🗄️Developer Resource // JSON Endpoint
CYCN JSON Data API
Access 373 data points for CYCN spanning 8 years (2019–Apr 29, 2026). Optimized JSON format (54.6 KB).
Route this JSON into your sovereign workspace — command the Terminal.
Endpoint-first sovereignty: no shared warehouse of your raw ledger.
Download as CSV
Prefer CSV format? Download CYCN historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/CYCN/json● 200 OK (Live)Tired of exporting to Excel? Track CYCN and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "CYCN",
"timestamp": "2026-04-29T19:09:52.097Z",
"price": 3.335,
"change_24h": 9.70394736842105,
"history_sample": [
{
"date": "2019-03-18",
"open": 250,
"high": 289.92,
"low": 250,
"close": 289.92,
"volume": 490
},
{
"date": "2019-03-25",
"open": 303.8,
"high": 420.6,
"low": 303.8,
"close": 420.6,
"volume": 60
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import CYCN🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync CYCN.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)