🗄️Developer Resource // JSON Endpoint
HYDB JSON Data API
Access 460 data points for HYDB spanning 9 years (2017–Apr 22, 2026). Optimized JSON format (67.4 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 HYDB historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/HYDB/json● 200 OK (Live)Tired of exporting to Excel? Track HYDB and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "HYDB",
"timestamp": "2026-04-22T20:49:28.801Z",
"price": 47.12,
"change_24h": 0.1913672124175979,
"history_sample": [
{
"date": "2017-07-10",
"open": 50.5,
"high": 50.5,
"low": 50.5,
"close": 50.5,
"volume": 100
},
{
"date": "2017-07-17",
"open": 50.5,
"high": 50.67,
"low": 50.5,
"close": 50.67,
"volume": 2300
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import HYDB🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync HYDB.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)