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日本金融数据资源

一个汇集日本金融和经济数据的开放数据源、API、Python库和MCP工具的精选列表，适用于开发人员、研究人员和分析师。

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在 GitHub 查看 ajtgjmdjp/awesome-japan-finance-data

使用说明

Awesome Japan Finance Data

A curated list of open data sources, APIs, Python libraries, and MCP tools for Japanese financial and economic data.

Japan has rich public financial data from government agencies and regulators, but finding and accessing these sources can be challenging. This list aims to be a comprehensive guide for developers, researchers, and analysts working with Japanese financial data.

Languages: English | 日本語

Contents

Corporate Disclosures

EDINET (Electronic Disclosure for Investors' NETwork)

Japan's official electronic disclosure system operated by the Financial Services Agency (FSA). Equivalent to SEC EDGAR in the US.
URL https://disclosure.edinet-fsa.go.jp/
Data Annual/quarterly reports, securities reports (有価証券報告書), XBRL financial statements
Coverage 5,000+ listed companies + funds
Auth API key (free registration)
Format REST API (JSON), XBRL, PDF
Rate Limit Not officially published
Terms Free for commercial & non-commercial use with attribution. Licensed under PDL1.0. Scraping prohibited; API access allowed.

Python Libraries:

  • edinet-mcp - XBRL parser + MCP server with 161 normalized labels, 26 financial metrics, multi-company screening.
  • edinet_xbrl - XBRL file downloader and parser. (139 stars)
  • edinet-tools - Python library for Japanese corporate disclosure data — 42 EDINET document types as typed Python. (51 stars)
  • edinet2dataset - Dataset construction tool using EDINET. (40 stars)
  • xbrl-facts - Rust iXBRL engine for SEC + EDINET with byte-range provenance and verifiable evidence receipts. Apache-2.0. (by this list's maintainer)

API Reference: https://disclosure.edinet-fsa.go.jp/api/v2

EDINET DB

Structured financial data platform built on EDINET filings. Provides analysis-ready APIs and MCP tools for Japanese corporate disclosures.
URL edinetdb.jp (JA) / edinetdb.com (EN)
Data 90+ financial metrics, full-text disclosure blocks (MD&A, risks, ESG), large shareholding reports, TDNet earnings, financial health scores, industry benchmarks
Coverage ~3,850 listed companies, FY2014–present (6+ years of time series)
Auth API Key (free registration)
Format REST API (JSON), MCP (Model Context Protocol)
Rate Limit Free: 100/day, Academy: 1,000/day, Pro: 1,000/day, Business: 10,000/day
Terms Free tier available. Academy plan free for ac.jp researchers. Commercial use on paid plans.

MCP Server: MCP Guide — 17 tools for Claude, ChatGPT, Codex, and any MCP client.

API Reference: https://edinetdb.jp/docs/api

TDNET (Timely Disclosure Network)

Real-time corporate disclosure system for listed companies on Japanese exchanges.
URL https://www.release.tdnet.info/inbs/I_main_00.html
Data Earnings reports, M&A announcements, dividend changes, share buybacks
Coverage All TSE-listed companies
Auth None (public HTML)
Format HTML (no official API)
Terms Public information, no official API terms

Python Libraries:

BuffettCode

Commercial API for Japanese corporate financial data.
URL https://www.buffett-code.com/
Data Financial statements, KPIs, peer comparisons
Auth API key (paid plans)
Format REST API (JSON)

Tools:

Stock Market Data

J-Quants API (JPX Official)

Official stock data API from Japan Exchange Group (JPX). The primary source for TSE stock prices.
URL https://jpx-jquants.com/
Data Daily OHLCV, financial summaries, earnings calendar, index data
Coverage All TSE-listed stocks
Auth API key (free registration)
Pricing Free (5 req/min, 2yr data with 12-week delay) / Light ¥1,650/mo / Standard ¥3,300/mo / Premium ¥16,500/mo
Format REST API (JSON)

Python Libraries:

Important Terms of Use: J-Quants API is limited to individual personal use. Corporate use, third-party data distribution, and building apps that serve data are prohibited regardless of profit motive. See 利用規約.

Yahoo Finance (via yfinance)

Global stock data including TSE-listed stocks. Use .T suffix for Japanese tickers (e.g., 7203.T for Toyota).
URL https://finance.yahoo.co.jp/
Data Daily/intraday OHLCV, dividends, splits, company info
Coverage TSE stocks (via .T suffix)
Auth None
Format Python library (scraping-based)

Python Libraries:

  • yfinance - Download market data from Yahoo Finance. Apache-2.0. (25,000+ stars)

Note: yfinance is based on web scraping. Yahoo may rate-limit or block access. Check Yahoo's terms before commercial use.

