🗄️Developer Resource // JSON Endpoint
CPT JSON Data API
Absolute endpoints (copy‑paste)
JSON:
https://www.pocketportfolio.app/api/tickers/CPT/json?range=maxCSV:
https://www.pocketportfolio.app/api/tickers/CPT/csv?range=maxAccess 396 data points for CPT spanning 33 years (1993–Jun 5, 2026). Optimized JSON format (58.0 KB).
Chart where your browser is the vault — wire this endpoint to the Terminal.
Minimal cloud, maximal local control — start from this stateless slice.
Download as CSV
Prefer CSV format? Download CPT historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.
GET /api/tickers/CPT/json● 200 OK (Live)Tired of exporting to Excel? Track CPT and analyze your portfolio locally with Pocket Portfolio.
Start Free — Local First{
"symbol": "CPT",
"timestamp": "2026-06-07T05:06:21.620Z",
"price": 112.6,
"change_24h": 0.5267386840460577,
"history_sample": [
{
"date": "1993-08-01",
"open": 22.88,
"high": 24.13,
"low": 22,
"close": 24,
"volume": 1391200
},
{
"date": "1993-09-01",
"open": 24.13,
"high": 27.5,
"low": 24.13,
"close": 27.38,
"volume": 917400
}
]
}💻
Import via CLI
Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.
npx pocket-portfolio --import CPT🛡️
Need to archive this data?
Don't rely on ephemeral endpoints. Automatically sync CPT.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)