🗄️Developer Resource // JSON Endpoint
GFI JSON Data API
Access 166 data points for GFI spanning 42 years (1984–Feb 6, 2026). Optimized JSON format (24.3 KB).
Download as CSV
Prefer CSV format? Download GFI historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
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Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import GFI🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync GFI.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)