🗄️Developer Resource // JSON Endpoint
CTMX JSON Data API
Absolute endpoints (copy‑paste)
JSON:
https://www.pocketportfolio.app/api/tickers/CTMX/json?range=maxCSV:
https://www.pocketportfolio.app/api/tickers/CTMX/csv?range=maxAccess 129 data points for CTMX spanning 11 years (2015–Jun 5, 2026). Optimized JSON format (18.9 KB).
Local-first charts from this JSON — open the Terminal.
Parse and visualize without shipping raw ledgers to a vendor database.
Download as CSV
Prefer CSV format? Download CTMX historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/CTMX/json● 200 OK (Live)Tired of exporting to Excel? Track CTMX and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "CTMX",
"timestamp": "2026-06-07T04:08:04.962Z",
"price": 3,
"change_24h": -5.660377358490571,
"history_sample": [
{
"date": "2015-11-01",
"open": 10.84,
"high": 20.49,
"low": 10.48,
"close": 19.21,
"volume": 776500
},
{
"date": "2015-12-01",
"open": 19.1,
"high": 24.68,
"low": 16.56,
"close": 20.87,
"volume": 3309100
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import CTMX🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync CTMX.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)