🗄️Developer Resource // JSON Endpoint

CLWT JSON Data API

Access 350 data points for CLWT spanning 30 years (1997–Apr 10, 2026). Optimized JSON format (51.3 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 CLWT historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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{
  "symbol": "CLWT",
  "timestamp": "2026-04-11T03:39:00.522Z",
  "price": 1.235,
  "change_24h": -1.1999999999999922,
  "history_sample": [
    {
      "date": "1997-04-01",
      "open": 11.33,
      "high": 14.27,
      "low": 8.81,
      "close": 14.27,
      "volume": 407357
    },
    {
      "date": "1997-05-01",
      "open": 14.27,
      "high": 15.95,
      "low": 12.59,
      "close": 12.59,
      "volume": 203827
    }
  ]
}
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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 CLWT
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync CLWT.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)