🗄️Developer Resource // JSON Endpoint
FDFF JSON Data API
Access 151 data points for FDFF spanning 3 years (2023–Apr 22, 2026). Optimized JSON format (22.1 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 FDFF historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/FDFF/json● 200 OK (Live)Tired of exporting to Excel? Track FDFF and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "FDFF",
"timestamp": "2026-04-22T17:55:10.481Z",
"price": 34.33,
"change_24h": -0.31939605110336655,
"history_sample": [
{
"date": "2023-06-12",
"open": 25.06,
"high": 25.69,
"low": 25.03,
"close": 25.5,
"volume": 52900
},
{
"date": "2023-06-19",
"open": 25.32,
"high": 25.35,
"low": 24.92,
"close": 25.01,
"volume": 45100
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import FDFF🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync FDFF.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)