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🗄️Developer Resource // JSON Endpoint

CWST JSON Data API

Access 340 data points for CWST spanning 29 years (1997–Jan 21, 2026). Optimized JSON format (49.8 KB).

GET /api/tickers/CWST/json● 200 OK (Live)
{
  "symbol": "CWST",
  "timestamp": "2026-01-21T19:36:35.515Z",
  "price": 105.775,
  "change_24h": 1.9223357101561038,
  "history_sample": [
    {
      "date": "1997-11-01",
      "open": 22,
      "high": 22.88,
      "low": 19,
      "close": 20.25,
      "volume": 1922700
    },
    {
      "date": "1997-12-01",
      "open": 20,
      "high": 26.38,
      "low": 19.38,
      "close": 26.38,
      "volume": 1178300
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CWST
🛡️

Need to archive this data?

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