Stooq

Free historical stock data including Japanese stocks.
URL https://stooq.com/
Data Historical OHLCV
Coverage Japanese stocks (.JP suffix)
Auth None
Format CSV download

Python Libraries:

  • Access via pandas-datareader with data_source='stooq'

Government Statistics

e-Stat (政府統計の総合窓口)

Japan's central portal for official government statistics from all ministries.
URL https://www.e-stat.go.jp/
Data Population, GDP, CPI, labor, trade, regional data
Coverage 3,000+ statistical tables from all ministries
Auth API key (free registration at https://www.e-stat.go.jp/api/)
Format REST API (JSON/XML)
Rate Limit 1 request/second
Terms Government open data, free to use

Python Libraries:

  • estat-mcp - MCP server with search, metadata, data retrieval, and Polars export.

API Reference: https://www.e-stat.go.jp/api/api-info

FSA (Financial Services Agency)

Japanese financial regulator providing regulatory data and RSS feeds.
URL https://www.fsa.go.jp/
Data Regulatory announcements, enforcement actions
Auth None
Format RSS, HTML

RSS Feed: https://www.fsa.go.jp/en/rss.html

Central Bank Data

Bank of Japan (BOJ) Statistical Data

Time-series statistics from Japan's central bank, available as flat file downloads.
URL https://www.stat-search.boj.or.jp/
Data CGPI (price indices), TANKAN (business surveys), Flow of Funds, Balance of Payments, BIS statistics, interest rates, money stock
Coverage 16 dataset categories
Auth None (public data)
Format CSV in ZIP files (Shift_JIS encoding)
Terms BOJ is a special corporation, not a government agency. Data is publicly available.

Python Libraries:

  • BOJ - R package for BOJ data. (CRAN)

Data Catalog: https://www.stat-search.boj.or.jp/info/dload_en.html

FXMacroData

Macro and central-bank API with dedicated Japan coverage (JPY macro announcements, Bank of Japan event calendar) alongside other major currencies.
URL https://fxmacrodata.com/api-data-docs
Data JPY macro announcements, BOJ event calendar, release schedules, FX sessions
Auth API key for protected endpoints; some endpoints free without a key
Format REST API (JSON), OpenAPI, MCP

Financial News

Free RSS Feeds (Verified Working)

Source URL Language Content
Yahoo! News Japan - Business https://news.yahoo.co.jp/rss/topics/business.xml Japanese Business/economy headlines
Reuters Japan - Business https://assets.wor.jp/rss/rdf/reuters/business.rdf Japanese Financial/market journalism
NHK - Economy https://www3.nhk.or.jp/rss/news/cat5.xml Japanese CPI, BOJ, trade data coverage
Toyokeizai Online https://toyokeizai.net/list/feed/rss Japanese Business analysis, corporate news
Nikkei Asia https://asia.nikkei.com/rss English Asian business (inc. Japan)

Note: Nikkei (nikkei.com) has discontinued its Japanese RSS feeds. Bloomberg Japan has no public RSS or API.

Commercial News APIs

Provider Pricing Notes
Nikkei Enterprise only No public API. Scraping prohibited.
Bloomberg Enterprise ($20,000+/yr) B-PIPE terminal API
QUICK Enterprise (negotiated) Institutional data provider
Reuters/LSEG Enterprise ($10,000+/yr) Reuters Connect
finlight Free tier, paid tiers above REST/WebSocket/MCP financial news API with Japanese- and Korean-language source coverage; entity resolution (tickers, ISIN).

Benchmarks & Datasets

  • jfinqa - Japanese Financial Reasoning QA Benchmark. 1,000 questions from 68 companies' financial statements.
  • EDINET-Bench - Evaluating LLM performance on Japanese financial tasks. (36 stars)
  • JPXTokyoStockExchangePrediction - JPX stock prediction competition datasets. (58 stars)

AI Agents

Autonomous AI agents for Japanese financial research. These go beyond simple API wrappers — they plan, fetch data from multiple sources, validate, and produce structured analysis reports.

  • dexter-jp - Autonomous financial research agent for Japanese stocks. Uses EDINET DB + J-Quants. Supports multiple LLMs (OpenAI, Anthropic, Google, Ollama). Built-in DCF valuation, company screening (100+ metrics), and securities report reading.

MCP Tools

MCP (Model Context Protocol) enables AI assistants to access external data sources. These MCP servers provide structured access to Japanese financial data:

Tool Data Source Stars Auth Required
edinet-mcp EDINET (corporate disclosures) EDINET API key
estat-mcp e-Stat (government statistics) e-Stat API key
tdnet-disclosure-mcp TDNET (timely disclosures) None
stockprice-mcp Stock prices & FX (yfinance) None
buffett-code-mcp-server BuffettCode (commercial) BuffettCode API key

Combined stack: edinet-mcp (filings) + tdnet-disclosure-mcp (disclosures) + estat-mcp (macro stats) + stockprice-mcp (prices) covers the major categories of Japanese financial data.

Related Awesome Lists

Contributing

Contributions welcome! Please read the contributing guidelines first.

If you know of a Japanese financial data source, API, or tool that's not listed here, please open an issue or submit a pull request.

License

This list is released under CC0. The linked projects have their own licenses.

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