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🗄️Developer Resource // JSON Endpoint

CELC JSON Data API

Access 437 data points for CELC spanning 9 years (2017–Jan 21, 2026). Optimized JSON format (64.0 KB).

GET /api/tickers/CELC/json● 200 OK (Live)
{
  "symbol": "CELC",
  "timestamp": "2026-01-22T02:03:55.610Z",
  "price": 107.16,
  "change_24h": 1.6794762311414708,
  "history_sample": [
    {
      "date": "2017-09-18",
      "open": 12.6,
      "high": 15.55,
      "low": 11.1,
      "close": 13.63,
      "volume": 1461000
    },
    {
      "date": "2017-09-25",
      "open": 13.82,
      "high": 14.55,
      "low": 11.14,
      "close": 12.24,
      "volume": 451100
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CELC
🛡️

Need to archive this data?

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