🗄️Developer Resource // JSON Endpoint
AMPH JSON Data API
Access 143 data points for AMPH spanning 12 years (2014–Apr 22, 2026). Optimized JSON format (20.9 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 AMPH historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/AMPH/json● 200 OK (Live)Tired of exporting to Excel? Track AMPH and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "AMPH",
"timestamp": "2026-04-22T14:10:34.274Z",
"price": 21.36,
"change_24h": 0.7072135785007005,
"history_sample": [
{
"date": "2014-07-01",
"open": 9.9,
"high": 10.39,
"low": 8.32,
"close": 8.88,
"volume": 2807100
},
{
"date": "2014-08-01",
"open": 8.84,
"high": 12.26,
"low": 8.71,
"close": 12.09,
"volume": 2325200
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import AMPH🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync AMPH.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)