🗄️Developer Resource // JSON Endpoint
CNOB JSON Data API
Access 385 data points for CNOB spanning 32 years (1994–Apr 22, 2026). Optimized JSON format (56.4 KB).
Local-first charts from this JSON — open the Terminal.
Parse and visualize without shipping raw ledgers to a vendor database.
Download as CSV
Prefer CSV format? Download CNOB historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/CNOB/json● 200 OK (Live)Tired of exporting to Excel? Track CNOB and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "CNOB",
"timestamp": "2026-04-22T17:56:07.276Z",
"price": 27.93,
"change_24h": -0.4987531172069845,
"history_sample": [
{
"date": "1994-05-01",
"open": 4.71,
"high": 5.02,
"low": 4.68,
"close": 5.02,
"volume": 29548
},
{
"date": "1994-06-01",
"open": 5.02,
"high": 5.02,
"low": 4.68,
"close": 4.73,
"volume": 88044
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import CNOB🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync CNOB.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)