🗄️Developer Resource // JSON Endpoint
CMCO JSON Data API
Access 363 data points for CMCO spanning 31 years (1996–Apr 22, 2026). Optimized JSON format (53.2 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 CMCO historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/CMCO/json● 200 OK (Live)Tired of exporting to Excel? Track CMCO and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "CMCO",
"timestamp": "2026-04-22T17:56:10.112Z",
"price": 15.55,
"change_24h": -0.5754475703324798,
"history_sample": [
{
"date": "1996-03-01",
"open": 15.5,
"high": 16.63,
"low": 15.25,
"close": 16,
"volume": 3019800
},
{
"date": "1996-04-01",
"open": 15.75,
"high": 16.25,
"low": 15.38,
"close": 15.88,
"volume": 831700
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import CMCO🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync CMCO.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)