🗄️Developer Resource // JSON Endpoint
GFF JSON Data API
Access 167 data points for GFF spanning 42 years (1984–Apr 22, 2026). Optimized JSON format (24.5 KB).
Chart where your browser is the vault — wire this endpoint to the Terminal.
Minimal cloud, maximal local control — start from this stateless slice.
Download as CSV
Prefer CSV format? Download GFF historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/GFF/json● 200 OK (Live)Tired of exporting to Excel? Track GFF and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "GFF",
"timestamp": "2026-04-22T20:50:43.632Z",
"price": 91.1,
"change_24h": 1.121101121101111,
"history_sample": [
{
"date": "1984-11-01",
"open": 1.82,
"high": 2.5,
"low": 1.7,
"close": 2.39,
"volume": 1153350
},
{
"date": "1985-02-01",
"open": 2.27,
"high": 2.27,
"low": 1.48,
"close": 1.59,
"volume": 4593380
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import GFF🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync GFF.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)