🗄️Developer Resource // JSON Endpoint

CYH JSON Data API

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

Access 314 data points for CYH spanning 27 years (2000–Jul 24, 2026). Optimized JSON format (46.0 KB).

Programmable Sovereign Interface — chart this JSON in the Terminal.
Local-first analysis. Stateless data. Your browser is the vault.

Download as CSV

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

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

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

Start Free — Local First
{
  "symbol": "CYH",
  "timestamp": "2026-07-26T12:53:08.592Z",
  "price": 2.73,
  "change_24h": -1.7985611510791304,
  "history_sample": [
    {
      "date": "2000-07-01",
      "open": 13.22,
      "high": 16.12,
      "low": 12.91,
      "close": 14.26,
      "volume": 4166151
    },
    {
      "date": "2000-08-01",
      "open": 14.26,
      "high": 20.87,
      "low": 13.64,
      "close": 19.63,
      "volume": 4615666
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import CYH
🛡️

Need to archive this data?

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