Market Data

jquants-mcp

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jquants-mcp provides command-line access to Tokyo Stock Exchange data via the official J-Quants API.

jquants-mcp provides command-line access to Tokyo Stock Exchange data via the official J-Quants API. It lets users search TSE-listed stocks by code or Japanese company name, retrieve daily OHLCV time series with configurable date ranges and JSON output, fetch financial summaries (revenue, profit, EPS, ROE), compare metrics across companies, and view an earnings announcement calendar. Typical use cases include programmatic backtesting, financial analysis, reporting, portfolio monitoring, and preparing earnings workflows. Key features: stock search, price history with date filters, financials endpoint, earnings calendar queries, connectivity test, and machine-readable JSON output for integration with data pipelines. Setup requires JQUANTS_MAIL_ADDRESS and JQUANTS_PASSWORD environment variables and pip install jquants-mcp. Note: data is for personal use only; redistribution is prohibited by J-Quants Terms of Service.

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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

jquants-mcp search <company> → find stock code
jquants-mcp price <code> → get price history
jquants-mcp financials <code> → get financial data
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.

最適合用於

何時使用

01 · 會前準備

準備決策簡報

在投資委員會開會前，把零散證據整理成結構化的論據。

02 · 團隊協作

統一交接標準

讓分析師、投資組合經理與 Agent 產出一致的研究結果。

03 · 即時更新

更新投資邏輯

出現新催化劑、KPI 發布或財報結果後，更新情境假設。

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