🗄️Developer Resource // JSON Endpoint
BACK JSON Data API
Access 377 data points for BACK spanning 8 years (2019–Apr 21, 2026). Optimized JSON format (55.2 KB).
Route this JSON into your sovereign workspace — command the Terminal.
Endpoint-first sovereignty: no shared warehouse of your raw ledger.
Download as CSV
Prefer CSV format? Download BACK historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/BACK/json● 200 OK (Live)Tired of exporting to Excel? Track BACK and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "BACK",
"timestamp": "2026-04-22T20:50:42.166Z",
"price": 0.061,
"change_24h": 8.928571428571425,
"history_sample": [
{
"date": "2019-02-11",
"open": 105,
"high": 123.3,
"low": 101.7,
"close": 114.6,
"volume": 8740
},
{
"date": "2019-02-18",
"open": 121.2,
"high": 123.3,
"low": 110.73,
"close": 120.9,
"volume": 4280
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import BACK🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync BACK.json updates to your private Google Drive for backtesting and compliance.
Enable Sovereign SyncIncludes 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)