Japan Listed Company Disclosure Monitoring SOP (17 Channels)

[!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

Tier 2: Aggregators (Secondary · Ease of Use)

Reliability 95% · Retail perspective · includes sentiment

Tier 3: Overseas Channels (Tertiary · Offshore Reference)

Reliability 80% · English information · foreign investor perspective

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)

1. Before market open 8:00: Check Yahoo! and Kabutan for overnight news
2. **Before 15:00 **: Stand by on TDnet main page · prepare to refresh
3. **After 15:00 **:
   • Search TDnet by company code or name → save original PDF
   • Cross-check advance information against announcement content (allocation ratio · price · purpose)
4. **Same day before 17:00 **: Check EDINET for filings (whether an interim report has been submitted)
5. 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 document
• research/{date}_disclosure-edinet-filing.pdf — EDINET filing
• research/{date}_price-reaction.md — Same-day · T+1 · T+3 price reaction record

Applicable Scenarios

1. Tracking portfolio company disclosures: Third-party allotments · capital increases · mergers · earnings forecast revisions
2. Obtaining competitor information: Earnings and strategy announcements from peers
3. M&A due diligence: Past 5 -year disclosure history of acquisition candidates — see Japan tender offer process for connection to TOB regulation
4. IR compliance: Pre-simulation before issuance announcements
5. Large shareholding report monitoring: 5% rule specialist — Japan large shareholding disclosure

Notes

1. TDnet stores only 31 days (paid search services required after that)
2. EDINET contains submitted documents only (internal minutes etc. not included)
3. Retail sentiment is subject to bias (Kabutan comment boards tend toward pessimism)
4. 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

Related

• Wiki Index
• The 5 -Stage Flow of Third-Party Allotment Capital Raises by Japanese Listed Companies
• Japan Financial Regulation — Legal Framework for Tokens, Crypto Assets, and Payments