🗄️Developer Resource // JSON Endpoint
COPP JSON Data API
Access 113 data points for COPP spanning 3 years (2024–Apr 22, 2026). Optimized JSON format (16.6 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 COPP historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/COPP/json● 200 OK (Live)Tired of exporting to Excel? Track COPP and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "COPP",
"timestamp": "2026-04-22T17:55:59.571Z",
"price": 40.915,
"change_24h": 3.268551236749121,
"history_sample": [
{
"date": "2024-03-04",
"open": 20.13,
"high": 20.89,
"low": 20.11,
"close": 20.57,
"volume": 83900
},
{
"date": "2024-03-11",
"open": 20.73,
"high": 23,
"low": 20.6,
"close": 22.93,
"volume": 190800
}
]
}💻
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 SyncIncludes 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)