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🗄️Developer Resource // JSON Endpoint

GAINZ JSON Data API

Access 235 data points for GAINZ spanning 5 years (2021–Feb 9, 2026). Optimized JSON format (34.4 KB).

Download as CSV

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

GET /api/tickers/GAINZ/json● 200 OK (Live)
{
  "symbol": "GAINZ",
  "timestamp": "2026-02-17T12:16:11.960Z",
  "price": 24.083,
  "change_24h": 0.03322949117341275,
  "history_sample": [
    {
      "date": "2021-08-16",
      "open": 24.78,
      "high": 25.95,
      "low": 24.24,
      "close": 25.3,
      "volume": 287300
    },
    {
      "date": "2021-08-23",
      "open": 25.35,
      "high": 25.48,
      "low": 25.16,
      "close": 25.4,
      "volume": 267800
    }
  ]
}
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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 GAINZ
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Need to archive this data?

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