🗄️Developer Resource // JSON Endpoint
DSU JSON Data API
Access 338 data points for DSU spanning 29 years (1998–Apr 22, 2026). Optimized JSON format (49.5 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 DSU historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/DSU/json● 200 OK (Live)Tired of exporting to Excel? Track DSU and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "DSU",
"timestamp": "2026-04-22T19:18:04.412Z",
"price": 9.851,
"change_24h": 0.11178861788618913,
"history_sample": [
{
"date": "1998-04-01",
"open": 30.38,
"high": 31.31,
"low": 29.81,
"close": 30.75,
"volume": 435532
},
{
"date": "1998-05-01",
"open": 30.56,
"high": 31.13,
"low": 29.81,
"close": 30.38,
"volume": 316667
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import DSU🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync DSU.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)