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🗄️Developer Resource // JSON Endpoint

AMSC JSON Data API

Access 410 data points for AMSC spanning 35 years (1992–Jan 21, 2026). Optimized JSON format (60.1 KB).

GET /api/tickers/AMSC/json● 200 OK (Live)
{
  "symbol": "AMSC",
  "timestamp": "2026-01-22T05:43:57.798Z",
  "price": 31.81,
  "change_24h": 2.0860077021822807,
  "history_sample": [
    {
      "date": "1992-01-01",
      "open": 136.67,
      "high": 176.67,
      "low": 124.17,
      "close": 143.33,
      "volume": 121575
    },
    {
      "date": "1992-02-01",
      "open": 150,
      "high": 188.33,
      "low": 143.33,
      "close": 148.33,
      "volume": 38040
    }
  ]
}
💻

Import via CLI

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

npx pocket-portfolio --import AMSC
🛡️

Need to archive this data?

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