T05:00:31.079Z",
  "price": 295.77,
  "change_24h": 1.2564259675745153,
  "history_sample": [
    {
      "date": "1984-12-01",
      "open": 1.44,
      "high": 1.65,
      "low": 1.42,
      "close": 1.63,
      "volume": 7762800
    },
    {
      "date": "1985-03-01",
      "open": 1.63,
      "high": 1.79,
      "low": 1.54,
      "close": 1.56,
      "volume": 4873200
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import NDSN
🛡️

Need to archive this data?

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