J-Quants: JPX Stock Market Data

Access Tokyo Stock Exchange (TSE) listed stock data via the official J-Quants API. Search stocks, get daily OHLCV prices, financial summaries, and earnings announcement calendar.

Important: This tool is for personal use only. Data redistribution is prohibited by J-Quants Terms of Service. https://jpx-jquants.com/termsofservice

Use Cases

• Search for TSE-listed stocks by code or company name
• Get daily OHLCV price data for any stock
• Retrieve financial summaries (revenue, profit, EPS, ROE)
• Check upcoming earnings announcement dates
• Compare financial metrics across companies

Commands

Search stocks

# By stock code
jquants-mcp search 7203

# By company name (Japanese)
jquants-mcp search トヨタ

# JSON output
jquants-mcp search ソニー --json-output

Get stock prices

# Default: last 30 days
jquants-mcp price 7203

# With date range
jquants-mcp price 7203 --start-date 2024-01-01 --end-date 2024-12-31

# JSON output
jquants-mcp price 7203 --json-output

Get financial data

jquants-mcp financials 7203
jquants-mcp financials 6758 --json-output

Get earnings calendar

# Default: next 30 days
jquants-mcp calendar

# With date range
jquants-mcp calendar --start-date 2024-04-01 --end-date 2024-06-30

Test connectivity

jquants-mcp test

Workflow

1. jquants-mcp search <company> → find stock code
2. jquants-mcp price <code> → get price history
3. jquants-mcp financials <code> → get financial data
4. jquants-mcp calendar → check earnings dates

Setup

• Requires JQUANTS_MAIL_ADDRESS and JQUANTS_PASSWORD environment variables
• Free account registration: https://jpx-jquants.com/
• Python package: pip install jquants-mcp or uv tool install jquants-mcp

Terms of Service

By using this tool, you agree to the J-Quants Terms of Service. Data is for personal use only — redistribution is prohibited.