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🗄️Developer Resource // JSON Endpoint

AMPG JSON Data API

Access 265 data points for AMPG spanning 6 years (2021–Jan 20, 2026). Optimized JSON format (38.8 KB).

GET /api/tickers/AMPG/json● 200 OK (Live)
{
  "symbol": "AMPG",
  "timestamp": "2026-01-22T00:23:24.674Z",
  "price": 3.64,
  "change_24h": 3.4090909090909123,
  "history_sample": [
    {
      "date": "2021-01-04",
      "open": 9,
      "high": 9.88,
      "low": 8.3,
      "close": 8.8,
      "volume": 25355
    },
    {
      "date": "2021-01-11",
      "open": 8.48,
      "high": 9.8,
      "low": 7.06,
      "close": 8.6,
      "volume": 91215
    }
  ]
}
💻

Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import AMPG
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync AMPG.json updates to your private Google Drive for backtesting and compliance.

Enable Sovereign Sync

Includes 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)