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🗄️Developer Resource // JSON Endpoint

GRNQ JSON Data API

Access 404 data points for GRNQ spanning 8 years (2018–Mar 2, 2026). Optimized JSON format (59.2 KB).

Download as CSV

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

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

Tired of exporting to Excel? Track GRNQ and analyze your portfolio locally with Pocket Portfolio.

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{
  "symbol": "GRNQ",
  "timestamp": "2026-03-09T07:07:11.826Z",
  "price": 1.74,
  "change_24h": -0.005746796161139532,
  "history_sample": [
    {
      "date": "2018-06-11",
      "open": 118,
      "high": 230,
      "low": 112.3,
      "close": 112.3,
      "volume": 590
    },
    {
      "date": "2018-06-18",
      "open": 112.3,
      "high": 121.19,
      "low": 111.6,
      "close": 120.55,
      "volume": 270
    }
  ]
}
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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 GRNQ
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Need to archive this data?

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