🗄️Developer Resource // JSON Endpoint

CLBK JSON Data API

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

Access 428 data points for CLBK spanning 9 years (2018–Jun 24, 2026). Optimized JSON format (62.7 KB).

Local-first charts from this JSON — open the Terminal.
Parse and visualize without shipping raw ledgers to a vendor database.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "CLBK",
  "timestamp": "2026-06-25T00:17:27.315Z",
  "price": 19.85,
  "change_24h": 0.15136226034309352,
  "history_sample": [
    {
      "date": "2018-04-23",
      "open": 15.4,
      "high": 15.83,
      "low": 15.35,
      "close": 15.68,
      "volume": 4536300
    },
    {
      "date": "2018-04-30",
      "open": 15.68,
      "high": 15.69,
      "low": 15.35,
      "close": 15.5,
      "volume": 2746000
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CLBK
🛡️

Need to archive this data?

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