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🗄️Developer Resource // JSON Endpoint

COPP JSON Data API

Access 471 data points for COPP spanning 2 years (2024–Jan 21, 2026). Optimized JSON format (69.0 KB).

GET /api/tickers/COPP/json● 200 OK (Live)
{
  "symbol": "COPP",
  "timestamp": "2026-01-22T01:45:08.492Z",
  "price": 39.93,
  "change_24h": 1.551373346897252,
  "history_sample": [
    {
      "date": "2024-03-06",
      "open": 20.13,
      "high": 20.32,
      "low": 20.11,
      "close": 20.15,
      "volume": 43200
    },
    {
      "date": "2024-03-07",
      "open": 20.58,
      "high": 20.89,
      "low": 20.58,
      "close": 20.67,
      "volume": 25900
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import COPP
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync COPP.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)