Japan Listed Company Disclosure Monitoring SOP (17 Channels)
#fintech#disclosure#listed-company
On this page
- Three-Tier Structure
- Tier 1: Official Sources (Primary · Highest Authority)
- Tier 2: Aggregators (Secondary · Ease of Use)
- Tier 3: Overseas Channels (Tertiary · Offshore Reference)
- Time-Series SOP (Major Disclosure Day)
- T-1 (Day Before)
- Day of (T=0)
- T+1 to T+3
- T+7 to T+30
- File Storage Recommendations
- Applicable Scenarios
- Notes
- Related
- Related
[!info] Core insight A three-tier monitoring channel map — official + aggregator + overseas — for real-time monitoring of Japan listed company timely disclosures (The 5 -Stage Flow of Third-Party Allotment Capital Raises by Japanese Listed Companies · earnings · acquisitions · IR, etc.).
With appropriate channel selection, it is possible to efficiently cover supplementary information within minutes of a 15:00 announcement + next-day market sentiment tracking.
Three-Tier Structure
Tier 1: Official Sources (Primary · Highest Authority)
Reliability 100% · Same-day real-time
| # | Channel | URL search pattern | Purpose |
|---|---|---|---|
| 1 | TDnet Timely Disclosure Information Viewing Service | release.tdnet.info/inbs/I_main_00.html | JPX official · published immediately after 15:00 · stored 31 days |
| 2 | EDINET (FSA) | disclosure2.edinet-fsa.go.jp/ | Securities registration statements · interim reports · large shareholding reports |
| 3 | JPX listed company search | www2.jpx.co.jp/tseHpFront/JJK010010Action.do | Listing category · shares issued · basic information |
Tier 2: Aggregators (Secondary · Ease of Use)
Reliability 95% · Retail perspective · includes sentiment
| # | Channel | URL pattern | Features |
|---|---|---|---|
| 4 | Yahoo! Finance Japan timely disclosure | finance.yahoo.co.jp/quote/{code}.T/disclosure | Most used by retail investors · long history |
| 5 | Nikkei Company Information DIGITAL disclosure | nikkei.com/nkd/company/disclose/?scode={code} | Categorised articles, charter, shareholder meetings, etc. |
| 6 | Kabutan (株探) | kabutan.jp/stock/?code={code} | Retail news alerts · comment-board sentiment |
| 7 | Minkabu (みんかぶ) | minkabu.jp/stock/{code} | Buy/sell forecast ratio |
| 8 | Kaisha Shikiho Online | shikiho.toyokeizai.net/stocks/{code}/corporate | Qualitative assessment from Shikiho perspective |
| 9 | Buffett Code | buffett-code.com/company/{code}/ | Financial visualisation · earnings comparison |
| 10 | FISCO Corporate Information | web.fisco.jp/platform/companies/{code} | Japanese financial analysis specialist |
| 11 | Logmi Finance | finance.logmi.jp/companies/{id} | Transcripts of earnings presentations |
| 12 | Shareholder Benefits Guide (Daiwa IR) | yutai-guide.daiwair.co.jp/stock/detail/{code} | Valid only when benefits are issued |
| 13 | Ullet (large shareholding reports) | ullet.com/{code}/EDINET/ranking/stock | 5% rule specialist |
Tier 3: Overseas Channels (Tertiary · Offshore Reference)
Reliability 80% · English information · foreign investor perspective
| # | Channel | URL pattern |
|---|---|---|
| 14 | CNBC | cnbc.com/quotes/{code}.T-JP |
| 15 | Bloomberg Terminal / Web | bloomberg.com/quote/{code}:JP |
| 16 | Google Finance | google.com/finance/quote/{code}:TYO |
| 17 | Yahoo Finance (US version) | finance.yahoo.com/quote/{code}.T/ |
Time-Series SOP (Major Disclosure Day)
T-1 (Day Before)
- Create browser bookmark folder “{code} disclosure monitoring”
- Save 3 core links: TDnet + Yahoo! Japan timely disclosure + EDINET
- Organise advance information (allocation ratio · issue price, etc.)
Day of (T=0)
- Before market open 8:00: Check Yahoo! and Kabutan for overnight news
- **Before 15:00 **: Stand by on TDnet main page · prepare to refresh
- **After 15:00 **:
- Search TDnet by company code or name → save original PDF
- Cross-check advance information against announcement content (allocation ratio · price · purpose)
- **Same day before 17:00 **: Check EDINET for filings (whether an interim report has been submitted)
- Same-day evening: Sweep Yahoo · Kabutan · Minkabu comment-board sentiment
T+1 to T+3
- Monitor share price reaction (Japan secondary market)
- Overseas market reaction (Hong Kong · Singapore after-hours)
- Large shareholding report updates → check Ullet
T+7 to T+30
- Payment completion report
- Corporate registration amendment announcement
- Share price 30 -day VWAP trend
File Storage Recommendations
Items to save on disclosure day:
research/{date}_disclosure-tdnet-original.pdf— TDnet original documentresearch/{date}_disclosure-edinet-filing.pdf— EDINET filingresearch/{date}_price-reaction.md— Same-day · T+1 · T+3 price reaction record
Applicable Scenarios
- Tracking portfolio company disclosures: Third-party allotments · capital increases · mergers · earnings forecast revisions
- Obtaining competitor information: Earnings and strategy announcements from peers
- M&A due diligence: Past 5 -year disclosure history of acquisition candidates — see Japan tender offer process for connection to TOB regulation
- IR compliance: Pre-simulation before issuance announcements
- Large shareholding report monitoring: 5% rule specialist — Japan large shareholding disclosure
Notes
- TDnet stores only 31 days (paid search services required after that)
- EDINET contains submitted documents only (internal minutes etc. not included)
- Retail sentiment is subject to bias (Kabutan comment boards tend toward pessimism)
- Overseas market information has a lag (Japan time 15:00 → 1-3 hours until immediate overseas reflection)
Related
- The 5 -Stage Flow of Third-Party Allotment Capital Raises by Japanese Listed Companies — Process providing context before and after disclosures
- Japan Financial Regulation — Legal Framework for Tokens, Crypto Assets, and Payments — Payment Services Act · FIEA · Trust Business Act