🗄️Developer Resource // JSON Endpoint

CLSM JSON Data API

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

Access 264 data points for CLSM spanning 6 years (2021–Jul 24, 2026). Optimized JSON format (38.7 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 CLSM historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

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

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

Start Free — Local First
{
  "symbol": "CLSM",
  "timestamp": "2026-07-24T21:38:21.215Z",
  "price": 26.3009,
  "change_24h": -0.35159905583529566,
  "history_sample": [
    {
      "date": "2021-07-12",
      "open": 25.16,
      "high": 25.24,
      "low": 24.65,
      "close": 24.65,
      "volume": 8611700
    },
    {
      "date": "2021-07-19",
      "open": 24.31,
      "high": 25.3,
      "low": 24.31,
      "close": 25.26,
      "volume": 176800
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CLSM
🛡️

Need to archive this data?

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