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🗄️Developer Resource // JSON Endpoint

AMKR JSON Data API

Access 334 data points for AMKR spanning 28 years (1998–Jan 21, 2026). Optimized JSON format (48.9 KB).

GET /api/tickers/AMKR/json● 200 OK (Live)
{
  "symbol": "AMKR",
  "timestamp": "2026-01-21T23:48:30.746Z",
  "price": 53.46,
  "change_24h": 8.990825688073402,
  "history_sample": [
    {
      "date": "1998-05-01",
      "open": 12.38,
      "high": 14,
      "low": 9,
      "close": 10.38,
      "volume": 54329500
    },
    {
      "date": "1998-06-01",
      "open": 10.19,
      "high": 10.38,
      "low": 7,
      "close": 9.34,
      "volume": 19616300
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import AMKR
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync AMKR.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)