🗄️Developer Resource // JSON Endpoint

CLSC JSON Data API

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

Access 130 data points for CLSC spanning 3 years (2021–Jan 1, 2024). Optimized JSON format (19.0 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 CLSC historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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

Start Free — Local First
{
  "symbol": "CLSC",
  "timestamp": "2026-07-24T21:36:46.215Z",
  "price": 19.275,
  "change_24h": -0.1554001554001613,
  "history_sample": [
    {
      "date": "2021-07-12",
      "open": 25.05,
      "high": 25.2,
      "low": 24.46,
      "close": 24.46,
      "volume": 5943564
    },
    {
      "date": "2021-07-19",
      "open": 23.99,
      "high": 25.3,
      "low": 23.99,
      "close": 25.28,
      "volume": 155533
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CLSC
🛡️

Need to archive this data?

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