🗄️Developer Resource // JSON Endpoint

ALTO JSON Data API

Absolute endpoints (copy‑paste)
JSON:https://www.pocketportfolio.app/api/tickers/ALTO/json?range=max
CSV:https://www.pocketportfolio.app/api/tickers/ALTO/csv?range=max

Access 257 data points for ALTO spanning 22 years (2005–Jul 24, 2026). Optimized JSON format (37.6 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 ALTO historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

GET /api/tickers/ALTO/json● 200 OK (Live)

Tired of exporting to Excel? Track ALTO and analyze your portfolio locally with Pocket Portfolio.

Start Free — Local First
{
  "symbol": "ALTO",
  "timestamp": "2026-07-24T21:39:56.330Z",
  "price": 4.64,
  "change_24h": -6.639839034205234,
  "history_sample": [
    {
      "date": "2005-04-01",
      "open": 1050,
      "high": 1417.5,
      "low": 741.3,
      "close": 910.35,
      "volume": 5751
    },
    {
      "date": "2005-05-01",
      "open": 910.35,
      "high": 1155,
      "low": 892.5,
      "close": 1148.7,
      "volume": 3667
    }
  ]
}
💻

Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import ALTO
🛡️

Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync ALTO.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)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal