🗄️Developer Resource // JSON Endpoint

CLS JSON Data API

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

Access 338 data points for CLS spanning 29 years (1998–Jul 24, 2026). Optimized JSON format (49.5 KB).

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Download as CSV

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

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

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{
  "symbol": "CLS",
  "timestamp": "2026-07-24T21:36:49.866Z",
  "price": 305.28,
  "change_24h": -8.803584764749822,
  "history_sample": [
    {
      "date": "1998-07-01",
      "open": 9.47,
      "high": 12.19,
      "low": 8.94,
      "close": 10.84,
      "volume": 11189200
    },
    {
      "date": "1998-08-01",
      "open": 10.72,
      "high": 10.72,
      "low": 6.75,
      "close": 6.78,
      "volume": 6336400
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CLS
🛡️

Need to archive this data?

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