🗄️Developer Resource // JSON Endpoint
IECS JSON Data API
Access 233 data points for IECS spanning 5 years (2018–Aug 29, 2022). Optimized JSON format (34.1 KB).
Programmable Sovereign Interface — chart this JSON in the Terminal.
Local-first analysis. Stateless data. Your browser is the vault.
Download as CSV
Prefer CSV format? Download IECS historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/IECS/json● 200 OK (Live)Tired of exporting to Excel? Track IECS and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "IECS",
"timestamp": "2026-04-22T17:55:16.518Z",
"price": 34.72,
"change_24h": 0.11534025374855578,
"history_sample": [
{
"date": "2018-03-19",
"open": 24.56,
"high": 24.56,
"low": 24.51,
"close": 24.56,
"volume": 207
},
{
"date": "2018-03-26",
"open": 24.37,
"high": 24.51,
"low": 24.37,
"close": 24.51,
"volume": 1077
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import IECS🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync IECS.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)