🗄️Developer Resource // JSON Endpoint

AMSC JSON Data API

Absolute endpoints (copy‑paste)
JSON:https://www.pocketportfolio.app/api/tickers/AMSC/json?range=max
CSV:https://www.pocketportfolio.app/api/tickers/AMSC/csv?range=max

Access 416 data points for AMSC spanning 35 years (1992–Jul 24, 2026). Optimized JSON format (60.9 KB).

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Download as CSV

Prefer CSV format? Download AMSC historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

GET /api/tickers/AMSC/json● 200 OK (Live)

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{
  "symbol": "AMSC",
  "timestamp": "2026-07-24T23:19:22.003Z",
  "price": 30.52,
  "change_24h": -7.5151515151515165,
  "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
    }
  ]
}
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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 AMSC
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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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal