🗄️Developer Resource // JSON Endpoint

CELC JSON Data API

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

Access 463 data points for CELC spanning 9 years (2017–Jul 24, 2026). Optimized JSON format (67.8 KB).

Route this JSON into your sovereign workspace — command the Terminal.
Endpoint-first sovereignty: no shared warehouse of your raw ledger.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "CELC",
  "timestamp": "2026-07-24T21:34:51.863Z",
  "price": 82.62,
  "change_24h": -6.474983020149422,
  "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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal