🗄️Developer Resource // JSON Endpoint

CSB JSON Data API

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

Access 133 data points for CSB spanning 11 years (2015–Jul 24, 2026). Optimized JSON format (19.5 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 CSB historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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

Start Free — Local First
{
  "symbol": "CSB",
  "timestamp": "2026-07-24T23:18:58.471Z",
  "price": 66.877,
  "change_24h": 0.2804018593492242,
  "history_sample": [
    {
      "date": "2015-08-01",
      "open": 34.28,
      "high": 34.63,
      "low": 31.89,
      "close": 33.09,
      "volume": 3400
    },
    {
      "date": "2015-09-01",
      "open": 32.68,
      "high": 33,
      "low": 31.55,
      "close": 31.78,
      "volume": 12200
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CSB
🛡️

Need to archive this data?

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